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Littelfuse PSR033US0700X Semiconductor Fuse

High-speed semiconductor fuse designed for protection of power devices like diodes, IGBTs, and MOSFETs, in power conversion and conditioning equipment. Features include rapid response, visual blown indication, and optional micro-switch. Rated for voltages of 550-1300V AC/DC and currents from 40A to 2000A. Cylindrical ceramic body with plated copper contacts, certified by UL, cURus, IEC, RoHS, and REACH. Suitable for UPS, inverters, electric vehicle chargers, and more, providing reliable circuit protection with high current limiting and fast fault clearing.

Authorized Distributors
Source:Newark
Part No:PSR033US0700X
Stock:2
Inv Date:05-28-2026
Price: Unit price: $102.28
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Source:DigiKey
Part No:PSR033US0700X
Stock:0
Inv Date:05-28-2026
Price: Unit price: $464.38
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Part No:PSR033US0700X
Stock:0
Inv Date:05-29-2026
Price: Unit price: $464.37
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Part No:PSR033US0700X
Stock:0
Inv Date:05-28-2026
Price: Unit price: $944.82
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Part No:PSR033US0700X
Stock:0
Inv Date:05-28-2026
Price: Unit price: $944.82
Buy/RFQ:
Part No:PSR033US0700X
Stock:0
Inv Date:05-28-2026
Price: Unit price: $400.11
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Littelfuse PSR033US0700X Semiconductor Fuse Specifications:

  • Voltage Rating AC: 550 V-1300 V
  • Voltage Rating DC: 480 V-1000 V
  • Amperage Rating: 40 A-2000 A
  • Interrupting Rating AC: 100 KA-200 kA
  • Interrupting Rating DC: 150 kA
  • Time Constant: 10 ms
  • Material Body: ceramic
  • Contacts: plated copper
  • Mounting: bolted blade style
  • Certifications: UL 248-13 Recognized, cURus, IEC 60269-4, RoHS, REACH
  • Operating Temperature: -55°C to +125°C
  • Storage Temperature: Up to +35°C with humidity <65%

Buy the Buy Littelfuse PSR033US0700X High-Speed Semiconductor Fuse Part Number 033US0700X Online

Experience the reliable protection of the Littelfuse PSR033US0700X high-speed semiconductor fuse, perfect for safeguarding power electronics like IGBTs, MOSFETs, and diodes. Rated for 700A and voltage up to 1300V, it features a ceramic body, plated copper contacts, and visual blown indication for quick diagnostics. Certified with UL, cURus, and IEC standards, ensuring high safety and performance in UPS systems, inverters, and electric vehicle chargers. Designed for durability, rapid fault clearing, and current limiting to enhance your circuit protection reliability. Perfect for industrial automation and power conversion systems.

Get Littelfuse PSR033US0700X today—built for precision and long-lasting durability in high-speed circuit protection applications.

Frequently Asked Questions

Where can I buy Littelfuse PSR033US0700X?

You can click on the BUY or RFQ button to purchase PSR033US0700X from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part PSR033US0700X?

You can download the PSR033US0700X datasheet or visit the Littelfuse website for support.

Who is the manufacturer of PSR033US0700X?

Littelfuse

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