Hongfa hfd3 2a subminiature pcb mount signal relays dpdt hongfa hfd3012 l2s a subminiature pcb signal relay with a 12v dc coil switching capacity of 2a and a dpdt contact configuration the relay is of the 2 coils latching type and has smt type terminals hongfa hfd3012 l2s pcb mount relay 12v dc dpdt 2 coils latching smt term