IPC Class 2 vs Class 3 — Which Build Class Do You Need?

The Capability-Class Ladder, made practical. Answer three questions; see the acceptance criteria that actually differ.

End-use environment Consequence of a single field failure Is a build class contractually required?

Acceptance criteria per IPC-A-610 / IPC-6012. PCBark builds and inspects to both Class 2 and Class 3; a bare board must independently meet its class.