REL61 is ideally suited for competitive industries which need a lower cost, enhanced durability alloy.  REL61 has repeatedly demonstrated reliability gains over SAC305 and other low/no silver alloys in thermal cycling performance such as LED lighting, in-cabin automotive electronics and high power applications. REL61 provides the electronics assembly marketplace a low cost alternative to SAC alloys that has the reliability and performance characteristics equal to or greater than SAC305 and other low/no-silver solder alloys.