CNY17-2X007

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Optoisolators, also known as optical couplers or optical isolators, are used to provide electrical isolation between two input/output circuits while allowing them to communicate with light. The CNY17-2X007 is a type of transistor-photovoltaic output optoisolator. It is used for applications such as isolation of sensitive logic circuits and anti-parallel diode protection of single-phase brushless dc motors.

The CNY17-2X007 consists of an infrared light emitting diode (LED) and an NPN silicon phototransistor, mounted in a plastic case with flat faces on both ends. The LED is connected between pins 1 and 2 of the device. When current is passed through the LED, it emits light which is picked up by the phototransistor. This causes the phototransistor to switch on, allowing current to flow between pins 3 and 4. This process happens instantaneously, hence providing fast and accurate discrimination of signals.

This device has several advantages over other types of optoisolators. It has a flat response to a wide range of wavelengths, making it more tolerant of LED aging. The isolation voltage is also relatively high, making it useful for a wide range of applications. Furthermore, the CNY17-2X007 has a high isolation resistance, which helps reduce the possibility of electrical or radio frequency interference.

The CNY17-2X007 is an ideal solution for many industrial and consumer applications. It is used in digital communication links such as RS-232 and RS-485, making it possible to isolate the transmitting and receiving circuits for improved noise immunity. Run-start control circuits for single-phase brushless DC motors can also be easily constructed using this device. Not only does the CNY17-2X007 provide isolation, but it also helps protect against short circuits and maintain low-speed control.

The CNY17-2X007 also has various safety functions. The device is designed to provide protection against overload and short-circuit conditions, helping to ensure the safety of personnel and equipment. The low-speed response of this device makes it ideal for applications requiring slow and precise response times, such as battery chargers and other systems where voltage and current levels need to be precisely monitored.

The CNY17-2X007 is a reliable and versatile optoisolator, making it an ideal choice for a wide variety of applications. Its high isolation resistance and flat spectral response make it a useful tool, while its safety features protect against short circuits and overload conditions, providing peace of mind for both designers and clients alike.

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