PCN
What does PCN mean in a BOM?
A formal notice from a manufacturer that a part is changing or being discontinued. PCNs are the early warning system for obsolescence. But 52% of 2025 EOL events shipped with no PCN at all (Z2Data), so risk must be inferred, not just read.
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.