CNY17F-4S(TA)-V

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Optoisolators are a type of electrical component used to provide a degree of electrical isolation between two circuits. The CNY17F-4S(TA)-V optoisolator is a transistor output, photovoltaic optoisolator, designed to provide isolation between two circuits connected by a single electrical signal line.

Overview

An optoisolator consists of two important components: an LED (light emitting diode) which produces light, and a photo-sensor that detects light. The CNY17F-4S(TA)-V optoisolator features a low-power LED and an integrated phototransistor. This optoisolator is designed to switch on a transistor output when activated by a signal from another circuit.

Applications

The CNY17F-4S(TA)-V optoisolator is typically used to provide electrical isolation for noisy signals, high voltage signal control applications, and to prevent interference when multiple circuits are connected. This type of optoisolator can be used in a wide variety of applications such as digital logic switching, switch mode power supplies, digital signal transmission, and vehicle electronics. It offers excellent electrical isolation between two circuits, is durable, and requires a low power requirement.

Technical Specifications

The CNY17F-4S(TA)-V optoisolator has a switching current of 50 to 200 mA, a forward current of 50 to 300 mA, and a transient peak current of up to 400 mA. The collector-emitter breakdown voltage is typically 20V, with a maximum collector-emitter voltage of 40V. The collector-emitter saturation voltage is typically 200mV, and the current transfer ratio (CTR) is a minimum of 100%. The power dissipation is usually 500mW.

Working Principle

The working principle of the CNY17F-4S(TA)-V optoisolator is based on the conversion of light into an electrical current. When an electrical current passes through the LED, it produces light, which is detected by the phototransistor. The transistor then produces an output current which can be used to control other circuits. By using an optoisolator, the two circuits are completely electrically isolated, allowing them to operate with minimal interference.

Conclusion

The CNY17F-4S(TA)-V optoisolator is a low-cost, reliable, and durable device that is capable of providing electrical isolation between two circuits. Its wide range of applications, low power requirement, and excellent electrical isolation make it an ideal choice for signal isolation, switch mode power supplies, and digital logic switching.

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