The THN 20-2423 from Traco Power is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 15 V, Output Current 1 0.667 A, Output Power 20 W, Output Voltage 2 -15 V. Tags: Through Hole, Buck/Step down. More details for THN 20-2423 can be seen below.