Discrete Electronic Components, ICs, Optocoupler
4N35 (Original) 6-Pins Optocoupler Darligton Photo Isolator IC
• Isolation test voltage 5000 VRMS
• Interfaces with common logic families
• Input-output coupling capacitance < 0.5 pF
• Industry standard dual-in-line 6 pin package
• AC mains detection
• Reed relay driving
• Switch mode power supply feedback
• Telephone ring detection
• Logic ground isolation
• Logic coupling with high frequency noise rejection
Availability:
Out of stock
₨ 40
Out of stock
4N35 is an optocoupler integrated circuit in which an infrared emitter diode drives a phototransistor. They are also known as opto-isolators since they separate two circuits optically. These are used to couple two circuits without any ohmic contact. They allow one of the circuits to switch another one while they are completely separate. The first circuit is connected to IR diode while the other circuit with the phototransistor. The isolation ensures that no damage occurs in either of the circuits while the other one has a fault.
An optocoupler is analogous to a relay which isolates two circuits magnetically. They differ with relays in the sense that they are smaller in size and allow fast operation. 4N35s are commonly used in interfacing an electronic circuit with the parallel port of a computer.
Pin Diagram:
Pin Description:
|
Pin No
|
Function
|
Name
|
|
1
|
IR diode’s anode
|
Anode
|
|
2
|
IR diode’s cathode
|
Cathode
|
|
3
|
Not connected
|
NC
|
|
4
|
Phototransistor’s emitter
|
Emitter
|
|
5
|
Phototransistor’s collector
|
Collector
|
|
6
|
Phototransistor’s base
|
Base
|
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