Acceptable "reject rate" for hand assembly

What is an What is an acceptable "reject rate" for a total hand assembly, through hole operation line. I have established a less than .10% of all total hand placed through hole components for our load room. We are a small low volume, high mix firm, using through hole boards, wave soldered. Is this a reasonable level to expect from our process?

Robert Bartolotta

Expert Panel Responses

Typical first pass yield on hand assembly is 5000 ppm.

Dr. Craig D. Hillman
CEO & Managing Partner
DfR Solutions

Dr. Hillman's specialties include best practices in Design for Reliability, strategies for transitioning to Pb-free, supplier qualification, passive component technology and printed board failure mechanisms.

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