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Semifuse SFLR Resettable Battery Strap PTC Fuse

Semifuse SFLR polymeric positive temperature coefficient (PPTC) fuses from Fuzetec are ideal for high-power battery applications, providing reliable non-cycling protection against over-charging and short-circuits.

Semifuse SFLR PPTCs have a lower resistance and a smaller mass giving faster trip times and improved battery protection.



  • Rechargeable battery packs
  • Lithium cell
  • Battery packs


  • Low profile
  • Solid state
  • Temperature range -40°C/+85°C
  • Current ratings 1.9A to 9.0A
  • Voltages – 15VDC to 20VDC.
  • Nickel straps for spot welding directly onto battery cells