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50 SMT007 MAGAZINE I JUNE 2026 BY E BA D R E H M A N , M AC D E R M I D A L P H A E L ECT RO N I C S S O LU T I O N S A RT I C L E Rising cost pressure and metals market uncertainty are prompting manufacturers to rethink alloy composition to balance total cost of owner- ship, process yield, and mechanical performance. Solder alloy selection directly influences cost structure, process stability, and long term reli- ability in electronics assembly. As manufacturing scales and product requirements advance, these decisions are increasingly revisited with a more focused objective: aligning materials with how products are built, processed, and used in real world conditions. Silver-containing alloys have long served as a standard in lead-free assembly, supported by established performance and process familiarity. What is changing is how their role is being evaluat- RIGHT-SIZING SILVER An Application-driven Approach to Engineering Reliability