The 1503 12 is a 2-pole Mono Jack Chassis Socket, 15 series, angular version with break contact for printed circuit boards (PCBs) and back side mounting. UL94 flame-rated polyoxymethylene (POB) insulating body, nickel-plated contacts. The 15 series socket is suitable for use with 1532 06, KLS 2, KLS 22 and WKLS 2 jack plug. Designed according to JIS C 6560 JC35J2B standards.