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IL221AT-IL222AT-IL223AT
Optocoupler, Photodarlington Output, Low Input Current, High Gain, With Base Connection
IL221AT/ 222AT/ 223ATDocument Number 83617
www.vishay.com
Optocoupler, Photodarlington Output, Low Input Current, High
Gain, With Base Connection
Features Isolation test voltage, 3000 V RMS Industry Standard SOIC-8 surface mountable
package Standard Lead Spacing, .05 " Available only on tape and reel (conforms to EIA
Standard RS481A) Compatible with dual wave, vapor phase and IR
reflow soldering
Agency Approvals UL - File No. E52744 System Code Y DIN EN 60747-5-2(VDE0884)
DIN EN 60747-5-5 pending
Available with Option 1 FIMKO
DescriptionThe IL221AT/ IL222AT/ IL223AT is a high current
transfer ratio (CTR) optocoupler with a gallium ars-
enide infrared LED emitter and a silicon NPN photo-
darlington transistor detector.
The device has a CTR tested at 1.0 mA LED current.
This low drive current permits easy interfacing from
CMOS to LSTTL or TTL.
Absolute Maximum RatingsTamb = 25 °C, unless otherwise specified
Stresses in excess of the absolute Maximum Ratings can cause permanent damage to the device. Functional operation of the device is
not implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute
Maximum Rating for extended periods of the time can adversely affect reliability.
Input