The unique design allows the SNAPHAT battery package to be mounted on top of the SOIC package after the completion of the surfacemount process. Insertion of the SNAPHAT housing after reflow prevents potential battery damage due to the high temperatures required for device surface-mounting. The SNAPHAT housing is keyed to prevent reverse insertion. The SNAPHAT battery package is shipped separately in plastic anti-static tubes or in Tape & Reel form. The part number is "M4Z32-BR00SH1.