Vishay Intertechnology has unveiled a new series of vPolyTan surface-mount polymer tantalum molded chip Capacitors. The automotive-grade polymer tantalum Capacitors are designed to deliver improved performance in operating conditions with high temperature and humidity.
(Source: Vishay Intertechnology)
AEC-Q200 qualified, the T51 series features lower equivalent series resistance (ESR), lower voltage derating and a benign failure mode. Given a highly conductive polymer cathode system, the capacitors provide ultra-low ESR from 120 mΩ down to 40 mΩ at 25 °C.
The series maintains higher volumetric efficiency than traditional tantalum capacitors, multilayer ceramic chip capacitors (MLCC) and aluminum capacitors in a comparable capacitance range, according to Vishay.
Housed in compact D (EIA 7343-31) and V (EIA 7343-20) case sizes, the devices provide a wide capacitance range from 6.8 µF to 330 µF with voltage ratings from 2.5 V to 35 V and a capacitance tolerance of ± 20%.
The T51 series devices also offer high temperature operation to 125 °C — with voltage derating above 105 °C — and a high temperature load time to 2,000 hours. With ripple current to 2.37 A, Vishay claims the capacitors are suited for decoupling, smoothing and filtering in switch mode and point of load (POL) power supplies for automotive ADAS, infotainment in-vehicle electronic systems.
The T51 series features lead-free terminations and is RoHS-compliant, halogen-free and Vishay Green. Samples and production quantities are available with lead times of 20 weeks.
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