Latest Passives Products News

Supercapacitor energy density climbs

Vishay is claiming record energy density – 13J/g – for its 196 HVC Enycap supercapacitors. The series enters the market with from 4 to 90F capacity, with stacked through-hole, surface-mount flat, and lay flat configurations, featuring pins, tabs, and connectors. Minimum, profile height across the series is 2.5mm…

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AVX claims smallest tantalum capacitors

AVX has extended its F38 series of polymer tantalum capacitors, introducing the smallest, highest capacitance-voltage (CV) version yet. Packaged in an 0603 (1608 metric) M case with an 0.9mm maximum profile, the 6.3V 47μF capacitors “nearly halve the footprint of the next smallest polymer tantalum capacitor…

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Polymer capacitors take heat under the bonnet

Kemet has automotive grade polymer capacitors available in capacitances up to 220µF and rated up to 10V. The T591 series has operating temperatures up to 125 deg C qualified on AEC-Q200 guidelines. The supplier said it will offer products with higher temperature ratings (up to 150 deg C…

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Vishay improves high-rel tantalums

Vishay has improved upon its SuperTan series of capacitors with greater reverse voltage capability (1.5V at +85°C), more thermal shock resistance (300 cycles), and greater vibration resistance. Called the T16 Series, the tantalum-cased wet tantalum capacitors have glass-to-tantalum hermetic seals and are available in through…

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Ceramic capacitor is suited to extreme conditions

Kemet has a range of high temperature radial molded multilayer ceramic capacitors which are designed for use in extreme environments and high temperature up to 200°C. The capacitors are designed to withstand the severe shock and vibration conditions associated with deep-well and horizontal drilling activities, and are also…

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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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