The BCM48BT040T200B00 from Vicor is a DC to DC Converter with Input Voltage 38 to 55 V, Output Voltage 1 4 V, Output Current 1 53 to 75 A, Output Power 200 to 300 W, Isolation Voltage 2250 V. Tags: Through Hole, Buck/Step down. More details for BCM48BT040T200B00 can be seen below.