The TEN 40-4812WIR from Traco Power is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 12 V, Output Current 1 3.333 A, Output Power 40 W, Isolation Voltage 1.6 to 3 kV. Tags: Through Hole, Buck/Step down. More details for TEN 40-4812WIR can be seen below.