Latest Passives Products News

Easy-mount discharge resistors, made in the UK

Cornwall-based Arcol Resistors has released a wirewound discharge resistor for large capacitors. Shaped to screw straight onto the capacitor, there are three power ratings in the RW series: 10W (1-15kΩ), 13W(1-2kΩ) and 22W (1-33kΩ), all with ten times overload or over-voltage for 5 seconds…

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Shielded power inductors for electric vehicles

Coilcraft is aiming at vehicles with shielded power inductors rated at up to 101.8A. The AGP4233 series, with 12 values between 6.8 and 470µH, is intended for power supply and filtering applications in, for example, electric vehicle start-stop systems. For reduced footprint (36x42mm, 28mm high) they…

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AVX extends automotive varistor range

AVX has extended the voltage and energy ratings of its radial leaded TransGuard Automotive Series with the addition of its VR20 varistors, expanding both the number and type of applications for the series…

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AVX makes "smallest" tantalum capacitor

AVX claims to have introduced the market’s smallest and lowest profile tantalum capacitor. The 0201 E case TACmicrochip measures only 0.6mm x 0.35mm x 0.35mm. The tantalum capacitor’s specified CV is 0.47μF/6.3V and leakage of 0.01CV. “Thirty years ago, the…

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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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