Snap-in Power Aluminum Capacitors suit solar applications.

Press Release Summary:

With rated voltage of 500 V at 50°C, 193 PUR-SI Solar Capacitors are intended for solar applications, where highest voltage is present under no load conditions. Electrolytic units have cylindrical aluminum case with pressure relief valve, insulated with blue sleeve. Available in 5 case sizes ranging from 35 x 30 mm to 35 x 60 mm, devices feature max operating temperature to +50°C and useful life of 5,000 hours. At 450 V, max temperature can be extended to +105°C, and useful life is 6,000 hours.

Original Press Release:

Vishay Intertechnology Introduces Snap-in Power Aluminum Capacitors for Solar Applications With 500 V Rated Voltage and Ripple Current to 2.52 A

MALVERN, Pa. — Vishay Intertechnology, Inc. (NYSE: VSH) today announced a new series of snap-in power aluminum capacitors with a rated voltage of 500 V at 50 °C and a category voltage of 450 V at 105 °C. Targeted at solar applications, where the highest voltage is present under no load conditions, the 193 PUR-SI Solar devices also feature a long useful life and rated ripple current up to 2.52 A at + 105 °C and 100 Hz.

Featuring a cylindrical aluminum case with a pressure relief valve, insulated with a blue sleeve, the new 193 PUR-SI Solar capacitors are available in five case sizes ranging from 35 mm by 30 mm to 35 mm by 60 mm. At 500 V, the devices feature a maximum operating temperature to + 50 °C and useful life of 5,000 hours (no ripple current applied). At 450 V the maximum temperature can be extended to + 105 °C, and the useful life is 6,000 hours.

As polarized aluminum electrolytic capacitors with a non-solid electrolyte, the 193 PUR-SI Solar devices are ideally suited for smoothing, filtering, and energy storage in pulsed power applications. End products include solar PV inverters, industrial motor controls, and power supplies.

Device Specification Table:

Case size (D x L in mm)

35 x 30 to 35 x 60

Capacitance range at 500 V

220 µF to 560 µF


± 20 %

Ripple current at 100 Hz and + 105 °C

1.35 A to 2.52 A

Rated voltage

500 V

Category voltage

450 V

Rated temperature range

- 40 °C to + 50 °C

Category temperature range

- 40 °C to + 105 °C

Useful life at 500 V, + 50 °C

5,000 hours

Useful life at 450 V, + 105 °C

6,000 hours

Shelf life at 0 V, + 105 °C

1,000 hours

Max. ESR at 100 Hz

350 mΩ to 900 mΩ

Max. impedance at 10 kHz

250 mΩ to 600 mΩ

Sectional specification

IEC 60384-4/EN130300

Climatic category

IEC 60068 40/105/56


Samples and production quantities of the 193 PUR-SI Solar series capacitors are available now, with lead times of eight to 14 weeks. Pricing for U.S. delivery only starts at $5.50 per piece. Follow snap-in aluminum capacitors from Vishay at

Vishay Intertechnology, Inc., a Fortune 1,000 Company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, MOSFETs, and infrared optoelectronics) and passive electronic components (resistors, inductors, and capacitors). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets. Vishay's product innovations, successful acquisition strategy, and "one-stop shop" service have made it a global industry leader. Vishay can be found on the Internet at .

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