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Littelfuse PSR031FS0500Z Power Semiconductor Fuse

Littelfuse PSR Series High-Speed Square Body Fuses provide reliable protection for power semiconductor devices such as diodes, IGBTs, and MOSFETs, especially in power conversion equipment like inverters, UPS, and soft starters. Designed for fast response to line surges and overcurrent conditions, these fuses feature ceramic bodies with plated brass contacts, a flush-end mounting style, and options with visual indicators and microswitches for blow indication. They meet global standards including UL, IEC, and CCC, ensuring safety and performance in demanding industrial and energy systems.

Authorized Distributors
Source:DigiKey
Part No:PSR031FS0500Z
Stock:3
Inv Date:05-28-2026
Price: Unit price: $306.41
Buy/RFQ:
Part No:PSR031FS0500Z
Stock:0
Inv Date:05-29-2026
Price: Unit price: $306.41
Buy/RFQ:
Part No:PSR031FS0500Z
Stock:0
Inv Date:05-28-2026
Price: Unit price: $663.84
Buy/RFQ:
Part No:PSR031FS0500Z
Stock:0
Inv Date:05-28-2026
Price: Unit price: $663.84
Buy/RFQ:
Part No:PSR031FS0500Z
Stock:0
Inv Date:05-28-2026
Price: Unit price: $236.31
Buy/RFQ:

Littelfuse PSR031FS0500Z Power Semiconductor Fuse Specifications:

  • Voltage Range AC: 550 V - 1300 V
  • Voltage Range DC: 500 V - 1000 V
  • Amperage Range: 40A-2000A
  • Interrupting Capacity AC: 100 kA - 200 kA
  • Interrupting Capacity DC: 150 kA
  • Time Constant: 10 ms
  • Material: Body ceramic, contacts plated brass
  • Mounting: Flush-End Style
  • Operating Temperature: -55°C to +125°C
  • Certifications: UL Recognized, IEC 60269-4, CCC, RoHS, REACH
  • Environmental: Up to +35°C with humidity <65%

Buy the Littelfuse Series PSR Power Semiconductor Fuse: PSR031FS0500Z

Discover the Littelfuse Series PSR high-speed fuses designed for protection of power semiconductors in industrial, energy, and automotive applications. Engineered with ceramic bodies, plated brass contacts, and a flush-end mounting design, these fuses provide rapid response to line surges and overcurrent conditions, safeguarding sensitive devices like IGBTs, MOSFETs, and SCRs. Certified globally by UL, IEC, and CCC, they ensure safety, durability, and compliance in demanding environments. Available for online purchase, these reliable fuses help maintain operational integrity and prevent costly downtime.

Order your Littelfuse Series PSR Power Semiconductor Fuse today and ensure fast, reliable protection for your critical power devices.

Frequently Asked Questions

Where can I buy Littelfuse PSR031FS0500Z?

You can click on the BUY or RFQ button to purchase PSR031FS0500Z from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part PSR031FS0500Z?

You can download the PSR031FS0500Z datasheet or visit the Littelfuse website for support.

Who is the manufacturer of PSR031FS0500Z?

Littelfuse

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