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DESCRIPTION

The IL256AT is an AC input phototransistor optocoupler. The

device consists of two infrared emitters connected in reverse

parallel and coupled to a silicon NPN phototransistor

detector.

These circuit elements are constructed with a standard

SOIC-8 foot print.

The product is well suited for telecom applications such as

ring detection or off/on hook status, given its bidirectional

LED input and guaranteed current transfer ratio (CTR)

minimum of 20 at IF = 10 mA.

FEATURES

? Guaranteed CTR symmetry, 2:1 maximum

? Bidirectional AC input industry standard

SOIC-8 Surface mountable package

? Isolation test voltage, 4000 VRMS

? Standard lead spacing, 0.05

? Available only on tape and reel (conform to EIA

standard RS481A)

? Lead (Pb)-free component

? Component in accordance to RoHS 2002/95/EC and

WEEE 2002/96/EC

APPLICATIONS

? Telecom applications ring detection

AGENCY APPROVALS

? UL1577, file no. E52744 system code Y

? CUL - file no. E52744, equivalent to CSA bulletin 5A

? DIN EN 60747-5-2 (VDE 0884) available with option 1