For secure retention of #2450 lithium coin cells with low profile holders, the company’s latest polarized coin cell holders feature dual-spring contacts and are available on tape and reel (Part #1054TR) and in bulk (Part #1054). Useable with most vacuum and mechanical pick-and-place assemblies, they employ 0.2-mm thick phosphor bronze, gold plate over a glass-filled LCP base, carrying a UL 94V-0 rating. Tape-and-reel parts come on 13” reels with polystyrene carriers meeting ANSI/EIA-481 standards to hold 450 parts on 24-mm pitch, 44-mm wide tapes. For more details, call KEYSTONE ELECTRONICS CORP. Astoria, NY. (800) 221-5510.