The 4690-S05.2 from Modular Devices is a DC to DC Converter with Input Voltage 16 to 50 V, Output Voltage 1 5.1 to 5.3 V, Output Current 1 0.048 to 0.48 A, Output Power 2500 mW, Isolation Voltage 100 to 500 Vdc. Tags: Through Hole, Module. More details for 4690-S05.2 can be seen below.