IL221AT Datasheet, Vishay

A 1 C 2 NC 3 NC 4 8 NC 7 B 6 C 5 E
* Isolation test voltage, 4000 VRMS
* Industry standard SOIC-8 surface mountable package
* Standard lead spacing, 0.05" <.

In addition to eliminating through-hole requirements, this package conforms to standards for surface mount devices. AG.

The IL221AT/IL222AT/IL223AT is a high current transfer ratio (CTR) optocoupler with a gallium arsenide infrared LED emitter and a silicon NPN photodarlington transistor detector. The device has a CTR tested at 1.0 mA LED current. This low drive curre.