The SPDFCBK-16G from Bel Fuse is a DC to DC Converter with Input Voltage -40 to -72 V, Output Voltage 1 12 V, Output Current 1 33000 mA, Output Power 400000 mW, Operating Temperature -5 to 55 Degree C. Tags: Rack Mount, Boost/Step Up. More details for SPDFCBK-16G can be seen below.