HCNW136-500E

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Optoisolators are optoelectronic devices that are useful in several applications such as preventing signal distortion, isolating noisy signals, protecting printed circuit boards from damage, and providing feedback loops via the signal walk. The HCNW136-500E is a variant of the optoisolator family, and it features a transistor-type photovoltaic output. In this article, we\'ll discuss the application field and working principle of the HCNW136-500E.

Applications

The HCNW136-500E can be used for a variety of applications. It can be used to interface high-voltage circuits with low-voltage circuits, providing a degree of insulation and protection. It can also be used to provide a communication link between two circuits where the noisy or high voltage of one circuit can be isolated from the other. The optoisolator is also useful for providing feedback loops in circuits such as power supplies, motor drives, and alarms. The HCNW136-500E can also be used in automotive applications, such as headlight dimmers, turn signals, and brake lights, as well as in thermal management and communication systems.

Working Principle

The HCNW136-500E works by allowing the photovoltaic output voltage to drive a transistor switch. The optoisolator contains an infrared light-emitting diode (LED) mounted in an optical package, and a phototransistor connected in series to the LED. When the LED is activated by a voltage signal, it emits both infrared light and visible light which is directed to the phototransistor. The phototransistor converts the light energy into an electric current, which then “drives” the transistor switch which controls the device.

The optoisolator will provide a transistor-type output with a voltage differential between the open-collector output and the ground reference. This voltage differential can be varied in order to adjust the sensitivity of the circuit. When the LED receives voltage, it emits light which is measured by a photo detector. The photo detector produces an output voltage in response to the emitted light, and this output voltage is used to drive the transistor switch.

Conclusion

The HCNW136-500E optoisolator provides a high degree of signal isolation between two circuits while also providing a controlled voltage output. Its applications include providing feedback loops in circuits, providing a communication link between two circuits, and interfacing high voltage circuits with low voltage circuits. The optoisolator works by allowing the photovoltaic output voltage to drive a transistor switch, and the signal range can be adjusted by varying the voltage differential between the open-collector output and the ground reference.

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