HCPL-4731#300

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The HCPL-4731#300 optoisolator is a transistor output, photovoltaic isolator that delivers maximum isolation voltage of 1,500 volts peak-to-peak. It is designed to meet applicable UL, EN and IEC standards for safety telecom applications.

Optoisolators are used to provide galvanic isolation to an electrical system to protect the unit from external shock, short or overload. They can also be used to provide protection from interference in applications where non-isolated signals can cause system errors. By using an optoisolator, the signals from two separated circuits can be transmitted with minimal electrical interaction between them.

The HCPL-4731#300 uses a combination of a light-emitting diode (LED) and a transistor to create a photovoltaic coupler. The LED isolates the input signal from the output signal by using an optical barrier. When the LED is excited by an electrical current, it will generate light which is then reflected off the diffusion cup to the photosensor. This causes an electrical current to be generated on the output side of the optoisolator. The output side of the optoisolator is then connected to the circuit and the output signal will depend on the type of circuit it is connected to.

In addition to providing protection from external shocks and shorts, optoisolators can also be used to provide a reliable way to transmit power between two isolated circuits. The device can be connected to a power supply on the input side and the output power level can be controlled by adjusting the intensity of the light emitted from the LED on the optoisolator. The HCPL-4731#300 optoisolator has a maximum peak output of 100mA, allowing it to be used in a wide variety of applications where power transfer is desired.

The HCPL-4731#300 optoisolator is designed for easy and reliable use in various applications. Its wide operating temperature range makes it suitable for use in industrial, automotive, medical and avionics applications. It is also suitable for use in applications where optical pulse width modulation is needed. The optoisolator is also dust-proof and water-resistant, making it suitable for use in wet or dusty environments.

In summary, the HCPL-4731#300 optoisolator is a transmitter-type photovoltaic output optoisolator. It provides maximum isolation voltage of 1,500 volts peak-to-peak, and it is designed for easy and reliable use in various applications. It is dust-proof and water-resistant and has a wide operating temperature range, making it suitable for use in a variety of industrial, automotive, medical and avionics applications. It is also suitable for use in applications where optical pulse width modulation is needed.

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