The TRI 1-1223SM from Traco Power is a DC to DC Converter with Input Voltage 10.8 to 13.2 V, Output Voltage 1 15 V, Output Current 1 33 mA, Output Power 1 W, Output Voltage 2 -15 V. Tags: Surface Mount, Buck-Boost. More details for TRI 1-1223SM can be seen below.