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Vishay PPF capacitors fit high-voltage, HF apps

Posted: 29 Nov 2002 ?? ?Print Version ?Bookmark and Share

Keywords:vishay intertechnology? mkp1841 m? ppf capacitor? hf capacitor? high voltage capacitor?

Vishay Intertechnology Inc. has released the MKP1841-M series of metallized, PPF capacitors that are available with 25 capacitance options from 470pF to 4.7?F with 5 percent, 10 percent, and 20 percent tolerance levels, and voltage options of 250Vdc, 400Vdc, and 630Vdc, as well as 1kVdc, 1.6kVdc, and 2kVdc.

The devices are designed for use in high-voltage, high-current, and high-pulse operations at high frequencies such as S-correction and fly-back tuning, I/O filtering in SPS designs, and protection circuits in power supplies, snubbers, and electronic ballast circuits.

The capacitors are available with case sizes ranging from 4-by-10-by-9mm to 18-by-41.5-by-32.5mm with lead-spacing options from 7.5mm to 37.5mm. They are packaged in a flame-retardant plastic case with an epoxy resin seal and use lead-free schooping layers and terminals and vacuum-deposited aluminum electrodes.

The MKP1841-M series has a maximum pulse rise time from 33V/?s to 9.61kV/?s and a lifespan >300,000h. They are rated for operation over the -55C to 100C temperature range.

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