The TDR 3-1223WI from Traco Power is a DC to DC Converter with Input Voltage 4.5 to 18 V, Output Voltage 1 15 V, Output Current 1 0.1 A, Output Power 3 W, Output Voltage 2 -15 V. Tags: Through Hole, Buck-Boost. More details for TDR 3-1223WI can be seen below.