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Littelfuse PSR031FS0250Z Semiconductor Fuse

Littelfuse PSR Series High-Speed Square Body Fuses are designed for protecting power semiconductor devices such as diodes, triacs, IGBTs, SCRs, and MOSFETs, especially in power conversion and conditioning equipment. These fuses provide fast, reliable circuit protection in applications like UPS, inverters, DC systems, EV charging, and industrial motor drives. With features like high current limiting, low watt-loss design, and certified compliance (UL, IEC, CCC), they ensure sensitive semiconductor device safety under overcurrent conditions.

Authorized Distributors
Source:Newark
Part No:PSR031FS0250Z
Stock:3
Inv Date:05-28-2026
Price: Unit price: $52.54
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Source:DigiKey
Part No:PSR031FS0250Z
Stock:3
Inv Date:05-28-2026
Price: Unit price: $275.28
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Part No:PSR031FS0250Z
Stock:0
Inv Date:05-29-2026
Price: Unit price: $275.28
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Part No:PSR031FS0250Z
Stock:0
Inv Date:05-28-2026
Price: Unit price: $619.16
Buy/RFQ:
Part No:PSR031FS0250Z
Stock:0
Inv Date:05-28-2026
Price: Unit price: $619.16
Buy/RFQ:
Part No:PSR031FS0250Z
Stock:0
Inv Date:05-28-2026
Price: Unit price: $210.06
Buy/RFQ:

Littelfuse PSR031FS0250Z Semiconductor Fuse Specifications:

  • Voltage Range AC: 550 V - 1300 V
  • DC: 500 V - 1000 V
  • Amperage Range: 40A-2000A
  • Interrupting Range AC: 100 kA - 200 kA
  • DC: 150 kA
  • Time Constant: 10ms
  • Material Body: Ceramic
  • Contacts: Plated Brass
  • Mounting: Flush-End Style
  • Approvals: UL Recognized, cULus, IEC 60269-4 Class aR
  • Operating Temperature: -55°C to +125°C
  • Storage Temperature: Up to +35°C with humidity <65%

Buy the Littelfuse PSR Series High-Speed Fuses – Reliable Semiconductor Protection for Industrial Applications

Purchase Littelfuse PSR Series high-speed semiconductor fuses online today to ensure accurate protection of sensitive power devices. These reliable fuses are engineered for fast response, current limiting, and certified quality, making them ideal for industrial, commercial, and energy storage applications. With a wide amperage range and robust ceramic body construction, they provide long-term durability and safety compliance. Order now and secure optimal circuit protection for your power conversion, DC systems, or electric vehicle charging stations with ease and confidence.

Get Littelfuse PSR Series High-Speed Fuses today—built for precision, high current limiting, and long-lasting durability in industrial power systems.

Frequently Asked Questions

Where can I buy Littelfuse PSR031FS0250Z?

You can click on the BUY or RFQ button to purchase PSR031FS0250Z from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part PSR031FS0250Z?

You can download the PSR031FS0250Z datasheet or visit the Littelfuse website for support.

Who is the manufacturer of PSR031FS0250Z?

Littelfuse

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