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IL256AT
Optocoupler, Phototransistor Output, AC Input, With Base Connection
IL256ATDocument Number 83620
www.vishay.com
Optocoupler, Phototransistor Output, AC Input, With Base
Connection
Features Guaranteed CTR Symmetry, 2:1 Maximum Bidirectional AC Input Industry Standard SOIC-8
Surface Mountable Package Standard Lead Spacing, .05 " Available only on Tape and Reel (Conform to EIA
Standard RS481A)
Agency Approvals UL File #E52744 System Code Y CSA 93751 DIN EN 60747-5-2(VDE0884)
DIN EN 60747-5-5 pending
Available with Option 1 FIMKO
ApplicationsTelecom applications ring detection
DescriptionThe IL256A is an AC input phototransistor optocou-
pler. The device consists of two infrared emitters con-
nected in reverse parallel and coupled to a silicon
NPN phototransistor detector.
These circuit elements are constructed with a stan-
dard SOIC-8 foot print.
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
