Summary
High Speed Transistor Optocouplers
Description
The HCPL4502, HCPL2503, 6N135, 6N136, HCPL2530 and HCPL2531 optocouplers consist of an AlGaAs LED optically coupled to a high speed photodetector transistor.
Source title
6N135 Datasheet(PDF) - Fairchild Semiconductor