Resistors and Capacitors
Murata low-profile capacitors reduces acoustic noise by up to 30dB
Murata's GJ8 series of multi-layer ceramic chip capacitors (MLCCs) has been specifically developed to reduce acoustic noise in consumer and industrial electronics applications. Sound can be generated by the MLCCs at the input to the DC-DC converter in a notebook PC, or by capacitors in the control circuit of the LCD module in a mobile phone.
Bulk Metal Z-Foil Wraparound Surface-Mount Resistor from Vishay
Vishay has introduced the improved VSMP0603 ultra-high-precision Bulk Metal® Z-Foil (BMZF) wraparound surface-mount resistor with an extended power rating to 0.1 W and higher resistance values to 5 kΩ. The device is the industry's first in the 0603 chips size to offer a military-grade absolute TCR of ±0.2 ppm/°C from −55°C to +125°C, +25°C ref., a tolerance of ±0.01%, and an almost immeasurable 1-ns rise time, effectively without ringing. While typical 0603 resistors offer a load-life stability of ≥ 0.1% through a 1000-hour workload, Vishay's new device features an improved load-life stability of ±0.005% (50 ppm) at +70°C for 2000 hours at rated power.
KOA Expands High Precision Thin Film Resistors Range
KOA has expanded its RN73H series of high precision thin film flat chip resistors with size 0402 and higher ohmic values in all other sizes. The RN73H series provides excellent long term stability, typically below 0.05% resistance change over 1000 hours. The typical resistance change due to soldering heat is below 0.01%.
AVX gets IRIS Certification for Power Capacitors
AVX Corporation has received certification in accordance with the International Railway Industry Standard (IRIS), covering the design, development and manufacturing of power capacitors. AVX's metallized film power capacitor plant is based in Saint Apollinaire, France.
Surface-Mount Bulk Metal Z-Foil Resistors for AMS Applications
Vishay Intertechnology has announced that its new series of ultra- high-precision, wraparound surface-mount Bulk Metal Z Foil (BMZF) resistors for avionics, military and space (AMS) applications is now available with post-manufacturing screening (PMO) in accordance with EEE-INST-002, DSCC, and EPPL. The new screening option is available for devices in the 0805 through 2512 case sizes.
Bulk Metal Foil Surface-Mount Resistors for Military, Avionics, and Space Applications
Vishay is now offering a wide variety of surface-mount resistors built on Bulk Metal Foil technology for high reliability and high stability in demanding military, avionics, and space applications. Including the release of the newly improved VSMP (0805 to 2512) series, VCS1625Z, and CSM2512S, Vishay's offering features a wide range of ultra-high-precision specifications and configurations for optimized performance.
Ultra-High-Precision Z-Foil Voltage Divider Resistors from Vishay
Vishay has introduced two new ultra-high-precision Z-Foil voltage divider resistors that feature a low typical TCR of ±0.2 ppm/°C from −55°C to +125°C, +25°C ref., TCR tracking to 0.1 ppm/°C, tolerance matching to ±0.005% (50 ppm), and a load-life stability ratio of ±0.005% at +70°C for 2000 hours at rated power.
Ultra-High-Precision Z-Foil Molded Surface-Mount Resistors
Vishay Intertechnology has announced that it has enhanced its SMR1DZ and SMR3DZ ultra-high-precision Z-Foil molded surface-mount resistors with an almost instantaneous thermal stabilization time of < 1 second.
High-Voltage, Screw-Mounting Disc Capacitors from Vishay
Vishay has announced a new series of high-voltage, screw-mounting disc capacitors that offers designers a wide range of diameters and capacitance values over rated voltages from 10 kVDC to 40 kVDC.
High power wire wound tubular resistors from Tyco Electronics
The recently introduced range of high power tubular resistors from Tyco Electronics features a corrugated ribbon element on a ceramic core with a Mullite coating for a rapid cooling effect, enabling very good power handling capability from 50W up to 2500W.
