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Resistors and Capacitors
Low inductance capacitors from AVXAVX Corporation has introduced its FFVS range of medium power capacitors which feature very high frequency operation and the lowest stray inductance of any product on the market. Suitable for applications such as very high frequency ripple (>100kHz) DC filtering for induction heating, the devices exhibit an inductance of less than 10nH on certain models.
Hermetically Sealed Resistor from VishayVishay Intertechnology has introduced the new hermetically sealed VHP203 miniature ultra-high-precision Z-Foil resistor. The new device provides a low absolute TCR of ±0.05ppm/°C from 0°C to +60°C and ±0.2ppm/°C from −55°C to +125°C, +25°C Ref, an excellent power coefficient (ΔR due to self heating) of ±5ppm at rated power, a tolerance of ±0.001% (10ppm), and a load-life stability of ±0.002% (20ppm).
Surface-Mount Power Metal Strip Resistor from VishayVishay has announced a high-precision Bulk Metal surface-mount Power Metal Strip resistor that features an improved load-life stability of ±0.05% at +70°C for 2000 hours at rated power, an absolute TCR of ±15PPM/°C from -55°C to +125°C, +25°C Ref., and a tolerance of ±0.1%.
Thick Film Power Resistor from VishayVishay Intertechnology has released a new 35-W thick film power resistor featuring a compact, easy-to-mount TO-263 package (D2PAK) and a broad range of resistance values.
Fused tantalum capacitors from AVX protects against short circuitsAVX's new TAW series fused tantalum capacitors protect against damaging high DC leakage currents at high currents. Short circuit failure mode protection is accomplished using an internal fuse connected in series with the capacitor. More, as the fuse is fabricated using thin film technology, these components are very reliable, ultra-fast and the lowest ESR commercially available fused tantalum capacitors currently available.
KEMET launches Space Grade Series of CapacitorsKEMET has announced the introduction of a new series of space grade capacitors designed for use by military / aerospace customers in high-reliability space applications. The announcement underlines the company's continuing commitment to the defence and aerospace markets.
Surface mount capacitors for LCDs from SyferAimed directly at the LCD inverter market, Syfer Technology has developed a range of surface mount multilayer ceramic capacitors, offering reduced susceptibility to surface arcing. The improved properties have been made possible through the utilization of a unique C0G/NP0 dielectric material. Vishay’s Shunt Resistor from TTI has Low Resistance Values of 100-500µΩTTI has Vishay's new WSMS5515 Power Metal Strip meter shunt resistor that offers 3W power capability in the 5515 size package, with extremely low resistance values down to 100µΩ. The new device also features very low resistance values from 100 to 500 µΩ, which provides increased accuracy in current meter shunt applications for industrial and residential electronic power meters.
Metal Foil resistor series from OhmiteOhmite has launched its first Metal Foil resistor series designed to meet the demands, among other applications, of manufacturers of battery powered devices who are looking for tight tolerances for the accurate measurement of current draw and a low TCR so that the resistor value will not drift too much as temperatures increase.
Automotive Precision Thin Film Chip Resistor Array from VishayVishay Intertechnology has announced the release of the ACAS 0612 AT automotive precision thin film chip resistor array, which is tested according to AEC-Q200 and offers a 1000-V ESD stability rating. The device is optimized to meet new automotive industry requirements for temperature and humidity, while offering high repeatability and stable performance for industrial, telecommunication, and consumer electronics.
Vishay Releases Tantalum Chip CapacitorsVishay Intertechnology has announced the release of the new TR8 series of molded MicroTan tantalum chip capacitors that provide ultra-low ESR values of 0.8Ω (at 100kHz and 47μF) in the 0805 case size, and an industry-low 1.5Ω in the 0603 case size.
Murata extends its HiCap series of MLCC capacitors to 125C ratingFollowing demand from the plasma cell flat panel display and power supply markets, Murata has extended the maximum operating temperature rating of its popular HiCap series from 85C to 125C. This has been achieved largely through the development of new ceramic materials.
KEMET expands its HiCV and large case size SMD Multilayer Ceramic Capacitor rangesKemet has announced a range expansion for its EIA 1812 and EIA 1210 case size Multilayer Ceramic Capacitors (MLCCs). The EIA 1812 range extension includes 4.7µF, 50V devices plus 6uF and 10µF 25V rated parts. The EIA 1210 extensions cover the same capacitance and voltage values but in a smaller package for applications where space is restricted.
Ultra-High-Precision High-Resolution Z-Foil Audio Resistor from VishayVishay Intertechnology has announced an ultra-high-precision Z-Foil audio resistor that features a special design for increased clarity. The device provides a low typical TCR of ±0.2ppm/°C from -55°C to +125°C, +25°C ref., an excellent PCR (ΔR due to self heating) of 5ppm at rated power, an absolute tolerance of 0.01%, and current noise of <-40dB.
TTI adds Evox Rifa EMI capacitors from KemetTTI, Inc is adding Evox Rifa EMI Metallised Paper (MP) capacitors from Kemet to its extensive product range. Benefitting from Evox Rifa's 60 year history of commitment to top quality product design, the MP capacitors offer the highest possible level of operational safety regarding passive and active flammability.
Syfer caps it all with Queen’s AwardSyfer Technology has won a 2008 Queen's Award for Enterprise. This highly prestigious award for Innovation is for the development of Syfer's FlexiCap capacitor termination technology. Syfer joins the ranks of other leading UK innovators recognised this year for making a significant contribution to British industry, including Du Pont, Land Rover, Picsel Technologies and Symbian.
