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POWR-SPEED® Line of High-Speed (Semiconductor) Blade Fuses – PSR Series

Littelfuse's PSR series high-speed square body semiconductor fuses are designed for protection of power semiconductor devices

Image of Littelfuse's POWR-SPEED® Line of High-Speed (Semiconductor) Blade Fuses – PSR SeriesLittelfuse PSR series high-speed square body fuses are specially designed for protection of power semiconductor devices such as diodes, TRIACs, SCRs, MOSFETs, IGBT-based applications, and other solid-state devices that are typically designed into power conversion and power conditioning equipment.

POWR-SPEED Product Flyer

POWR-SPEED Cross-Reference

Features and Benefits
  • Extremely current limiting
  • Low watt loss
  • Universal blade mounting
  • Optimized design
  • RoHS and REACH compliant
  • Optimized performance
  • Reduces peak let-through current and let-through energy (I2t)
  • Less energy wasted during operation
  • Laser-etched resistance values eliminate labels that erode over time
  • Quick and easy field replacement
  • Better energy efficiency and improved protection levels
  • Environmentally friendly, offering greater acceptance globally
Applications
  • Industrial electronics
  • Renewable energy
  • EV infrastructure
  • Power conversion devices
  • DC systems
  • Heaters and power supplies
  • Battery protection applications
  • Electric vehicle charging stations

PSR030 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityView Details
FUSE POWR-SPEED 110MM 50APSR030DL0050ZFUSE POWR-SPEED 110MM 50A50A0View Details
FUSE POWR-SPEED 10MM 200APSR030DL0200ZFUSE POWR-SPEED 10MM 200A200A0View Details
FUSE POWR-SPEED 80MM 500APSR030DS0500ZFUSE POWR-SPEED 80MM 500A500A0View Details
FUSE POWR-SPEED LONG  BL 100APSR030UL0100ZFUSE POWR-SPEED LONG BL 100A100A0View Details
FUSE POWR-SPEED LONG  BL 250APSR030UL0250ZFUSE POWR-SPEED LONG BL 250A250A0View Details
FUSE POWR-SPEED LONG  BL 500APSR030UL0500ZFUSE POWR-SPEED LONG BL 500A500A0View Details

PSR031 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityView Details
FUSE POWR-SPEED 10MM 250APSR031DL0250ZFUSE POWR-SPEED 10MM 250A250A3 - ImmediateView Details
FUSE POWR-SPEED 10MM 630APSR031DL0630ZFUSE POWR-SPEED 10MM 630A630A3 - ImmediateView Details
FUSE POWR-SPEED LONG  BL 200APSR031UL0200ZFUSE POWR-SPEED LONG BL 200A200A3 - ImmediateView Details
FUSE POWR-SPEED LONG  BL 400APSR031UL0400ZFUSE POWR-SPEED LONG BL 400A400A0View Details
FUSE POWR-SPEED LONG  BL 500APSR031UL0500ZFUSE POWR-SPEED LONG BL 500A500A3 - ImmediateView Details
FUSE POWR-SPEED LONG  BL 700APSR031UL0700ZFUSE POWR-SPEED LONG BL 700A700A3 - ImmediateView Details
FUSE POWR-SPEED SHRT  BL 250APSR031US0250ZFUSE POWR-SPEED SHRT BL 250A250A3 - ImmediateView Details
FUSE POWR-SPEED SHRT  BL 500APSR031US0500ZFUSE POWR-SPEED SHRT BL 500A500A3 - ImmediateView Details

