The 224-1W-4823 from Vigortronix is a DC to DC Converter with Input Voltage 18 to 72 V, Output Voltage 1 12 V, Output Current 1 4 to 42 mA, Output Power 1000 mW, Output Voltage 2 -12 V. Tags: Through Hole, Buck/Step down. More details for 224-1W-4823 can be seen below.