The 8690-S12 from Modular Devices is a DC to DC Converter with Input Voltage 55 to 90 V, Output Voltage 1 11.9 to 12.1 V, Output Current 1 0.541 A, Output Power 6500 mW, Isolation Voltage 100 to 500 Vdc. Tags: Through Hole, Module. More details for 8690-S12 can be seen below.