TE Connectivity RT Series PCB Power Relays Bistable – TE Connectivity 8-1393239-7, An SPDT dual coil 16A 12V DC general purpose latching relay. Typical applications include battery-operated devices and applications with a memory function (e.g. in case of power failure). TE Connectivity RT314F12 SPDT PCB Relay 12VDC 16A Latching Dual Coil