The DETN01N-12-SC from Mean Well is a DC to DC Converter with Input Voltage 21.6 to 26.4 V, Output Voltage 1 12 V, Output Current 1 4.2 to 42 mA, Output Power 1000 mW, Output Voltage 2 -12 V. Tags: Surface Mount, Buck/Step down. More details for DETN01N-12-SC can be seen below.