The TMR 3-1211HI from Traco Power is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 5 V, Output Current 1 0.6 A, Output Power 3 W, Isolation Voltage 3 kV. Tags: Through Hole, Buck/Step down. More details for TMR 3-1211HI can be seen below.