The TDR 2-0522 from Traco Power is a DC to DC Converter with Input Voltage 4.5 to 9 V, Output Voltage 1 12 V, Output Current 1 0.083 A, Output Power 2 W, Output Voltage 2 -12 V. Tags: Through Hole, Buck-Boost. More details for TDR 2-0522 can be seen below.