KEMET announces major expansion to ceramic through-hole portfolioKEMET has announced a major expansion in its through-hole ceramic capacitor product portfolio. New capacitance and voltage values have been added in virtually every available case size of the company's axial (Aximax) and radial (Goldmax) conformally coated product lines in X7R dielectric.
Murata’s environmentally-friendly tape packaging for ultra-small 01005 chip capacitors is said to be 90% cleanerMurata's GRM02 series of 01005 chip capacitors is now available in W4P1 plastic tape packaging. This new tape is 4mm wide and has a pitch of 0.1mm, saving around 75% of the volume of packaging material waste compared to the previous tape packaging. As the new tape is plastic, it reduces the amount of fluff and dust produced by at least 90% over the old paper tape. Class 1000 clean mounting processes can now be applied to the GRM02 series, so that more applications can take advantage of the series' low ESR, low ESL and ultra-small size. TTI adds Panasonic Gold Capacitors to portfolioTTI, Inc has added new Panasonic Gold Capacitors to its range of products. The Electric Double Layer capacitors are designed for use in applications requiring high reliability and long life, such as base stations and blade servers.
Capacitors stand-up to 260ºC reflow solder processesSeveral case sizes from NIC Component's popular NAZT series of surface mount aluminium electrolytic capacitors are now rated to 260ºC – the current maximum recommended temperature for Sn-Ag-Cu (SAC) alloy lead-free reflow solder processes.
Process Breakthrough Boosts Capacitance In High-Rel ChipsAvailable for immediate delivery are increased capacitance versions in Syfer's ranges of 16V, 25V and 50/63V series of multilayer chip capacitors, new versions built on an X5R dielectric, and a lower voltage, 10V range has been launched.
Vishay WSL and WSR Power Metal Strip Resistors now available from TTITTI, Inc., has announced the new improved Power Metal Strip Resistors from Vishay. Built on proprietary processing techniques, devices in this series feature extremely low resistance values down to 0.001Ω and low thermal EMF of less than 3 µV/°C. Arcol resistors meet the demands of high voltage powerRapid can supply an extensive range of carbon composition and aluminium clad wirewound resistors - products designed to meet the demands of high voltage power in automotive, medical and lighting applications.
Thick Film Resistor Features Low Resistance Down to 10 mOhms and Low TCR Down to +/-100ppm/KVishay Intertechnology has announced the release of a new thick film resistor that combines an extremely low resistance with tight tolerances and low TCR for current-sensing applications. To provide high stability for current sensing and shunt applications in dc-to-dc converters, power supplies, motor circuits, computers, and cell phones, Vishay's CRCW....-EL thick film power resistor offers an extremely low resistance range from 10mΩ to 100mΩ, with tight tolerances of ±1% and ±5%.
Low ESR high rel tantalum capacitors minimize failure rates in long life commercial power suppliesToday's commercial power supply market is acutely aware of the need to minimize the failure rates. This has led to an increased demand for high-reliability low ESR capacitors. In response, for commercial, yet high-rel applications, AVX has introduced a range of new parts within its TRJ professional series which deliver significantly lower ESR while achieving reliability levels twice that of standard tantalum devices. Mouser Electronics Now Distributing Arcotronics Group Products GloballyMouser Electronics, Inc., has announced it is now globally distributing products from Arcotronics Group, a KEMET company. Arcotronics Group specializes in film and electrolytic capacitors for a variety of markets including automotive, industrial, telecommunications, entertainment, and more.
Military SMPS stacked capacitorsKEMET Corporation has introduced military-grade ceramic stacked capacitors for use in high-frequency power supplies. The products, commonly referred to as Switched-Mode Power Supply (SMPS) Stacked Capacitors, are qualified to Military Performance Specification MIL-PRF-49470 and DSCC Drawing 87106. The new components are intended for high-reliability SMPS and pulse energy applications. Their low Equivalent Series Resistance (ESR) and Equivalent Series Inductance (ESL) specifications make them ideally suited for input and output filtering in both power supply and snubber applications.
Surface-Mount Power Metal Strip Resistor Offers High 0.20-W Power Rating in Compact 0603 PackageVishay has announced what it says is the industry's first Power Metal Strip resistor to feature a high 0.20-W power rating in the compact 0603 package size. With double the power capacity of the standard WSL0603-type device, the WSL0603... 18 is a small, surface-mount resistor intended for high-power, current-sensing applications in dc-to-dc converters, power/Li-Ion battery management systems, and VRMs in computer and telecommunications systems. In automotive systems, the resistor is optimized for electronic controls, including driver information electronics, engine, chassis, and climate controls.
DC Link power capacitors from TTITTI, Inc. has added new WIMA DC-LINK MKP 4 capacitors to its range of products. The new WIMA capacitors are available with capacitances from 5 up to 75µF and in voltages of 450, 700, 900 and 1100VDC.
High-Q low-ESR MLCCs reduce power consumption in RF applicationsMurata's GQM series of high-Q multilayer ceramic chip (MLCC) capacitors features low ESR and high Q at VHF, UHF and microwave frequencies. Low ESR – 0.1 Ohms at 1GHz for a typical 10pF capacitor – helps reduce power consumption in mobile phones, basestations and telecommunications equipment, particularly RF power amplifiers. The series comes with high voltage ratings up to 250V in 0603 packaging, and up to 100V in 0805 packaging. 0805 versions rated at 250V are under development. Vishay Releases Industry's First Power Metal Strip® Resistors in 3921 and 5931 Case Sizes With an Operating Temperature Range of –65°C to +275°CVishay Intertechnology, Inc. today announced two new high-temperature, surface-mount Power Metal Strip® resistors that are the industry's first such devices in the 3921 and 5931 case sizes to offer an operating temperature range of –65°C to +275°C.
