The BMR457XX11/017 from Flex Power Modules is a DC to DC Converter with Input Voltage 40 to 60 V, Output Voltage 1 6.9 to 13.2 V, Output Current 1 25 A, Output Power 296000 mW, Isolation Voltage 750 to 2250 Vdc. Tags: Through Hole, Surface Mount, Buck/Step down. More details for BMR457XX11/017 can be seen below.