DC-link film capacitors for high humidity

DC-link film capacitors for high humidity

New Products |
By Nick Flaherty

Vishay Intertechnology has launched its first range of DC-link metallized polypropylene film capacitors for high humidity environments.

The Vishay Roederstein MKP1848H is Vishay’s first series of AEC-Q200 qualified DC-link film capacitors to withstand temperature humidity bias (THB) testing — 85 °C, 85 % relative humidity for 1000 hours at rated voltage — without impacting its electrical characteristics.

The radial capacitors released today are designed to ensure extremely stable capacitance and ESR values over a long service life under harsh environmental conditions during operation. The robust devices are ideal for output filtering in automotive on- and off-board chargers and DC/DC converters; power converters for solar farms; auxiliary power supplies in wind energy generators; industrial power supplies and motor drives; welding equipment; and UPS.

The MKP1848H DC-link series capacitors offer rated capacitance from 1 µF to 80 µF and low ESR down to 3 mΩ. The devices provide high ripple current capabilities up to 25.1 A and rated voltages of 500 VDC, 700 VDC, 800 VDC, 920 VDC, and 1200 VDC at +85 °C. The capacitors are RoHS-compliant, halogen-free, and Vishay Green.

Samples of the MKP1848H DC-link series are available now. Production are available with a lead time of 20 weeks.

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