The TRN 3-2423SM from Traco Power is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 15 V, Output Current 1 0.1 A, Output Power 3 W, Output Voltage 2 -15 V. Tags: Surface Mount, Buck/Step down. More details for TRN 3-2423SM can be seen below.