CNX83A300W

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Optoisolators are electronic devices that use a light-emitting diode (LED) and a phototransistor to optically isolate a signal from a controller to a load. The CNX83A300W is a high-speed, transistor output optoisolator with superior common mode noise immunity and excellent data transfer characteristics. It contains many characteristics that make CNX83A300W a great choice for designs that require protection for sensitive electronic components in industrial, automotive, and communication applications.

Application Field

The CNX83A300W has multiple applications including use as a signal link between a microprocessor and its peripherals, a logic output circuit, and a circuit for switching the power of a load. In addition, thanks to its high common mode noise immunity, it is suitable for use in power supply and stepper motor applications. This optoisolator is well suited for applications in industrial and automotive electronics, as well as communication systems. Its advanced features make it a great choice for engineers who need to protect sensitive electronic components from large voltage changes or sudden electrical surges.

Working Principle

The basic principle behind all optoisolators is the use of a light-emitting diode (LED) and a phototransistor. When an electrical signal is applied to the LED, it emits light which is then detected by the phototransistor. This causes the phototransistor to conduct, allowing current to flow from its collector to its emitter. This current can be used to drive a load in the same way as a regular transistor. The insulation provided by the light source and the phototransistor provides electrical isolation between the input and output of the device, protecting the sensitive components of the load from voltage changes or electrical surges.

In the case of the CNX83A300W, the LED and the phototransistor are connected in series with each other to create a high-speed, transistor output optoisolator. This means that the device can switch at higher frequencies than other optoisolators, and also provides superior common mode noise immunity. The device also features a double-shielded structure with a Faraday shield and a baseplate, as well as an advanced thin film process, which allows it to achieve high performance in terms of data transfer and insulation.

The CNX83A300W is a great choice for any design requiring electrical isolation and reliable data transfer. Its high-speed performance, common mode noise immunity and thin film process make it an ideal choice for industrial, automotive and communication applications. It is also a great choice for engineers who need to protect sensitive electronic components from large voltage changes or sudden electrical surges.

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