The THN 20 Series from Traco Power is a DC to DC Converter with Input Voltage 9 to 75 V, Output Voltage 1 3.3 to 15 V, Output Current 1 0.667 to 4.5 A, Output Power 20 W, Output Voltage 2 -15 to -12 V. Tags: Through Hole. More details for THN 20 Series can be seen below.