4N35 Optocoupler Optoisolator NPN Phototransistor

4N35 Optocoupler is a 1-channel 6-pin Phototransistor Output Optocoupler with base connection. The optocoupler consists of gallium arsenide infrared LED and a silicon NPN phototransistor.

QTC 4N35 is an optocoupler integrated circuit in which an infrared emitter diode drives a phototransistor.

4N35 Optocoupler are also known as Optoisolator since they separate two circuits optically. These are used to couple two circuits without any ohmic contact.

IC 4N35 allow one of the circuits to switch another one while they are completely separate.

The first circuit 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.

4N35 is an optocoupler integrated circuit in which an infrared emitter diode drives a phototransistor. They are also known as optoisolators since they separate two circuits optically. These are used to couple two circuits without any ohmic contact.

IC 4N35 is an optocoupler that consists of a gallium arsenide infrared LED and a silicon NPN phototransistor.

The absolute max is about 1.7 Volts at -55 °C, according to the ELECTRICAL CHARACTERISTICS table.

When the input signal is applied to the LED in the input terminal, the LED lights up. After receiving the light signal, the light receiver then converts it into electrical signal and outputs the signal directly or after amplifying it into a standard digital level.

4N35 is a 4-terminal universal photocoupler (referred to as “optocoupler”), its function is to block the electrical connection between the signal source and the signal receiver, which can effectively block the electrical connection and interference.

4N35 is an optocoupler IC in which an infrared emitter diode drives a phototransistor. They are also known as Optoisolator since they separate two circuits optically.

Features: –

• 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
• Compliant to RoHS directive 2002/95/EC and in accordance to WEEE 2002/96/EC

4N35 Optocoupler Specifications: –

• Number of Channels: 1 Channel
• Maximum Collector-Emitter Voltage: 30V
• Forward Current: 100mA
• Forward Voltage: 1.5V
• Reverse Voltage: 6V
• Isolation Voltage: 5300 Vrms
• Operating Temperature: -55 to 100 Degree C
• Power dissipation: 250 mW

4N35 Optocoupler Applications: –

• AC mains detection
• Reed relay driving
• Switch mode power supply feedback
• Telephone ring detection
• Logic ground isolation
• Logic coupling with high frequency noise rejection

4N35 Optocoupler Pin Description: –

Package: –

1 x IC 4N35 Optocoupler Optoisolator NPN Phototransistor

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