The THM 3-1212 from Traco Power is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 12 V, Output Current 1 0.25 A, Output Power 3 W, Isolation Voltage 5 kV. Tags: Through Hole, Buck-Boost. More details for THM 3-1212 can be seen below.