The PKM4717BNH from Flex Power Modules is a DC to DC Converter with Input Voltage 40 to 60 V, Output Voltage 1 10.8 V, Output Current 1 70 A, Output Power 756000 mW, Isolation Voltage 750 to 2250 Vdc. Tags: Through Hole, Buck/Step down. More details for PKM4717BNH can be seen below.