Vishay's Ultra-High-Precision Bulk Metal Z-Foil Resistor
Vishay has introduced the E102Z ultra-high-precision Bulk Metal Z-Foil resistor. The new device provides a military-grade absolute TCR of ±0.2 ppm/°C from −55°C to +125°C, +25°C ref., a tolerance from ±0.005% (50 ppm), and a load-life stability of ±0.005% (50 ppm) at +70°C for 2000 hours at rated power. The E102Z is built to handle unconventional environmental conditions with minimal drift, making it well suited for military, space, and medical applications according to EEE-INST-002 specifications and MIL-PRF 55182.
Bulk Metal Z-Foil Reliability Resistors from Vishay
Vishay has announced that it has extended the resistance tolerance of the RNC90Z family of military-established, Bulk Metal Z-Foil reliability resistors down to ±0.005%. As R level established reliability resistors, RNC90Z devices are military-qualified to MIL PRF 55182/9, the standard for military and aerospace applications requiring long-term stability. The resistors' ability to retain their initial value through temperature change, load application, frequency shift, and short-time overload is unmatched in the industry. Designers can expect the RNC90Z devices to display parts-per-million changes in service, as opposed to percentage changes that occur with thick and thin film resistors.
Radial High-Temperature Low-Impedance Aluminum Capacitors from Vishay
Vishay has announced the release of a new series of radial aluminum capacitors that offers very low impedance values, high capacitances, high ripple currents, and high-temperature operation up to +125°C.
KEMET Claims First 35V Rated Polymer Tantalum Capacitor
KEMET Corporation has announces the release of the first ever 35V rated surface mount polymer tantalum chip capacitor. Since their introduction in the 90's, polymer tantalum capacitors have become a popular choice for capacitance solutions in portable consumer electronics due to their low ESR (Equivalent Series Resistance), high reliability, volumetric efficiency, low profile design and benign failure mode.
PPS film capacitors from NIC provide stability over a wide operating temperature range
NIC Components has introduced a family of film chip capacitors that offer extremely stable characteristics over a wide operating temperature range. The NSMX series of wound, metalized Polyphenylene Sulfide (PPS) film capacitors is ideal for use in applications that require low absorption characteristics such as voice or datacom circuitry. They are also suited to use in power supplies requiring low loss parameters or where piezoelectric problems may be experienced such as in telecom supplies or LCD backlighting inverters.
Vishay's Surface-Mount 2010 Power Metal Strip Resistor
Vishay Intertechnology has announced a new high-temperature 1W surface-mount Power Metal Strip resistor that is said to be the industry's first current sensing resistor in the 2010 case size to operate over a temperature range of –65°C to +275°C. The WSLT2010...18 resistor features a very low 10-mΩ to 500-mΩ resistance value range, a tight tolerance down to ±0.5%, and low TCR values down to ±75 ppm/°C.
AVX upgrades its capacitor simulation software programs
AVX Corporation has launched the latest version of its SpiTanII software that enables designers to view all basic characteristics and parameters for tantalum and Oxicap (niobium oxide) capacitors. The company has also expanded the Pspice simulation software libraries it offers for its tantalum, tantalum polymer and niobium oxide chip parts, as well as introducing V6.0 of its Select-a-Cap software tool. Computer modeling and simulation is an important design resource that can save cost and time to market, and reduce potential quality issues. However, for this approach to be effective, high quality models are necessary, showing realistic behaviour not merely "ideal" performance. These three new tools from AVX will greatly improve the PC-based design-in process for tantalum and niobium oxide capacitors.
AVX Develops Low Profile Tantalum Capacitors
AVX has developed a new high capacitance PulseCap capacitor in a low profile package. The capacitors are designed for applications such as PCMCIA/USB wireless express cards where bulk capacitance is needed to boost transmitter power.
