The BMR457XX05/001 from Flex Power Modules is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 12 V, Output Current 1 22 A, Output Power 251000 to 264000 mW, Isolation Voltage 750 to 2250 Vdc. Tags: Through Hole, Surface Mount, Buck/Step down. More details for BMR457XX05/001 can be seen below.