The QME48T30057-NGB0GA from Bel Fuse is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 5.7 V, Output Current 1 30000 mA, Output Power 171000 mW, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck/Step down. More details for QME48T30057-NGB0GA can be seen below.