The TDR 2-2411 from Traco Power is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 5 V, Output Current 1 0.4 A, Output Power 2 W, Isolation Voltage 1.6 kV. Tags: Through Hole, Buck/Step down. More details for TDR 2-2411 can be seen below.