MOC8111TM

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Optoisolators are optoelectronic devices that use a photonic isolation barrier to achieve electrical isolation between two circuits. The MOC8111TM is a type of optoisolator device from Avago Technologies, specifically classified as a Transistor, Photovoltaic Output Optoisolator. It provides a very high degree of electrical isolation between input and output while providing very fast input-to-output response time.

Application fields

The MOC811TM optoisolator is used commonly in many industrial applications, such as in switch systems, factory automation products, programmable logic controllers, and process control systems. It is also used in some consumer products, such as TVs, audio systems and other home entertainment devices. In addition, it can be used in medical electronics for contactless electrical isolation of ECG signals, or as a isolator for safety circuits in automation systems.

Working principle

The MOC8111TM optoisolator works on a principle of coupling two circuit elements with an optical link. It consists of an infrared-emitting light-emitting diode (LED) coupled with a silicon photovoltaic cell. The LED emits light of specific wavelengths when current is passed through it. This light is received by the photovoltaic cell which converts the incident light into a current. This current is then sent as output from the photovoltaic cell. The two circuits are thus connected electrically, but completely optically isolated from each other.

The MOC8111TM optoisolator has many advantages compared to other optoisolators, which include a wide range of input current levels, a very fast switching rate of up to 1 million operations per second, and a very low power consumption of 0.1 mA typical. It also offers high levels of protection against EMI, surge, and ground faults, making it an ideal choice for applications requiring high levels of electrical isolation.

Other important features of the MOC8111TM optoisolator are its extended temperature range and wide operating voltage range (4.5V to 20V). It has both VDE and UL certifications, making it safe and reliable for use in any industrial environment. In addition, the MOC8111TM optoisolator comes in a wide range of package sizes and configurations, making it suitable for a variety of applications.

The MOC8111TM optoisolator is a highly efficient and cost-effective solution for providing electrical isolation between two circuits. With its wide range of features and certifications, it is perfect for applications requiring high levels of electrical and optical isolation.

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