The PH300A280-48 from TDK Corporation is a DC to DC Converter with Input Voltage 19.2 to 57.6 V, Output Voltage 1 48 V, Output Current 1 6300 mA, Output Power 302400 mW, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck-Boost. More details for PH300A280-48 can be seen below.