PTC Resettable Fuses

PTC Resettable Fuses are designed to stop current flow when it exceeds a certain limit (overcurrent protection). The Fuses work by increasing its resistance as its temperature rises due to the current increase. The trip current ranges from 14 mA to 50 A with the Time to trip ranging from 8 ms to 90 s. PTC = Positive Temperature Coefficient.

PTC Resettable Fuses Product List

Total Results:5876

72R065XU

  • Littelfuse Inc.
  • PTC RESET FUSE 72V 650MA RADIAL
  • Stock:3177

72R090XU

  • Littelfuse Inc.
  • PTC RESET FUSE 72V 900MA RADIAL
  • Stock:2104

72R185XF

  • Littelfuse Inc.
  • PTC RESET FUSE 72V 1.85A RADIAL
  • Stock:2393

72R300XF

  • Littelfuse Inc.
  • PTC RESET FUSE 72V 3A RADIAL
  • Stock:7502

AHRF550S

  • Littelfuse Inc.
  • PTC RESET FUSE 16V 5.5A RADIAL
  • Stock:9685

LR4-1300F

  • Littelfuse Inc.
  • PTC RESET FUSE 20V 13A STRAP
  • Stock:6295

LR4-190LF

  • Littelfuse Inc.
  • PTC RESET FUSE 15V 1.9A STRAP
  • Stock:1924

LR4-190SLF

  • Littelfuse Inc.
  • PTC RESET FUSE 15V 1.9A STRAP
  • Stock:1844

LR4-190XF

  • Littelfuse Inc.
  • PTC RESET FUSE 15V 1.9A STRAP
  • Stock:5099

LR4-550RAF

  • Littelfuse Inc.
  • PTC RESET FUSE 20V 5.5A STRAP
  • Stock:5976

RHEF050US

  • Littelfuse Inc.
  • PTC RESET FUSE 30V 500MA RADIAL
  • Stock:2365

RHEF050US-2

  • Littelfuse Inc.
  • PTC RESET FUSE 30V 500MA RADIAL
  • Stock:4318

RHEF070U

  • Littelfuse Inc.
  • PTC RESET FUSE 30V 700MA RADIAL
  • Stock:6531

RHEF070U-2

  • Littelfuse Inc.
  • PTC RESET FUSE 30V 700MA RADIAL
  • Stock:4369

RHEF600S

  • Littelfuse Inc.
  • PTC RESET FUSE 16V 6A RADIAL
  • Stock:1359

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