Organic Solderability Preservative

OSP (Organic Solderability Preservative) is a lead‑free, RoHS‑compliant organic coating applied to exposed copper pads on printed circuit boards to prevent oxidation and preserve solderability before SMT assembly. This guide explains PCB OSP surface finish in full: process, pros, cons, storage, assembly, comparisons, and best practices for industrial electronics manufacturing. What Is PCB Surface Finish?…

OSP (Organic Solderability Preservative) is a lead‑free, water‑based organic coating applied to exposed copper pads on printed circuit boards to prevent oxidation and ensure reliable soldering for SMT assembly. This complete guide covers definition, process, pros & cons, comparisons, storage, assembly best practices, and ideal applications for global engineers and buyers. What Is PCB Surface…