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IPC Class 2 vs Class 3 Decision Helper
“Industrial” does not automatically mean Class 3 — the deciding factor is the consequence of failure, not the label. Answer three questions for an honest recommendation.
1. If this board fails in service, can it cause a safety hazard or injury?
YesNo2. Is unplanned downtime essentially unacceptable (continuous process, no redundancy)?
YesNo3. Will it run in a harsh environment (high vibration, wide temperature, corrosive)?
YesNo
Request a class recommendation for your design →
Guidance only, based on IPC-A-610 / IPC-6012 class definitions. PCBark documents the recommended class against your operating conditions so it survives an audit.
