CNY17F-4M-V

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Optoisolators, also known as optocouplers or photocouplers, provide electrical isolation between input and output circuits using light instead of a direct electrical connection. The CNY 17F-4M-V series Optoisolators are transistor, photovoltaic output type which provides superior electrical isolation. It is designed for a wide range of applications such as telecommunications, computer disk drives, industrial equipment and alarm systems.

The CNY 17F-4M-V Type Optoisolator structures a compact package with high grade insulation and lot tracking for user convenience. It features both common lead and common emitter terminals, which allow an easy connection with the external system. The input section uses a gallium arsenide infrared LED and is capable of high-level isolation in a narrow 4 pin package. The output section consists of a photo sensitive integrated circuit and a phototransistor.

The CNY 17F-4M-V Type Optoisolator operates in two modes such as ac and dc. The ac mode is used to provide isolation of up to 5000 volts for load and line voltages. The dc mode is used to provide isolation of up to 5KVrms for low voltage signals and high voltage transients. This optoisolator has a high isolation voltage of 50KVrms and a low treshold current of 110mA. It also has a speed of 0.25μs for common emitter pin current response. It is designed to withstand vibration, shock and temperature fluctuations.

The working principle of the CNY 17F-4M-V type Optoisolator is based on the conversion of light energy into electrical energy. While operating in ac mode, it uses a reverse biased diode to detect minute changes in the supply voltage. The input section of the optoisolator consists of an infrared LED, which emits light when a voltage is applied to it. The output is connected to a photo-sensitive transistor, which receives the emitted light and produces an electrical output when the LED is illuminated. In the dc mode, the LED emits a constant intensity of light while the output transistor detects changes in the intensity of the light and produces an electrical output in proportion to the detected light intensity.

The CNY 17F-4M-V Type Optoisolator is widely used in motor control, data transmission, and medical and safety applications. It provides reliable protection from EMI (Electromagnetic Interference) and transient electrical surge. It is suitable for applications that require high-level isolation, quick response time, high accuracy, and robustness. It is also ideal for applications where space saving and resistance to environmental influences are important.

In conclusion, CNY 17F-4M-V Type Optoisolator is an ideal choice for applications where electrical isolation is required. With its wide range of features and functions, it is ideal for applications in telecommunications, computer disk drives, industrial and safety equipment.

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