Definition
What is Resettable fuse (PTC) in electronics sourcing?
A polymer device (PTC, also called a polyfuse) that limits current during a fault and resets when it cools. Resettable fuses are chosen by hold and trip current, replacing one-time fuses where self-recovery matters.
Related terms
Every part on your BOM, resolved automatically.
O2 reads a bill of materials end to end: it normalizes part numbers, checks lifecycle and compliance on every line, finds alternates, and drafts the quote.