Z8440B1

The Z8440B1 is a surface‑mount resettable PTC fuse designed for over‑current protection. It holds 0.5 A continuously and trips at 1.0 A with a maximum trip time of 2 seconds, rated for up to 30 V. Ideal for battery packs, USB interfaces and power supply lines in consumer and automotive applications. Choose SPB Global for reliable stock, fast shipping and expert support.

Battery packs, USB ports, Power supplies

Consumer electronics, Automotive

Max trip time 2s