The PKM4817LNH from Flex Power Modules is a DC to DC Converter with Input Voltage 45 to 60 V, Output Voltage 1 11 V, Output Current 1 80 A, Output Power 820000 mW, Isolation Voltage 750 to 2250 Vdc. Tags: Through Hole, Buck/Step down. More details for PKM4817LNH can be seen below.