The CHB300W-48S48 from Cincon Electronics is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 48 V, Output Current 1 6250 mA, Output Power 300000 mW, Isolation Voltage 1500 V. Tags: Through Hole, Buck-Boost. More details for CHB300W-48S48 can be seen below.