Bel Fuse Axial Lead Battery Strap PTCs

Bel Fuse Axial Lead Battery Strap PTCs consist of a block of polymeric material containing conductive filler and are bonded between two conductive, planar terminations. These low-profile battery strap PTCs protect against overcharging in rechargeable batteries, featuring an operating (hold current) range from 1.1A to 7.3A. Bel Fuse Axial Lead PTCs feature a maximum voltage of up to 30VDC while being able to operate in temperatures from -40 to +85°C. PTCs in this family are ideal for applications like rechargeable battery packs, lithium cells, and laptop computers.


  • Solid state
  • Low profile
  • Low resistance
  • High hold current
  • Wide 1.1A to 7.3A operating (hold current) range
  • 12VDC to 30VDC max voltage range
  • -40 to +85°C operating temperature range


  • Rechargeable battery packs
  • Lithium cell and battery packs
  • Laptop computers

Naming Convention

Chart - Bel Fuse Axial Lead Battery Strap PTCs
Published: 2018-04-25 | Updated: 2022-08-15