High CV ceramic capacitors from AVX
AVX Corporation has introduced the MH Series of high CV ceramic capacitors for commercial and high-reliability applications. Developed by mounting an MLCC in a molded surface mount leadframe, the MH Series provides a ceramic capacitor that combines the attributes of ceramic devices, low ESR, non-polar construction, high frequency behavior, excellent voltage stress capabilities and wide temperature range, with the enhanced mechanical protection of a molded case.
Aluminium enclosed resistors from Tyco Electronics
New CJT series resistors from Tyco Electronics feature high IP ratings of IP33 up to IP54, making the devices superior to conventional ceramic resistors when used in harsh environments. Benefiting from easy airtight fitting and the ability to fit a heatsink, the resistors are ideal for inverter braking, as well as loading and charging circuits in harsh environmental conditions.
Loads of new capacitors from Kemet
KEMET has announced that it has launched a company record 178 first-to-market capacitance products in the quarter ending September 2008. The total puts KEMET on track to easily surpass the twelve-month total of 220 first-to-market products it achieved in the preceding fiscal year.
AVX Develops New Termination Design for Tantalum Capacitors
AVX Corporation has developed a new termination style for MnO2 (TLN Series) and polymer (TCN Series) tantalum capacitors that reduces the required internal construction space by up to 60 per cent and enables parts to be positioned very closely together.
Vishay's TR8 MicroTan Tantalum Chip Capacitor Named as Winner
Vishay Intertechnology has announced that its TR8 molded MicroTan tantalum chip capacitor was honored with an EDN China Innovation Award in the Passive Component, Connector, and Sensor category. Vishay received the award at a ceremony held on November 6 at the Jinjiang Shenzhen Airlines Hotel in Shenzhen, China. Accepting the award on behalf of Vishay was Tommy Cheng, Tantalum/MLCC Field Application Manager.
Novacap’s X7R and X5R series offer alternative to polarized tantalum and electrolytic capacitors in filter applications
Novacap introduces a new line of high-capacitance multilayer ceramic capacitors (MLCCs) that combine higher volumetric capacitance per given board area with lower equivalent series resistance (ESR) than alternative solutions. The high-capacitance devices in the new X7R and X5R series are packaged in 0402 to 1812 case sizes with a capacitance value range of 100 pF to 100 µF.
Murata's Power MONO ceramic capacitor saves board space in Hybrid Electric Scooter application
Murata announces that its Power MONO ceramic capacitor has been designed into a hybrid electric scooter. Power MONO ceramic capacitors are much more compact than their film or aluminium electrolytic counterparts and feature high allowable ripple current. Further, Murata designed innovative metal terminals for the Power MONO series that prevent cracking in the ceramic material when exposed to mechanical stress.
Vishay Releases Series of SMD Aluminum Capacitors
Vishay Intertechnology has announced the release of a new series of surface-mount aluminum capacitors that offers high-temperature operation +105°C, low impedance values, and high capacitances and ripple currents.
Miniature aluminium electrolytics from NIC Components
NIC Components has introduced a family of high performance miniature aluminium electrolytic capacitors. The NRB-XS series combines small form factors with extended load life and high ripple currents at high temperatures making them ideal for use in lighting ballast applications.
EMI Suppression Film Capacitors from Vishay
Vishay Intertechnology has announced the release of three new X2 electromagnetic interference (EMI) suppression film capacitors with an increased maximum mains voltage of 310 VAC and a wide range of lead pitches and capacitance values.
Flat Chip Resistors from KOA
KOA has developed flat chip resistors with extremely high resistivity against sulphurated environments, high humidity and high temperature. The enhanced structure is based on a metal glaze thick film. Tests in H2S environment showed an outstanding performance compared to standard products.
Vishay's New VPR221Z Ultra-High-Precision Z-Foil Resistor
Vishay Intertechnology, Inc. today introduced the new VPR221Z ultra-high-precision Z-Foil resistor. The new device provides an industrial-grade 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., a power rating up to 8W at +25°C per MIL-PRF-39009 (1.5W in free air), an excellent power coefficient (due to self heating) of ±4ppm/W typical, and a tolerance of ±0.01%.
