1. Optocoupler, Phototransistor Output, with Base Connection — Vishay|
This datasheet presents five families of Vishay industry standard single channel phototransistor couplers. These families include the 4N35, 4N36, 4N37, 4N38 couplers. Each optocoupler consists of gallium arsenide infrared LED and a silicon NPN phototransistor. These couplers are Underwriters Laboratories (UL) listed to comply with a 5000 VRMS isolation test voltage. 7 pages.
2. MOC3020 - MOC3023 Optocouplers/Optoisolators|
Texas Instrument. 8 pages.