The TSM 2415D from Traco Power is a DC to DC Converter with Input Voltage 21.6 to 26.4 V, Output Voltage 1 15 V, Output Current 1 0.033 A, Output Power 1 W, Output Voltage 2 -15 V. Tags: Surface Mount, Buck/Step down. More details for TSM 2415D can be seen below.