The TEN 40-1220 from Traco Power is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 3.3 V, Output Current 1 8 A, Output Power 40 W, Output Voltage 2 5 V. Tags: Through Hole, Buck/Step down. More details for TEN 40-1220 can be seen below.