Vishay Intertechnology extends lifetime of power aluminium capacitors

The useful life of 500V 159 PUL-SI series snap-in power aluminum capacitors has been increased to 5,000 hours at +105 degree C.

Vishay Intertechnology announced the 159 PUL-SI series of snap-in power aluminum capacitors’ extended life. They are intended for use in solar PV inverters, industrial motor control, and power supplies.

The 159 PUL-SI series of snap-in power aluminum capacitors have a cylindrical aluminium case with a pressure relief valve, insulated with a blue sleeve. The 159 PUL-SI capacitors are available in a variety of case sizes ranging from 22 x 25mm to 35 x 60mm. Offering rated voltages from 200 to 500V, the devices feature high ripple current to 2.80A, maximum ESR down to 150-mOhm at 100Hz, and a maximum operating temperature to +105 degree s.

As polarised aluminum electrolytic capacitors with a non-solid electrolyte, the 159 PUL-SI series devices are suitable for smoothing, filtering, and energy storage in pulsed power applications. The RoHS-compliant capacitors are also available in a keyed polarity snap-in version.

Samples and production quantities of the 159 PUL-SI series capacitors are available now, with lead times of 12 to 14 weeks.

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