The THM 20-4822WI from Traco Power is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 12 V, Output Current 1 0.833 A, Output Power 20 W, Output Voltage 2 -12 V. Tags: Through Hole, Buck/Step down. More details for THM 20-4822WI can be seen below.