The PSA123-2 from Bel Fuse is a DC to DC Converter with Input Voltage 15 to 40 V, Output Voltage 1 12 V, Output Current 1 3000 mA, Output Power 36000 mW, Operating Temperature -40 to 71 Degree C. Tags: Through Hole, Buck/Step down. More details for PSA123-2 can be seen below.