The TMR 1-4811 from Traco Power is a DC to DC Converter with Input Voltage 36 to 75, Output Voltage 1 5 V, Output Current 1 0.2 A, Output Power 1 W, Isolation Voltage 1.5 kV. Tags: Through Hole, Buck/Step down. More details for TMR 1-4811 can be seen below.