Ultra high precision chip resistorsThe RN73 series of ultra high stability precision chip resistors from Tyco Electronics has been extended to offer resistance tolerances down to 0.01% - making the devices up to 10 times more accurate than previously available models the company says.
Discoidal Capacitors For Reliable EMI FilteringLeading UK passive component manufacturer, Syfer, has announced the availability of a range of discoidal capacitors, offered in standard or custom configurations. Aimed primarily at manufacturers of EMI filters and filter networks, these robust and reliable devices will also meet the demands of equipment manufacturers in the communications, industrial, military/aerospace and sensors markets.
Radial electrolytic series now has 63V and 100V devicesNIC Components Europe has extended its popular NRSG radial leaded miniature aluminum electrolytic capacitor range with the addition of 63VDC and 100VDC parts. Characterized by ultra low impedance, long life and high stability at low temperatures, the NRSG series is ideal for use in industrial control applications such as switching power supplies and converters. KEMET expands surface-mount MLCC C0G dielectric platformKEMET Corporation has announced the expansion of its surface-mount, multilayer ceramic capacitor product portfolio in C0G dielectric with the addition of over 80 first-to-market part types. KEMET now offers industry-leading capacitance values that combine ultra-high capacitance with the stability and performance of a Class 1 dielectric in a 100% Lead (Pb)-Free and environmentally friendly package.
Vishays new SMR1DZ and SMR3DZ Z-Foil resistors available now from TTITTI, Inc. introduces the Vishay SMR1DZ and SMR3DZ ultra high precision surface mount resistors that use Vishay's breakthrough Z-Foil technology to deliver a significant reduction of the resistive component's sensitivity to ambient temperature variations (TCR) and applied power changes (PCR). Z-Foil improves stability by an order of magnitude compared to any other resistor technology, allowing designers to guarantee a high degree of accuracy in fixed-resistor applications.
Syfer Secures Stamp Of Approval For Extended Capacitor RangeEquipment manufacturers seeking quality-assured surface mount capacitors for high reliability and safety critical applications, now have an extended range to choose from, thanks to leading UK-based manufacturer, Syfer. The company offers the most extensive line-up of devices available with the internationally renowned IECQ-CECC release approval.
Capacitors are suited to harsh environmentsTTI has introduced the AVX Europe extended range of award winning FLEXITERM MLC capacitors that include new higher operating temperature versions in X8R dielectric for automotive under the hood, down hole sensors and other harsh environment applications. Tantalum/Oxicap capacitor simulation software from AVXAVX has announced a new version 1.5 of SpiTanII, the company's popular simulation program for its tantalum and Oxicap niobium oxide capacitor ranges. SpiTanII is an application software that enables the designer to view all basic characteristics and parameters for tantalum and Oxicap capacitors. The designer can select a desired component by part number or by reference to capacitance, rated voltage, case size or series. For the selected capacitor all basic parameters - such as frequency characteristics of capacitance, ESR, impedance, DF and ripple current and ripple voltage ratings - are displayed.
35V rated Polymer Tantalum Capacitor is a first says KEMETThrough advancements in materials and manufacturing techniques, KEMET has successfully constructed and qualified the first polymer capacitors suitable for applications of up to 28V continuous duty. In addition, these devices have demonstrated surge voltage handling capabilities in excess of 46V. This increase in voltage provides designers working on higher voltage applications, such as those with 24V and 28V power input rails, the option of incorporating polymer tantalum technology with its significant performance advantages, into new designs.
Snap-in Electrolytic Capacitors from NIC ComponentsNIC Components has extended its range of snap-in electrolytic capacitors with the introduction of the NRLR and NRLRW series. These two new series offer high capacitance-voltage (CV) performance combined with high ripple current ratings. Suited to high density circuits they also feature a low profile design for applications where height is restricted.
EMI suppression capacitors from EPCOSACAL Technology has announced compact Y2 EMI suppression capacitors from EPCOS. Connected to protective ground between the neutral conductor and phase to suppress high-frequency interference and transients, they protect the equipment and allow it to operate reliably. Typical applications include power supplies and household appliances. The Y2 capacitors offer a rated AC voltage of 300 VAC and a temperature stability of 110 °C. Their design ensures extremely reliable performance in a compact format. Their dimensions range from 4 x 9 x 13 mm³ to 20 x 39.5 x 41.5 mm³. They also satisfy the most important international standards such as IEC, UL and CSA.
Resistors have very low resistanceIdeal for many current monitoring and precision control applications, Ohmite's new TGHG Series SOT-227 type resistors are available in resistance values as low as 0.0005 ohms. The non inductive, thick film power resistors, when used with the appropriate heatsink, are equally suited to high power current monitoring up to100W. Providing highly reliable, non inductive performance the TGHG features a four terminal Kelvin connection to isolate measurement path from current flow path.
Chip filters offer high capacitance valuesJust announced by Syfer Technology is the E07 range of high current, three terminal filter chips, which are designed to block electromagnetic interference emanating from high speed circuitry, and prevent the propagation of high frequency noise along power lines. The existing range has seen a huge increase in the maximum capacitance available, as well as in the number of values. Introduction To ClarityCap’s Major Research Programme Into Audio Capacitors"Two years ago (July 2005), we announced a major two-year research programme into the performance and applications of audio capacitors. We have now come to the end of this major research programme and the results very exciting.
