Aluminum Caps Get New Lease On Life

Vishay Intertechnology has extended the useful life of the 500V devices in its 159 PUL-SI series of snap-in power aluminum capacitors. For solar PV inverters, industrial motor control, and power supplies, the devices now offer a useful life of 5,000 hours at +105 °C. Featuring a cylindrical aluminum case with a pressure relief valve, insulated with a blue sleeve, 159 PUL-SI capacitors are available in case sizes from 22 mm x 25 mm to 35 mm x 60 mm. Offering voltage ratings from 200V to 500V, the devices feature ripple currents to 2.80A, maximum ESR down to 150 mΩ at 100 Hz, and a maximum operating temperature to +105°C. Peruse a datasheet at http://www.vishay.com/docs/28341/159pulsi.pdf

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