The Hidden Traps of Turnkey PCB Assembly: A Manufacturer’s Guide to Scaling from Prototype to Production
You’ve spent months designing your hardware. Your breadboard works. Your 5-piece prototype, hand-soldered or assembled by a quick-turn shop, powers on perfectly. You feel ready for mass production. Then reality hits. Your Turnkey PCBA (Printed Circuit Board Assembly) vendor flags 15 components on your BOM as “NRND” (Not Recommended for New Design) or with 40-week
