The 4690A-D15 from Modular Devices is a DC to DC Converter with Input Voltage 16 to 40 V, Output Voltage 1 ±15.1 V, Output Current 1 ±0.0083 to 0.083 A, Output Power 2500 mW, Isolation Voltage 100 to 500 Vdc. Tags: Through Hole, Module. More details for 4690A-D15 can be seen below.