The PKM4613NH 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 50 A, Output Power 600000 mW, Isolation Voltage 750 to 2250 Vdc. Tags: Through Hole, Buck/Step down. More details for PKM4613NH can be seen below.