QFN
What does QFN mean in a BOM?
A surface-mount IC package with connection pads under the body and no extended leads. The same die often ships in several packages, and package is part of the orderable part number, so it constrains alternates.
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.