The 7690-T3.3/5 from Modular Devices is a DC to DC Converter with Input Voltage 30 to 75 V, Output Voltage 1 ±5.1 V, Output Current 1 0.075 to 0.75 A, Output Power 3750 mW, Isolation Voltage 100 to 500 Vdc. Tags: Through Hole, Module. More details for 7690-T3.3/5 can be seen below.