Keystone Electronics (Astoria, NY) has introduced a new selection of polarized SMT and THM CR2 and CR123A lithium battery holders. With polarized contacts, these holders accommodate all CR2 or CR123A batteries from major manufacturers. Equipped with heat-resistant Nylon housings, these are suitable for traditional soldering and reflow processing. Surface mount types feature gold-plated phosphor bronze contacts, assuring low contact resistance and superior solder joints where lead-free soldering or reflow processes are employed. Thru-hole mount versions are equipped with tin-plated phosphor bronze contacts. Applications include OEM photographic, medical, consumer, and industrial electronics.