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SFLT Battery Strap Resettable PTC Fuse

Semifuse SFLT resettable polymeric positive temperature coefficient (PPTC) fuses from Fuzetec offer improved battery protection particularly in low-power battery applications. These PTC strap fuses provide reliable non-cycling protection against over-charging and short-circuits.

The Semifuse SFLT series PTCs switch at lower temperatures, therefore giving them faster trip times, and making them ideal for the latest generation of battery designs.


Reliable over current protection for

  • Lithium battery cells
  • Rechargeable battery packs
  • Battery cells


  • Current ratings 0.7A – 3.4A
  • Voltages – 24VDC
  • Nickel straps for spot welding directly onto battery cells
SFLT Battery Strap Resettable PTC Fuse Drawing

Technical Specifications

SFLT Data Table