The TMR 12-1211WI from Traco Power is a DC to DC Converter with Input Voltage 4.5 to 18 V, Output Voltage 1 5.1 V, Output Current 1 2.4 A, Output Power 12 W, Isolation Voltage 1.6 kV. Tags: Through Hole, Buck-Boost. More details for TMR 12-1211WI can be seen below.