CNY17-2X

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Optoisolators are semiconductor devices that use light to provide electrical isolation, break ground loops, and improve noise immunity in electrical circuits. Transistor, photovoltaic output (CNY17-2X) optoisolators are specially designed for AC (alternating current) and DC (direct current) applications. This type of optoisolator has a phototransistor output that can act as either a switch or an amplifier depending on the application.

CNY17-2X optoisolators have a clear plastic package with a built-in photo-Darlington transistor. On the exterior of the package there is a pair of angled slots to allow the light to be activated and deactivated. The active element in the optoisolator is an infrared light emitting diode, LED, that is encased in a filter to make sure that it is sensitive to a particular wavelength. When the LED is activated, the infrared light emitted is absorbed by the phototransistor, causing it to generate a voltage.

The CNY17-2X optoisolator has an LED current of 15 mA which is ideal for AC and DC applications. This LED current range is low enough to provide reliable electrical isolation and yet allows for current switching with a minimum of power consumption. The phototransistor also features a low saturation voltage that ranges from 0.6V to 0.9V depending on the output voltage and collector-emitter current. This low saturation voltage allows for high speed switching operation. The phototransistor also has a moderate gain and a relatively fast response time.

The CNY17-2X optoisolator is available in various package sizes and has a wide range of voltage and current ratings. The most common ratings are 400V, 500V, and 1000V from 30mA to 1A. The optoisolator also meets various industry and IEC standards for safety and reliability. Its small size and light weight make it well suited for use in low profile and miniature equipment.

The main applications of the CNY17-2X optoisolator are for isolating electronic signals from electrical noise, for breaking ground loops, and for setting up galvanic isolation. The optoisolator can be used in numerous industrial control applications such as AC and DC motor controls, factory automation, test and instrumentation equipment, power supplies, and industrial communication. It is also suitable for various medical equipment, telecommunication, and aerospace applications.

The working principle of the CNY17-2X optoisolator is relatively simple. When the LED is activated, the infrared light emitted is absorbed by the phototransistor, causing it to generate a voltage. This voltage is then applied to the base of the phototransistor. This in turn causes it to conduct electricity, thereby isolating the electrical signal and providing electrical isolation.

The CNY17-2X optoisolator is an efficient and reliable device with many advantages such as low LED current, low saturation voltage, fast switching speeds, and excellent isolation characteristics. It is easy to use and has a wide range of applications, making it ideal for various AC and DC applications. It is an economical solution for providing reliable electrical isolation in a wide range of industrial, medical, telecommunication, and aerospace applications.

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