Screw Terminal Capacitors w/ Better Ripple Current Handling

Date
07/24/2019

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501 PGM-ST Devices Offer High Capacitance / Voltage Values from 1000 µF to 18 000 µF and 400 V to 500 V

MALVERN, Pa. — Vishay Intertechnology, Inc. today launched a new series of miniaturized screw terminal aluminum capacitors that deliver 10 % higher capacitance and 10 % better ripple current handling for a given can size than previous-generation devices, allowing designers to pack more energy storage into less space. The new Vishay BCcomponents 501 PGM-ST series devices will be used in a wide range of applications and end products, including motor drives, HVAC, welding inverters, UPS, X-ray equipment, microgrid interfaces, wind turbines, and scientific test equipment.

The 501 PGM-ST series devices are available with rated voltages of 400 V, 450 V, and 500 V and capacitance values from 1000 µF to 18 000 µF. Featuring a cylindrical aluminum case insulated with a blue sleeve and pressure relief in their sealing disc, the new 501 PGM-ST capacitors offer a high rated ripple current to 30.2 A and a useful life of 5000 hours, both at + 85 °C. The capacitors are lead (Pb)-free and RoHS compliant.

As polarized aluminum electrolytic capacitors with a non-solid electrolyte, the 501 PGM-ST capacitors are ideally suited for applications that demand high energy storage in a small form factor. The 500 V rating provides increased voltage headroom in motor drives, UPS, and solar inverters by allowing three-phase, 380 V designs to be re-used in 480 V systems by simply upgrading the DC-Link capacitors and enables solar inverter systems to be upgraded for 1000 V maximum input.

Device Specification Table:

Case size (D x L in mm)

50 x 80 to 90 x 195

Capacitance range

1,000 µF to 18,000 µF

Tolerance

± 20 %

Ripple current

5.49 A to 30.2 A

Rated voltage range

400 V to 500 V

Temperature range

- 40 °C to + 85 °C

Useful life at + 85 °C

5000 hours

Shelf life at 0 V, + 85 °C

1000 hours

Sectional specification

IEC 60384-4/EN130300

Climatic category IEC 60068

40/085/56

Samples of selected values for the 501 PGM-ST capacitors are available now. Production quantities are available with lead times of 18 weeks. Pricing per piece depends on case size, voltage, and capacitance. For example, a 3300 µF / 400 V device in a 65 mm by 105 mm case will be priced at approximately $16.00 per piece in 1000 piece quantities.

Vishay can be found on the Internet at www.vishay.com.

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