Multi-layer ceramic capacitors handle board flexingTTI, Inc. is offering a complete X7R Flex-Mitigation portfolio of multi-layer ceramic capacitors (MLCCs) from Kemet, a leading producer of high-performance capacitors. IR failure (or a short circuit condition) due to cracks in the MLCC structure from board flexure is the top failure mode and customer complaint. On the other hand, manufacturing defects today are almost negligible since they have been systematically eliminated and are at ppm levels.
Anglia signs WIMAAnglia has announced that it has signed a distribution agreement with German capacitor manufacturer WIMA, whose capacitors are particularly suited to applications in the power supply, lighting, automotive and telecommunications industries.
Vishay’s ultra low ESR solid tantalum chip capacitors available from TTI, Inc.Based on a dual anode construction that delivers the lowest ESR in their class, T97 Tantamount® conformally coated solid tantalum capacitors manufactured by Vishay and available from TTI, Inc., the world's leading authorized specialist distributor of passive, connector and electromechanical components, combine the flexibility of a commercial product with the reliability required for demanding applications by offering high reliability screening and surge current testing options.
Flexible Termination capacitors provide protection against PCB flexingKEMET has expanded its range of surface mount X7R multi-layer ceramic capacitors with the introduction of flexible termination or FT-CAPs. The new devices offer an increased measure of protection against capacitor failure due to short-circuit caused by PCB flexing. FT-CAPs complement KEMET's existing Open Mode and Floating Electrode technologies that provide flex crack mitigation.
TTI, Inc., offers industry first with high voltage Vishay X7R multilayer ceramic chip capacitorsSurface-mount X7R multilayer ceramic chip capacitors (MLCCs) manufactured by Vishay and available from TTI, Inc., the world's leading authorized specialist distributor of passive, connector and electromechanical components, claim an industry first with a unique patent-pending internal design structure that prevents surface arc over at high voltages. Called HVArc Guard and designated VJ1206, VJ1210, VJ1808 and VJ1812, the MLCCs also deliver maximum capacitance in high-voltage ratings and increased capacitor voltage breakdown.
SMD thick film chip resistors from PanasonicA new range of anti-surge chip resistors from Panasonic can now be ordered via TTI, Inc., the world's leading authorized specialist distributor of passive, connector and electromechanical components. A Melf type resistor replacement, the new ERJ series SMD thick film style resistors offer numerous benefits over the previous style devices, namely reduced costs, optimized mounting speed, simpler mounting equipment and better solder joint reliability against temperature cycles.
Capacitors from AVX to replace aluminium electrolytics in nextgen TVsOxiCap Niobium Oxide capacitors from AVX Corporation, a leading manufacturer of advanced passive components, are set to replace traditional aluminium electrolytic capacitors in latest generation LCD/PDP TV applications. New OxiCap® devices offer a high reliability of up to 500k hours, and are available in low profile and low ESR styles, making them ideal for consumer electronics applications such as HDTVs.
High capacitance, surface mount chip capacitors save space and costThe range of high voltage, high capacitance, surface mount chip capacitors from Syfer Technology has just been extended with a number of new additions. Now one of the most extensive families available, Syfer's high voltage capacitors span the range from 16V to 6kV, with capacitance ranges from 0.47pF to 15µF. The latest introductions, at 1.2kV, 1.5kV and 2.5kV, slot neatly into the series, giving engineers a broader choice of devices with which to optimise their designs for cost and space, while ensuring they meet high voltage tests for transients and spikes. Film capacitors for noise immunityHigh-specification, high-quality SMD film capacitors from Panasonic are stocked by TTI Europe, the world's leading authorized specialist distributor of passive, connector and electromechanical components.
Electrolyte capacitors go up in valueAVX has improved maximum cap values of its low profile NOJ series range of OxiCap Niobium Oxide solid electrolyte capacitors. The standard Y case (7.3 x 4.3 x 2mm; length x width x height) now features 150uF rated at 6.3V, with the W case size (6 x 3.2 x 1.5mm; l x w x h) benefiting from 100uF rated at 4V. Low profile NOJ series capacitors are designed for applications where maximum height of components above or below the PCB are of prime consideration, for example PC notebooks, mobile phones, PDAs and other thin handheld devices.
Dielectric MLCCs from KemetKemet has expanded its range of MLCC products in C0G dielectric. Capacitance values have been extended in 25V rated 0402, 0603, 0805, 1206 and 1210 case sizes. Tolerances for the new parts span Kemet's whole range of ±1% to ±20%. Values which are first-to-market are: 1210, 0.22µF; 0805, 0.033µF; and 0603, 0.01µF. The company plans to add new values to its ranges of 50V and 100V parts in the near future.
Taiyo Yuden Announces Industry’s First 4.7µF MLCC in 0402 Case Size — One Device Provides the Capacitance of Two Typical 0402 ComponentsTAIYO YUDEN, INC., announces the mass production availability of its new AMK105BJ475MV multi-layer ceramic capacitor (MLCC) for decoupling power-line circuits in high-performance ICs used in cell phones, digital still cameras and other battery-powered portable electronics. The AMK105BJ is the first MLCC to achieve a capacitance rating of 4.7μF in the 1.0 × 0.5 × 0.5mm (EIA 0402) case size. The AMK105BJ allows designers to obtain the desired capacitance value from a single 0402-size device, where two 2.2µF-rated 0402 capacitors were previously required. This saves cost and simplifies manufacturability by reducing parts count by 50 percent for this application. Moreover, the AMK105BJ allows designers to downsize from 0603 size components (1.6 × 0.8 × 0.8mm) to the more compact 0402 size, resulting in space savings of 76 percent (volume) and 61 percent (area) without sacrificing device performance.
