The PKB4718LC from Flex Power Modules is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 0.96 to 1.32 V, Output Current 1 60 A, Output Power 72000 mW, Isolation Voltage 750 to 1500 Vdc. Tags: Through Hole, Surface Mount, Buck/Step down. More details for PKB4718LC can be seen below.