The TDR 2-1212WISM from Traco Power is a DC to DC Converter with Input Voltage 4.5 to 18 V, Output Voltage 1 12 V, Output Current 1 0.167 A, Output Power 2 W, Isolation Voltage 1.6 kV. Tags: Surface Mount, Buck-Boost. More details for TDR 2-1212WISM can be seen below.