KEMET utilises technology advancements to expand its offering of small case size KO-CAP polymer capacitorsKEMET has added a number of new releases to its T528 series of KO-CAP polymer capacitors. The addition of the low profile I and M-case size parts is as a result of the implementation of advancements KEMET has made in its KO-CAP polymer capacitor design that allow for increased volumetric efficiency. These have resulted in more than 100% gain in active area.
Electrolytic capacitors with unusual SMD leads offer excellent vibration resistanceToday's electronic components have to meet very stringent requirements to ensure that they are able withstand the stress of automotive and other hightemperature applications combined with high levels of vibration. Large electrolytic capacitors which are used to store energy cause problems, as they are the only components with wire leads in many applications. The European distributor ECOMAL has reacted to this situation by adding innovative Frolyt aluminum electrolytic capacitors to its portfolio. This pseudo SMD solution now makes it possible to use capacitors with a case diameter of 18mm in very demanding applications. The pins are bent very precisely so that they lie flat on the SMD pads and can be put through a lead-free soldering process. The visible solder joints can be inspected to verify the quality of the reflow process.
Chip-type Metal Plate Current Shunts in Sizes 1206 to 2512For anyone who requires low resistance together with small inductance for the precise measurement of current, the TLR chiptype current sensing resistors from KOA are particularly suitable. The series covers the sizes from 1206 (0.5 W) to 2512 (2W), with resistance values from 1 mOhm to 20 mOhm.
Stacked film chip capacitors deliver stable performanceNIC Components has introduced two new ranges of stacked film chip capacitors. The NSHC and NSPU series combine small size with stability under voltage, stability over time, immunity from cracking and low dielectric loss making them ideal alternative to higher loss and less stable MLCC capacitors. Both ranges are fully RoHS compliant. Multianode tantalum capacitorsNew TPM series multi-anode "mirror" configuration multianode tantalum capacitors have been developed by AVX, delivering reduced height, lower self inductance and lower Equivalent Series Resistance. The new symmetrical design reduces ESL to 1nH – half that of standard D case sized devices. Low ESL enables a higher resonant frequency up to 500kHz (mirror D case), delivering more efficient filtering in DC/DC power switching converters. The new design also reduces the height of the new tantalum capacitors from 4.3mm (E case) to 3.1mm (D case) with even further reductions planned, down to 2.0mm maximum height. Surface mount resistors have very wide value rangeTyco Electronics has released a new series of surface mount power resistors in 1W, 2W, 3W and 5W packages with true pick and place suitability. Available in very wide value ranges from 10R – 2M for the 1W version and R10 – 2M for the 2W, 3W and 5W components in the E24 value grid, new SM series power resistors are available in tolerances of 1% or 5%. High capacitance radial and axial leaded MLCCsAVX Corporation has developed new radial and axial leaded multilayer ceramic capacitors that offer high capacitance levels of up to 1.0microF at 50V and 100V in SR21 radial and 3.3microF at 10V in an SA10 axial configuration. New SkyCap series radial leaded ceramic capacitors are an extension of the existing SR21 family, which provide increased efficiency by allowing very high capacitances at around half the previously available package volume. SkyCap capacitors are the industry's leading conformally coated radial leaded MLC.
Capacitor arrays resist crackingNow available from AVX Corporation are capacitor arrays featuring FLEXITERM soft termination. Like standard and multi layer ceramic capacitors, arrays will crack under excessive board flexure. However, FLEXITERM arrays can withstand over twice the PCB deflection of standard MLC devices without cracking.
Improved resistors seem ideal for circuit protectionRecently introduced improved CBT series resistors from Tyco Electronics are said to provide excellent pulse withstand capabilities for circuitry associated with surges, high peak power or high energy, whilst remaining very stable. Ideal for protection against lightning strikes, advanced characteristics of the highly reliable 0.25W CBT25 and 0.5W CBT50 resistors have been achieved by selecting materials featuring optimum physical properties and by new developments in the manufacturing process. Surface Mount Power Resistor offers power capability up to 10WBI Technologies' SMP series is a surface mount power resistor with a power capability of up to 10W. Designed for use in high power applications in confined spaces, the SMP series boasts a small footprint and moulded SOIC package that offers superior thermal management.
Automotive-grade ceramic radial leaded capacitorAVX Corporation has developed what it says is the first automotive-grade conformally-coated ceramic radial leaded capacitor. Designated the AR Series, the product range encompasses NPO, X7R, and - most recently - X8R dielectrics, which allows for an extended temperature range up to 150ºC, making the parts suitable for a variety of automotive and industrial applications, including under-hood, in-cabin, and down-hole.
Electrolytics withstand reflow soldering to +260°CNew surface-mount V-chip aluminium electrolytic capacitors from ACAL Components are designed to withstand reflow soldering to +260°C. Manufactured by NIC Components, the six new families of liquid electrolyte, aluminium capacitors are compatible with the Sn-Ag-Cu (SAC) alloy lead-free soldering process which has emerged as the industry-standard replacement for Sn-Pb solder alloys for RoHS-compliant products.
High Voltage CapacitorsUK capacitor manufacturer, Syfer Technology, is a leading supplier of high voltage and high capacitance radial lead devices, not only RoHS compliant, but also with CECC approvals. The range featured in its latest catalogue extends to 5kV, but Syfer offers custom designs for specialist applications up to 10kV, if required. Such high voltage parts are essential for some medical equipment, for example, such as X-ray systems.
