The TRN 1-4811SM from Traco Power is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 5 V, Output Current 1 0.2 A, Output Power 1 W, Isolation Voltage 1.6 kV. Tags: Surface Mount, Buck/Step down. More details for TRN 1-4811SM can be seen below.