PSR032 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityView Details
FUSE POWR-SPEED 10MM 700APSR032DL0700XFUSE POWR-SPEED 10MM 700A700A2 - ImmediateView Details
FUSE POWR-SPEED 80MM 500APSR032DS0500XFUSE POWR-SPEED 80MM 500A500A2 - Immediate
2 - Factory Stock
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FUSE POWR-SPEED LONG  BL 630APSR032UL0630XFUSE POWR-SPEED LONG BL 630A630A2 - Immediate
1 - Factory Stock
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FUSE POWR-SPEED LONG BL 1000APSR032UL1000XFUSE POWR-SPEED LONG BL 1000A1kA2 - Immediate
1 - Factory Stock
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FUSE POWR-SPEED SHRT  BL 450APSR032US0450XFUSE POWR-SPEED SHRT BL 450A450A1 - ImmediateView Details
FUSE POWR-SPEED SHRT  BL 500APSR032US0500XFUSE POWR-SPEED SHRT BL 500A500A2 - Immediate
1 - Factory Stock
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FUSE POWR-SPEED SHRT  BL 800APSR032US0800XFUSE POWR-SPEED SHRT BL 800A800A2 - Immediate
1 - Factory Stock
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PSR033 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityView Details
FUSE POWR-SPEED 10MM 500APSR033DL0500XFUSE POWR-SPEED 10MM 500A500A0View Details
FUSE POWR-SPEED 10MM 1000APSR033DL1000XFUSE POWR-SPEED 10MM 1000A1kA0View Details
FUSE POWR-SPEED LONG  BL 500APSR033UL0500XFUSE POWR-SPEED LONG BL 500A500A0View Details
FUSE POWR-SPEED LONG BL 1000APSR033UL1000XFUSE POWR-SPEED LONG BL 1000A1kA0View Details
FUSE POWR-SPEED LONG BL 1250APSR033UL1250XFUSE POWR-SPEED LONG BL 1250A1.25kA0View Details
FUSE POWR-SPEED SHRT   BL 500APSR033US0500XFUSE POWR-SPEED SHRT BL 500A500A0View Details
FUSE POWR-SPEED SHRT   BL 700APSR033US0700XFUSE POWR-SPEED SHRT BL 700A700A0View Details
FUSE POWR-SPEED SHRT   BL 800APSR033US0800XFUSE POWR-SPEED SHRT BL 800A800A0View Details

PSR070 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityView Details
FUSE POWR-SPEED 110MM 200APSR070DL0200ZFUSE POWR-SPEED 110MM 200A200A0View Details
FUSE POWR-SPEED LONG BL 50APSR070UL0050ZFUSE POWR-SPEED LONG BL 50A50A3 - ImmediateView Details
FUSE POWR-SPEED LONG  BL 100APSR070UL0100ZFUSE POWR-SPEED LONG BL 100A100A0View Details
FUSE POWR-SPEED LONG  BL 125APSR070UL0125ZFUSE POWR-SPEED LONG BL 125A125A3 - ImmediateView Details
FUSE POWR-SPEED LONG  BL 200APSR070UL0200ZFUSE POWR-SPEED LONG BL 200A200A3 - ImmediateView Details
FUSE POWR-SPEED LONG  BL 250APSR070UL0250ZFUSE POWR-SPEED LONG BL 250A250A3 - Immediate
3 - Factory Stock
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PSR071 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityView Details
FUSE POWR-SPEED LONG  BL 250APSR071UL0250ZFUSE POWR-SPEED LONG BL 250A250A3 - ImmediateView Details
FUSE POWR-SPEED LONG  BL 450APSR071UL0450ZFUSE POWR-SPEED LONG BL 450A450A0View Details

PSR072 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityView Details
FUSE POWR-SPEED 110MM 400APSR072DL0400XFUSE POWR-SPEED 110MM 400A400A0View Details
FUSE POWR-SPEED 110MM 500APSR072DL0500XFUSE POWR-SPEED 110MM 500A500A2 - Immediate
1 - Factory Stock
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FUSE POWR-SPEED LONG  BL 250APSR072UL0250XFUSE POWR-SPEED LONG BL 250A250A2 - Immediate
1 - Factory Stock
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FUSE POWR-SPEED LONG  BL 350APSR072UL0350XFUSE POWR-SPEED LONG BL 350A350A2 - ImmediateView Details
FUSE POWR-SPEED LONG  BL 450APSR072UL0450XFUSE POWR-SPEED LONG BL 450A450A2 - Immediate
1 - Factory Stock
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FUSE POWR-SPEED LONG  BL 500APSR072UL0500XFUSE POWR-SPEED LONG BL 500A500A2 - Immediate
1 - Factory Stock
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PSR073 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityView Details
FUSE POWR-SPEED 110MM 500APSR073DL0500XFUSE POWR-SPEED 110MM 500A500A2 - Immediate
4 - Factory Stock
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FUSE POWR-SPEED 110MM 630APSR073DL0630XFUSE POWR-SPEED 110MM 630A630A0View Details
FUSE POWR-SPEED LONG  BL 350APSR073UL0350XFUSE POWR-SPEED LONG BL 350A350A1 - ImmediateView Details
FUSE POWR-SPEED LONG  BL 450APSR073UL0450XFUSE POWR-SPEED LONG BL 450A450A2 - Immediate
1 - Factory Stock
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FUSE POWR-SPEED LONG  BL 500APSR073UL0500XFUSE POWR-SPEED LONG BL 500A500A2 - Immediate
1 - Factory Stock
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FUSE POWR-SPEED LONG  BL 700APSR073UL0700XFUSE POWR-SPEED LONG BL 700A700A2 - Immediate
2 - Factory Stock
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Published: 2019-11-08