The SRSB-80T12C from Bel Fuse is a DC to DC Converter with Input Voltage 45 to 55 V, Output Voltage 1 12 V, Output Current 1 8300 mA, Output Power 100000 mW, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Buck/Step down. More details for SRSB-80T12C can be seen below.