Latest Passives Products News

Charcroft builds UK production of VPG foil resistors

Charcroft Electronics is to increase production of foil precision resistors in the UK following a technology agreement with Vishay Precision Group (VPG). Charcroft is one of several companies in Europe manufacturing foil resistors using VPG’s Bulk Metail Foil process. Charcroft is a passives specialist and it has been making…

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0603 SMD resistor handls 100mW for current sensing

Rohm has introduced an 0603 resistor for current sensing, intended for smartphones and wearables. The UCR006 series of 0.6×0.3mm thick-film chip resistors are available from 100mΩ to 910mΩ (E24 steps) and operate across -55 to 155°C – an industry first claims Rohm. Power handling is 100mW, allowing…

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Murata improves accuracy of crystals

Murata has improved frequency tolerance and temperature characteristics of its crystal devices. The XRCGB-F-P series has a frequency tolerance of +/- 20 ppm (at +25 deg C), and frequency shift by temperature of +/- 20ppm max. (-30 to + 85 deg C). Compared to previous crystal units that had a combined…

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Vishay turns to nitride for high-power chip resistors

Vishay is using aluminium nitride substrates to achive 2W and 6W power handling in 1206 and 2512 chip resistors, respectively. Called PCAN, they also have enlarged backside terminations to reduce thermal resistance between resistive element and PCB solder joint. “The devices provide four times the power handling capability of commercial…

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DC-link film capacitor is self-healing

AVX has a range of medium power DC-link film capacitors, which have self-healing properties. FRC series capacitors are comprised of dry, wound, metalized polypropylene film dielectric encased in a size A, self-extinguishing, cylindrical plastic case sealed with thermosetting resin and featuring four snap-in terminals that facilitate…

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Device optimises gain at microwave frequencies

Gain equalisers from Knowles Capacitors are designed to compensate for module gain slope at microwave frequencies. The thin film devices provides slope correction from DC to 18GHz of greater than 3dB. They are designed for superior, repeatable microwave performance to compensate for gain roll-off and VSWR mismatch losses and…

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Crystal oscillator aims for oven-controlled stability

IQD’s IQXT-210 series temperature and voltage controlled crystal oscillator (TCVCXO) has specified frequency stabilities down to ±0.14ppm over the full industrial temperature range of -40 to 85 deg C. “This is approaching OCXO performance levels, whilst being packaged in a miniature 8-pad 5 x 3.2mm…

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PCIM: Polypropylene caps for power

AVX is aiming at power supplies and pulse applications with a series of metallised polypropylene film capacitors. Called the FM series, they span 0.01-0.47µF and 2kV-250V. Non-inductively wound and encapsulated in a flame retardant plastic case sealed with self-extinguishing, epoxy, they featuring RoHS…

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