4N35 Optocoupler

The 4N35 is a type of optocoupler, which is an electronic device that enables electrical isolation between input and output circuits. It provides electrical isolation by using an LED (Light Emitting Diode) to transfer a control signal from the input side to the output side, where it is detected by a phototransistor.

The 4N35 is a 6-pin DIP (dual in-line package) optocoupler and is commonly used in a variety of applications, including interfacing between digital circuits and analog circuits, isolating low-level control signals from high-power or high-voltage signals, and providing protection against electrical noise.

This optocoupler has a very fast response time, low input current requirements, and high voltage isolation. It is also very reliable and widely used in many industrial, commercial, and consumer applications. Featured By RoboticsBD.

Product Images are shown for illustrative purposes only and may differ from the actual product.

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Applications:

1. Isolation of low-level control signals: The 4N35 optocoupler can be used to isolate low-level control signals from high-power or high-voltage signals. This provides protection for sensitive control circuits from electrical noise, surges, or other disturbances.

2. Interfacing between digital and analog circuits: The 4N35 optocoupler can be used to interface between digital circuits and analog circuits, allowing them to communicate with each other while maintaining electrical isolation.

3. Motor control: The 4N35 optocoupler can be used in motor control applications to provide isolation between the control circuit and the power circuit, helping to prevent electrical noise from affecting the control signals.

4. Power supply regulation: The 4N35 optocoupler can be used in power supply regulation applications to provide isolation between the control circuit and the power circuit, helping to prevent electrical noise from affecting the control signals.

5. Protection against electrical noise: The 4N35 optocoupler can be used in applications where electrical noise is a concern, such as in data communication systems, to provide electrical isolation and protect the control signals from interference. This helps to improve the signal-to-noise ratio and overall performance of the system.

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Features:

1. Gallium-Arsenide-Diode Infrared Source Optically Coupled to a Silicon npn Photo-transistor
2. High Direct-Current Transfer Ratio
3. High-Voltage Electrical Isolation 1.5-kV, 2.5-kV, or 3.55-kV Rating
4. High-Speed Switching tr = 7 µs, tf = 7 µs Typical
5. Input-to-output peak voltage (8-ms half sine wave)4N35= 3.55 kV
6. Input-to-output root-mean-square voltage (8-ms half sine wave)4N35= 2.5 kV
7. Collector-base voltage=70 V
8. Collector-emitter voltage=30 V
9. Emitter-base voltage=7 V
10. Input-diode reverse voltage=6 V
11. Input-diode forward current: Continuous 60 mA
12. Typical Applications Include Remote Terminal Isolation, SCR and Triac Triggers, Mechanical Relays and Pulse Transformers

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Please allow 5% measuring deviation due to manual measurement.

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Documentation:

1. Datasheet

Package Includes:

1 x 4N35 Optocoupler