The CQS48033-45 from Cosel is a DC to DC Converter with Input Voltage 36 to 76 V, Output Voltage 1 3.3 V, Output Current 1 45 A, Output Power 148500 mW, Isolation Voltage 1500 Vdc. Tags: Through Hole, Buck/Step down. More details for CQS48033-45 can be seen below.