100121DC

The 100121DC is a surface‑mount resettable PTC fuse designed for over‑current protection. It offers a 60V rating with a 0.5A hold current and a typical trip current around 1.0A, making it suitable for battery pack and USB port protection. Its compact SMD package fits tight PCB layouts while providing reliable, self‑resetting operation. Choose SPB Global for genuine parts, quick delivery, and expert support.

Battery packs, USB ports

Consumer electronics, Automotive