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Vishay Introduces Power Aluminum Capacitors for Solar Inverters

17.8.2022
Reading Time: 2 mins read
A A

Vishay BCcomponents releases its new 193 PUR-SI solar series of power aluminum electrolytic capacitors with ultra high ripple current and snap-in terminations ideal for solar inverters.

The new series optimized for use in solar PV inverters lower the cost of the inverters solution by reducing count of the total electrolytic capacitors required.  

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Vishay upgraded series of snap-in power aluminum capacitors offers higher rated voltage of 570 V, category voltage of 475 V, and open-circuit voltage up to 600 V.

At 570 V, enhanced 193 PUR-SI Solar series devices feature a maximum operating temperature to +60 °C and endurance of 5000 hours (no ripple current applied). At 475 V, the maximum temperature can be extended to +105 °C, and the useful life is 6000 hours. With their ability to fulfill the open-circuit voltage condition up to 600 V, the components lower the overall cost of solar PV inverters by reducing the number of electrolytic capacitors required, allowing designers to use one capacitor for string input voltages of 600 V and two for 1200 V.

Featuring a cylindrical aluminum case with a pressure relief valve, insulated with a blue sleeve, 193 PUR-SI Solar series capacitors are available in five case sizes ranging from 35 mm by 30 mm to 35 mm by 60 mm. As polarized aluminum electrolytic capacitors with a non-solid electrolyte, the RoHS-compliant devices are ideally suited for DC-Link buffering and filtering applications. In addition to solar PV inverters, typical end products will include industrial motor controls and power supplies.

FEATURES

  • Tailored design for solar PV inverters
  • Specified for higher voltage, up to 600 V at specific operation conditions
  • Long useful life: 6000 h at +105 °C
  • > 25 years 24/7 application life at 60 °C
  • High ripple current capability
  • High reliability

APPLICATIONS

  • Solar PV inverters
  • Industrial motor control
  • Power supply

Related

Source: Vishay

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