onsemi, MCT62SD Phototransistor Output Dual Optocoupler, Surface Mount, 8-Pin SMT

The MCT6X optocouplers have two channels for density applications. For four channel applications, two packages fit into a standard 16-pin DIP socket. Each channel is an NPN silicon planar phototransistor optically coupled to a gallium arsenide infrared emitting diode.

Two isolated channels per package
Two packages fit into a 16 lead DIP socket
Choice of 3 current transfer ratios