MOC3081SVM

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MOC3081SVM (Silicon-controlled rectifier with optocoupler) is an optoisolator that is based on the traditional silicon-controlled rectifier with optocoupler combination. This optoisolator isolates voltage and power levels between two or more components within a system in order to protect components from one another. It is commonly used as an optorelay inside of transformerless power supplies, power factor correction (PFC) circuits, and industrial motor controllers.

What is MOC3081SVM? This device is an integrated optotriac that combines an optotriac and a zero voltage crossing SCR driver optically isolated by an optical link. It incorporates advanced OptoTechnology, which is a patented optical coupling process that is able to directly link the application circuit and the output control circuit. The optotriac acts as the input port and the SCR driver as the output.

How does it work? The optical link consists of an LED and a photosensitive pyroelectric device that is operated in a zero voltage switch operation. When the LED is turned on, it emits light energy, which is converted by the pyroelectric device into electric energy. This energy is then sent across the optoisolator, providing electrical isolation between the LED and the output. The LED is then turned off and a zero voltage switching operation is triggered. This brings the current flowing between the input and output to zero and the voltage sharply rises, causing an SCR drive output.

What are the applications of MOC3081SVM? This isolator is designed to be used in a wide range of applications, from industrial, electrical, telecom, and automotive to consumer, medical, and energy efficiency. It is ideal for 110/220Vac voltage level translation, motor controller applications, direct motor AC drive, complex field bus systems, electrical noise isolation, and power line protection.

MOC3081SVM offers a high level of electrical isolation which allows for safe operation and reliable performance in many different applications. Its high reliability and outstanding electrical insulation makes it an ideal choice for applications requiring fault protection or power line safety. Additionally, the zero voltage switch operation offers a noise-free switching process, reducing the risk of damaging sensitive equipment or components.

In summary, MOC3081SVM is an optoisolator that is based on the traditional silicon-controlled rectifier with optocoupler combination. This optoisolator is used as an optorelay and is designed to provide electrical isolation between two or more components. It is ideal for applications requiring fault protection or power line safety and is commonly used in transformerless power supplies, PFC circuits, and industrial motor controllers. With its high level of electrical isolation and zero voltage switch operation, MOC3081SVM is a reliable and cost-effective choice for many applications.

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