The PSR122.5-9 from Bel Fuse is a DC to DC Converter with Input Voltage 15 to 80 V, Output Voltage 1 12 V, Output Current 1 2500 mA, Output Power 30000 mW, Operating Temperature -40 to 71 Degree C. Tags: Through Hole, Buck/Step down. More details for PSR122.5-9 can be seen below.