Semifuse SFSR RESETTABLE PTC Fuse

Our Semifuse SFSR re-settable polymeric positive temperature coefficient (PPTC) fuse from Fuzetec will provide reliable, non-cycling protection against short circuits in rechargeable batteries and electronic circuits.

Once tripped the device remains in a high resistance state until the fault is removed, preventing damage to the circuit. The device is designed to be welded as a link between cells in battery packs.

Applications

• Rechargeable battery packs
• Lithium cells
• Battery packs

Features

• Voltages – 15VDC to 30VDC
• Current ratings 1.2A – 4.2A
• Temperature range  – 40°C to 85°C
• Low profile
• Solid state
• Nickel straps for spot-welding directly onto battery cells.