The THR 3-7222WI from Traco Power is a DC to DC Converter with Input Voltage 40 to 160 V, Output Voltage 1 12 V, Output Current 1 0.125 A, Output Power 3 W, Output Voltage 2 -12 V. Tags: Through Hole, Buck/Step down. More details for THR 3-7222WI can be seen below.