Multilayer Chip Capacitors from Dengrove
Dengrove has announced the introduction of high-value multilayer ceramic chip capacitors of significantly reduced size, by comparison with conventional, equivalent components. These highly compact MLCCs are available in values of 100µF and 47µF, ±20%, in 1206 and 0805 package sizes.
High temperature ceramic capacitors from AVX
AVX has developed extreme high temperature stacked ceramic capacitors that save board space and can handle harsh and rugged operating environments. Designated the SMX and CHX Series, the stacked ceramic capacitors were specifically designed to function in extreme temperature transitions and high transient voltage applications including down-hole oil drilling, undersea explorations, engine controls, avionics, hybrid vehicles and aerospace.
Metal oxide resistors from Tyco Electronics
Now available from Tyco Electronics is a range of highly stable and reliable metal oxide resistors providing high power in a small package. New RR series resistors are ideal for pulse applications in adverse conditions and are available in three different sizes with power ratings of 1, 2 and 3W for a voltage range from 350 up to 750Volts. Highly temperature resistant the devices feature a resistance range from 0.22Ω up to 1MΩ.
KEMET adds to its dielectric MLCC product range
KEMET has expanded its HiCV, C0G dielectric, Multilayer Ceramic Capacitor (MLCC) surface-mount product range with the addition of a number of new parts, including several first-to-market values. The new parts are all in either 1812 or 2220 large case sizes with 50V or 100V ratings.
Vishay extends tantalum chip capacitor family
Vishay Intertechnology has announced that it has extended its 298D series of MicroTan solid tantalum chip capacitors to offer an industry-best capacitance-voltage rating in the molded 0402 package size. Leveraging the patented MAP (multi-array packaging) assembly technology, Vishay's 298D MicroTan capacitors have been extended to offer high capacitance-voltage ranges from 4.7μF-4V to 10μF-4V in the ultra-compact 1.0-mm x 0.5-mm 0402 K-case with a low 0.60-mm maximum profile. Together with the previously released 0603 M-case and 0805 P-case, the series offers a capacitance-voltage range of 0.68μF-35V to 220μF-4V.
Surface-Mount Current Sensing Chip Resistor from Vishay
Vishay Intertechnology has introduced the new VCS1625Z ultra-high-precision Z-Foil surface-mount current sensing chip resistor. The new device provides an industrial-grade 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, and a tolerance of ±0.2%. While typical current sensing resistors offer a load-life stability of ≥0.5% through a 1000-hour workload, the VCS1625Z features an improved load-life stability of ±0.02% at +70°C for 2000 hours at rated power.
Syfer capacitors now offer better capacitance vs package size combinations
Innovative developments in ceramics materials and manufacturing technology have led to significant extensions in the range of high voltage multilayer, surface mount chip capacitors, available from Syfer Technology. The ability to reduce package size or increase capacitance range in the same package size will prove critical to meeting today's tight design constraints.
Automotive Thin Film Chip Resistor from Vishay
Vishay Intertechnology has announced the release of the industry's first professional automotive thin film chip resistor in the 0603 case size to combine a high operating temperature to +175°C (1000 hours) and an advanced level of rated power.
Vishay launches Solid Tantalum Chip Capacitor With 63V Rating
Vishay Intertechnology has announced that has extended its TANTAMOUNT Hi-Rel COTS T97 series to offer the industry's first solid tantalum chip capacitor with a 63-V rating to meet derating requirements in +28-V power supply designs.
Capacitor array from Murata
Murata has introduced what it says is the world's first 0.9 x 0.6mm (0302) 1.0μF 2-element capacitor array, part number GNM0M2R60E105M. This new 0302-size 2-element capacitor array has achieved 1.0μF per element, which is unprecedented even for a single 0.6 x 0.3 mm (0201) device.
