MOC8100SM

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Optoisolators are electronic components that use light for isolation between two circuits. They are used to electrically isolate an input signal from an output circuit while providing electrical insulation between them. The MOC8100SM Photocoupler is a transistor output type of optoisolator that combines an infrared light-emitting diode with a phototransistor in a plastic 4-pin dual-inline package. This device is designed to declare an output low when the light emitted by the infrared LED is removed from the phototransistor. The MOC8100SM application field and working principle can be classified as follows:

Application Fields

• AC Line Protection
• Data Transmission
• Industrial Control Systems
• Lighting Control Systems

Working Principle

When a voltage is applied to the inputs of the MOC8100SM, the LED emits a light that is detected by the phototransistor. This causes a current to flow in the collector-emitter circuit of the phototransistor that reflects the switch state of the circuit. The MOC8100SM can detect small changes in light intensity and has a high speed response of 14 microseconds. This response is important when controlling systems that require fast reactions and responses.

The MOC8100SM is designed to operate in normal mode where the LED and phototransistor both remain on all the time. In this mode, the LED is usually used as the input to the device, and the phototransistor is the output. If the light emitted from the LED is removed from the phototransistor, then the output of the phototransistor will become low. This will cause the output to switch off. The device can also operate in a latching configuration where the LED and phototransistor can be switched on and off independently. In this configuration, the LED is used as the input and the phototransistor is used as the output.

The MOC8100SM provides an effective isolation between the input and output circuits. This is achieved through the use of an optical isolator, which prevents electrical signals from being passed between the two circuits. This allows the MOC8100SM to provide insulation that is not affected by electric noise, power supply current surges, or a short circuit.

The MOC8100SM provides a reliable means of isolating input and output circuits that require high accuracy and reliability. This device is used in a variety of applications where accurate and reliable isolation is required, including AC line protection, data transmission, industrial control systems, and lighting control systems.

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