The STMGFS80483R3 from Cosel is a DC to DC Converter with Input Voltage 18 to 76 V, Output Voltage 1 3.3 V, Output Current 1 18 A, Output Power 59400 mW, Isolation Voltage 1500 Vdc. Tags: Chassis Mount, Buck/Step down. More details for STMGFS80483R3 can be seen below.