The GP2101-9RG from Bel Fuse is a DC to DC Converter with Input Voltage 21.6 to 50.4 V, Output Voltage 1 3.3 V, Output Current 1 20000 mA, Output Power 157000 mW, Output Voltage 2 5.1 V. Tags: Chassis Mount, Buck/Step down. More details for GP2101-9RG can be seen below.