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CNY74-4 IC – 4-Channel Optocoupler with Phototransistor IC

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The CNY74-4 consist of a photo transistor optically coupled to a gallium arsenide infrared-emitting diode in an 8-lead, resp. 16-lead plastic dual inline package. The elements are mounted on one lead frame using a co planar technique, providing a fixed distance between input and output for highest safety requirements.


• CNY74-4 includes 4 isolator channels

• DC isolation test voltage VIO = 2.5 kV

• Test class 25/100/21 DIN 40 045

• Low coupling capacitance of typical 0.3 pF

• Current Transfer Ratio (CTR) of typical 100%

• Low temperature coefficient of CTR

• Wide ambient temperature range

Applications:- Galvanically separated circuits, non-interacting switches.


Symbol Parameter Value Unit
VR Reverse voltage 6 V
IF Forward current 60 mA
IFSM Surge current 1.5 A
PV Power dissipation 100 mW
VCEO Collector-emitter breakdown voltage 70 V
VEBO Emitter-base breakdown voltage 7 V
IC Collector current 100 mA
TJ Junction temperature 125 °C
ICM Peak collector current 100 mA

* product image for illustration purposes only. actual product may vary.


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