Ultra Small Resistors from TTI EuropeTTI Europe has announced a low-value current sense surface mount chip resistor family, recently launched by TT Electronics Welwyn Components. Complementing the existing LR series, the new devices are available in three smaller sizes - 0805, 0603 and 0402 - whilst retaining the same thick-film on ceramic construction. This saves space on circuit boards, enabling miniaturisation and providing increased choice for product designers.
Ultra Small Size Current Sense ResistorsThe new series of Ultra Small Size Current Sense Resistors complements TT Welwyn's existing LR Series, offering the same thick-film on ceramic construction but providing increased choice for product designers in the form of three smaller sizes options of 0805, 0603 and 0402. These smaller sizes save space on the circuit board, allowing the production of smaller and lighter products.
Arrow strengthens EMI/RF filter capacitor rangeArrow has extended its EMI and RF filtering product portfolio with the addition of Yageo's new SC series of multilayer capacitors in 1808 and 1812 case sizes certified to IEC384-14 / IEC60950 / EN 132400 for power and telecom applications. The main applications for the new Yageo devices are as X (line-to-line) or Y (line-to-ground) capacitors according to IEC definitions. All feature a dielectric withstand voltage of 1500VAC at 60Hz and all carry ratings for operation at 250VAC.
New power resistors feature high performance levels at lower costsRecently added to Tyco Electronics' CGS range of power resistors, new aluminium housed THS series power resistors are based on the high performance HS series devices, featuring same basic performance levels but at lower costs.
Surface mount tantalum chip capacitors from KemetKEMET has expanded its range of low-profile surface mount tantalum chip capacitors with the addition of new parts to its T520 and T530 series. The T520 series of organic polymer cathode capacitors benefits from the addition of six new 'C' case size part numbers. These devices are designed to satisfy the needs of power supply designers who need to incorporate high capacitance components into circuits where space is limited and using parts with the smallest possible footprint is critical.
KEMET products approved for defence and aerospace applicationsThree KEMET product lines can now be specified for stringent defence and aerospace applications following the creation of new Defense Supply Center, Columbus (DSCC) source control drawings. The drawings were developed in response to the growing need for components approved for use in critical applications that offer a benign failure mode.
Chip inductor series offers low inductance for high frequency applicationsRecently expanded to create a broader range of options for design engineers, the 3650 series of chip inductors from Tyco Electronics offers a wide range of inductance values from 1.0nH up to 4.7mH, as required by ever more demanding high frequency applications. The wide value range makes the devices an ideal choice for filtering and signal conditioning in cellular phones, global positioning systems (GPS), digital TV tuners, cordless telephones, W-LAN and Bluetooth applications, just to name a few.
SMT Capacitors provide memory back-up for a wide range of applicationsNIC Components has introduced a new range of SMT Capacitors designed to provide memory back-up under power failure conditions. The NEXC series offers the unique ability to conventionally mount this V-chip style device. NIC also offers five series of leaded parts for through-hole applications providing a breadth of range to address most applications.
Low Profile HiCV MLCCs help ease design of portable and miniature electronics equipmentKEMET has addressed the growing need for reduced height components with the expansion of its range of high capacitance, Multi Layer Ceramic Capacitors (MLCCs) to include two new low profile parts.
TAIYO YUDEN Introduces Industry’s Smallest Low-ESL MLCCs; 0402 Devices Join Highest-Capacitance 0603 & 0805-Size ComponentsTAIYO YUDEN (U.S.A.), INC., announces a significant new addition to its expanding line-up of high-performance multilayer ceramic capacitors (MLCC). The nine models in the new WK series employ "reverse geometry" terminations and other design improvements to provide industry-leading performance relative to device size. WK series maximum capacitance values are, respectively, 0.47µF, 4.7µF and 10µF in the 0402, 0603 and 0805 case sizes. These ratings represent an almost two-fold performance improvement over previous company devices of equal size. The new WK series includes the industry's smallest low-ESL devices (now in 0402) and the industry's highest-capacitance values for both 0603 and 0805. Available voltage ratings are 4V (0402; 0603), 6.3V (0603; 0805) and 16V (0805).
Tiny AVX Inductor offers tolerance as tight as 0.05nHAVX has released a tight tolerance L0402 LGA inductor based on thin-film technology, providing excellent high frequency performance and rugged construction for reliable automatic assembly. Thin film technology allows for the deposition of low ESR line width structures to the micron and below level. These small structures yield extremely tight tolerance inductors in virtually any value, and as tight as 0.05nH in low value 0402 devices.
New AVX capacitor virtually eliminates short-circuit failurePassives specialist AVX has produced a ceramic capacitor designed to virtually eliminate the risk of short-circuit failure. FLEXISAFE components are terminated with the FLEXITERM layer to absorb shock and prevent internal cracking resulting from board flexure and temperature cycling damage.
B case size tantalums with low ESRAVX's 1210 B case size TCJ series of polymer tantalum capacitors launched last year is now available with even lower ESR, reduced from 70 to 45mΩ. For the design engineer this means lower output noise and improved ripple current in their circuits. It also means, faster pulse energy in key areas of the circuit, which has become much more important with the increased usage of battery power for handheld equipment.
Multilayer Ceramic Capacitors for high voltage applicationsAVX is extending its range of high voltage Multi Layer Ceramic Chips to include an industry standard voltage option of 630V. The passives specialist's new 630V range offers high capacitance values, low leakage and small size, parameters often difficult to obtain for high voltage systems.
