The 66095-003 from Micropac Industries is a Space Qualified Optocoupler with Forward Voltage 0.7 to 1.7 V, Isolation Voltage 1000 V, On-State Collector Current 2 to 3mA, Power Consumption 300 mW(Power Dissipation), Resistance 10 Ohms. Tags: Surface Mount. More details for 66095-003 can be seen below.