The TRN 3-1215SM from Traco Power is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 24 V, Output Current 1 0.125 A, Output Power 3 W, Isolation Voltage 1.6 kV. Tags: Surface Mount, Boost/Step Up. More details for TRN 3-1215SM can be seen below.