Capacitors feature low equivalent series inductance for high clock speedsMurata has announced a number of recent additions to its LLL, LLA, LLM and LLK series of low ESL capacitors, extending the capacitance ranges, over standard and extra low profile versions, while keeping ESL especially low. The LLL range, for example, with ESL quoted at 150 to 250pH, and targeting microprocessor clock speeds from 120 to 800MHz, has been extended with a number of X7S dielectric parts with capacitance ranges now up to 0.68µF (low profile) and 2.2µF (standard) in the smallest 0306 footprint, to 4.7µF and 10µF in the 0508 package and to 10 and 22µF in the 0612 size. Capacitors feature low equivalent series inductance for high clock speedsMurata has announced a number of recent additions to its LLL, LLA, LLM and LLK series of low ESL capacitors, extending the capacitance ranges, over standard and extra low profile versions, while keeping ESL especially low. The LLL range, for example, with ESL quoted at 150 to 250pH, and targeting microprocessor clock speeds from 120 to 800MHz, has been extended with a number of X7S dielectric parts with capacitance ranges now up to 0.68µF (low profile) and 2.2µF (standard) in the smallest 0306 footprint, to 4.7µF and 10µF in the 0508 package and to 10 and 22µF in the 0612 size.
Military qualified SMT Tantalums 50V parts and choice of terminationKEMET has extended its T409 (CWR09 style) and T429 (CWR29 style) series of established reliability, military standard qualified (MIL-PRF- 55365/4 & /11), surface mount Tantalum capacitor ranges to include 50 volt rated parts. The company has also enhanced the T409, T429 and T419 (CWR19 style) series by offering them with three new termination options.
220µF 4V caps available in T case size - a first?Passives specialist AVX is offering its high TLJ series of capacitors – known for its high capacitance versus voltage ratio – in a yet smaller volume, allowing for increased sound quality at miniature dimensions in smaller handheld devices.
Resistors for rugged applicationsOhmite's new G Series capacitor discharge and symmetry resistor range has been specially designed to handle the requirements of repetitive pulse loading, the G Series provides high power dissipation up to 13W at 25°C.
High Performance Ceramic CapacitorsNow available from TTI Europe is the SQ series of high-performance, high-Q ceramic capacitors from AVX. Available in P90, NP0 and X7R dielectrics, the SQ series complements the well-established AQ series, introducing an increased level of current handling and lower ESR. They are suited to applications in the 10 MHz to 4.2 GHz frequency range, from radio broadcasting through to microwave communications.
Tiny microwave capacitor delivers the lowest equivalent series resistance in an 0805 caseAVX has just introduced its SQCF microwave capacitor that delivers the lowest Equivalent Series Resistance (ESR) in a 0805 case size on the market. SQCF microwave capacitors present an ESR down to 50mOhms at 1GHz and a quality factor (Q) greater than 10,000 at 1MHz. Devices deliver high performance and reliability for base station infrastructure requiring high Q and power handling capability.
Heatsinkable Thin Film Power Resistor from OhmiteOhmite has produced what it claims to be the industry's first thin film power resistor in heatsinkable packaging. The TK/TN Series also offers other major advantages over existing TO-220 products, namely, low resistance values down to 0.03 ohms for current sense applications and low cost.
New Website Describes Standard and Custom CapacitorsICW manufactures polyester and polypropylene metallised films with working voltages of between 63Vdc and 1500Vdc and a range of capacitances 10nF to around 600µF in a single winding.
Ultra Low Profile MLC Capacitors Suit the Latest Consumer ApplicationsAVX has introduced its LT series of ultra low profile MLC capacitors in X5R - a class II dielectric with a capacitance variation of ±15% from -55 to 85degC - for decoupling and filtering applications.
High Frequency, High Q Capacitors For Hi Rel ApplicationsDesigned specifically for high performance and high reliability applications, Murata has introduced the Hi-Q MLC range of multilayer chip capacitors. The ERB series provides higher power and higher frequency over standard multilayer chip capacitors, while the MA series, primarily targeted at radio applications, extends the power range even further. The highest performing GQM series provides a high frequency, high power solution.
SMT Capacitors offer extended capacitance ratingsAdvanced process technology has enabled Syfer Technology to greatly increase the capacitance range of its 2kV series of surface mount capacitors. With applications in power supplies and modems as well as a broad spectrum of telecoms, military/aerospace and industrial equipment, these extended range devices will prove a boon to designers working to tight space and performance constraints.
Tantalum caps eliminate piezo noise in mobile phonesTAC 0805 2.2µF 25V tantalum capacitors from AVX provide good filtering performance for backlighting control of small LCD displays in mobile phones.
SURFACE MOUNT RESISTORS FROM OHMITE HAVEBringing precision high voltage capabilities to the benefits of surface mount, Ohmite's new MacroChip resistors have a non-inductive design combined with a low voltage coefficient.
47µF capacitor has a 10V rating in 0805 footprint and P case size.AVX has introduced a 47µF capacitor with a 10V rating in 0805 footprint and P case size. This expands its TLJ range of capacitors which offers a high capacitance versus voltage ratio based on stable MnO2 electrodes.
Non-inductive thick film power resistorIdeally suited for high frequency and pulse load applications Ohmite's new TGH Series non-inductive thick film power resistor is available in 120 or 200 Watt, 2 or 4 terminal versions.
Double-layer capacitors achieve capacitance values up to 300 FaradACAL Components has introduced SuperCap double-layer capacitors which achieve capacitance values up to 300 Farad. Developed and manufactured by WIMA, SuperCaps can be used to replace, protect or support batteries whilst offering considerably higher discharge currents.
