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Littelfuse PSR033UL0500X Semiconductor Fuse

Littelfuse POWR-SPEED PSR series high-speed square body fuses are designed for advanced protection of power semiconductor devices including IGBTs, MOSFETs, diodes, SCRs, and triacs. Suitable for power conversion and conditioning equipment like inverters, UPS systems, drives, and soft-starters, these fuses feature ultra-fast switching, high current limiting, and low watt-loss design. Certified by UL, IEC, and cURus standards, they offer visual blow indication and optional micro-switch for external status monitoring, ensuring reliable circuit protection in sensitive applications.

Authorized Distributors
Source:Newark
Part No:PSR033UL0500X
Stock:2
Inv Date:05-28-2026
Price: Unit price: $92.11
Buy/RFQ:
Source:DigiKey
Part No:PSR033UL0500X
Stock:0
Inv Date:05-28-2026
Price: Unit price: $497.45
Buy/RFQ:
Part No:PSR033UL0500X
Stock:0
Inv Date:05-29-2026
Price: Unit price: $490.68
Buy/RFQ:
Part No:PSR033UL0500X
Stock:0
Inv Date:05-28-2026
Price: Unit price: $893.68
Buy/RFQ:
Part No:PSR033UL0500X
Stock:0
Inv Date:05-28-2026
Price: Unit price: $893.68
Buy/RFQ:
Part No:PSR033UL0500X
Stock:0
Inv Date:05-28-2026
Price: Unit price: $409
Buy/RFQ:

Littelfuse PSR033UL0500X Semiconductor Fuse Specifications:

  • Voltage Rating AC: 550 V-1300V
  • Voltage Rating DC: 480 V-1000 V
  • Amperage Rating: 40 A-2000 A
  • Interrupting Rating AC: 100 KA-200 kA
  • Interrupting Rating DC: 150kA
  • Time Constant: 10 ms
  • Material Body: ceramic
  • Contacts: plated copper
  • Mounting: bolted blade style
  • Certifications: UL 248-13, cURus, IEC 60269-4 Class aR
  • Operating Temperature: -55°C to +125°C
  • Compliance: RoHS and REACH

Buy the Buy Littelfuse PSR Series High-Speed Semiconductor Fuse Part Number PSR033UL0500X Online

Secure your electrical systems today by purchasing the Littelfuse PSR033UL0500X high-speed semiconductor fuse online. Designed for protection of critical power transistors such as IGBTs, MOSFETs, and triacs, this fuse offers outstanding fast-acting circuit interruption, high current limiting, and UL/IEC certification for global standards. Its ceramic body ensures durability, while visual blow indication helps in quick assessment. Ideal for power conversion equipment, inverters, UPS, and soft-starters, this fuse guarantees reliable and safe operation of sensitive semiconductor-based applications. Buy now for quick delivery and peace of mind.

Order your Littelfuse Series PSR033UL0500X high-speed protection fuse today and ensure your power devices operate reliably with fast response and superior safety.

Frequently Asked Questions

Where can I buy Littelfuse PSR033UL0500X?

You can click on the BUY or RFQ button to purchase PSR033UL0500X from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part PSR033UL0500X?

You can download the PSR033UL0500X datasheet or visit the Littelfuse website for support.

Who is the manufacturer of PSR033UL0500X?

Littelfuse

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