No Pb in Syfer's Radial Lead CapacitorsUK capacitor manufacturer Syfer Technology has announced that all of its standard ranges of radial lead capacitors are now available with tin terminations, in place of the traditional tin-lead terminations on the leads. All internal solder joints are also lead-free to meet the requirements of the new directive. For customers required to demonstrate compliance, Syfer's part numbers have been modified and clearly labelled with an additional 'C42' suffix.
Tiny Wire-Wound Chip Inductors for IC Input Power Circuits are said to be World's smallestTAIYO YUDEN has announced that its LBMF1608 series wire-wound chip inductors are now being produced at the rate of 10 million units per month. As the first-ever device to achieve a 47µH inductance rating in 0603 case size (1.6 x 0.8 x 0.8mm), the LBMF1608 is 33% smaller by volume than equivalent-rated 0805 inductors typically used in the IC input power circuits of cell phones, PDAs, still/video cameras and other mobile digital equipment.
85W Heat Sinkable Resistor keeps its CoolThe latest from Ohmite's product range to use its innovative thick film technology is the TFH85, a heat sinkable resistor which provides a robust 85W power rating (at 25°C case temperature) in a compact TO-264 package.
Ohmite extends resistor rangeThe newly extended TFS Series of resistors from Ohmite has been specifically designed and developed to absorb much more energy compared to standard film resistors. Ideal for medical surge protection applications, these low profile, thick film resistors offer non-inductive performance in an axial package.
Ultra low ESR capacitor is a single part solution for low voltage, high power, high frequency applicationsBased on a combination of niobium oxide and multi-layer ceramic anodes, AVX's new NPV series of CoreCap™ capacitors deliver excellent ESR performance for medium/ high to very high frequencies, while providing a high level of bulk capacitance for low to medium frequencies.
Medium power film capacitorsOffering male and female connections, the FFVE/ FFVI medium power film capacitors from AVX offer inductance levels as low as 18nH. With a capacitance range between 12 and 400µF, devices offer significantly improved current handling capacities and lifetime expectancy than leading competition.
NEW PRECISION ALLOY BARE ELEMENTThe new 610 and 650 Series four terminal bare element resistors from Ohmite provide ultra low resistance values (to 0.005 ohms) for relatively high current requirements.
OHMITE INTRODUCE MIL SPEC RESISTORSDesigned to meet the exacting requirements of military specification MIL-R-93, the new P Series moulded precision wirewound resistors from Ohmite offers high stability and low temperature coefficient of resistance (TCR).
COST, WEIGHT AND SPACE SAVINGSWith ratings from 90-330 watts, the new range of WFH flat, heatsinkable, wirewound resistors from Ohmite offer cost savings, weight and space savings, plus superior thermal efficiencies over conventional aluminum housed resistors.
CNC SPOT WELDING MAINTAINS CONSISTENCYThe new WH/WN/WL series miniature moulded axial leaded wirewound resistors from Ohmite uses the high purity (96% Alumina) ceramic cores with wire winding which are spot welded by CNC machine tools to ensure total operational consistency throughout.
Low-profile resistors available in six standard sizesSpecifically designed and developed to absorb more energy than standard film resistors, the new TFS Series from Ohmite is said to be ideal for medical surge protection applications and for the replacement of standard carbon composition resistors.
SMT high voltage chip resistors offer high voltage capabilityThe new HVC series high voltage chip resistors from Ohmite offer high voltage capability in a surface mount package. Meeting MIL-STD-202 specification, the HVC series uses the latest thick film technology to meet voltage applications of up to 3kV.
NEW PE SERIES THICK FILM RESISTOR FROM OHMITEBridging the gap between low power, high resistance potentiometers and high power, lower resistance wirewound rheostats, Ohmite's new PE Series thick film potentiometers have a metal shaft and ceramic housing to provide a smooth linear operation and low noise performance.
Capacitors are worth listening to!Niobium oxide and tantalum capacitors, manufactured by AVX, provide high capacitance performance in audio applications. Delivering a clear and rich flow to headphones and speakerphones, the parts realise the low frequency response demanded by high quality audio equipment.
Lead-free tantalums in “R” case size with height options of 1.2, 1.5 and 2.0mmAVX has introduced a low-profile TAJ lead-free "R" (0805) case size tantalum capacitor. Achieving high capacitance values, the device allows design engineers to reduce the size of their systems by downsizing components, or by reducing the amount of components needed in a circuit.
Capacitor Arrays Reduce Costs and SpaceMurata has launched a number of new capacitor array products specifically aimed at those seeking to meet tough cost and form factor constraints, while maintaining product quality and further reducing PCB real estate.
High Voltage Capacitors have Smaller PackagesSyfer Technology has developed a range of high voltage capacitors in smaller packages to help product designers meet ever-tightening constraints for increased performance in a reduced form factor.
Syfer's RoHS compliant EMI Filters can take the heatSyfer Technology has announced the availability of an extensive range of solder mount feedthrough EMI filters designed to be fully RoHS compliant.
Syfer's latest EMI chips can replace up to three capacitorsSyfer's balanced line X2Y three terminal chip range provides simultaneous line to line and line to ground filtering using a single ceramic chip. Such a device typically replaces two or three capacitors to deliver both differential and common mode filtering.
Chip Capacitors for Lighting BallastsSyfer Technology has made available a range of ceramic chip capacitors designed specifically for use in the snubber circuit of high frequency ballasts for fluorescent lighting systems.
Syfer committed to RoHS but still invests in leaded products for exempt sectorsSomewhat against the industry trend, the latest designs of surface mount chip capacitors available from leading UK passive component manufacturer, Syfer Technology, can be supplied with traditional tin/lead terminations. |
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