MOC119M

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Optoisolators are used widely in industrial control systems and other electrical systems. These optoisolators provide isolation between two systems, limiting the amount of interference. The MOC119M is a type of optoisolator specifically designed to have a transistor, photovoltaic output, allowing for improved noise isolation and reliability. The MOC119M optoisolator can be applied to a range of applications, such as, but not limited to: DC-to-DC power conversion, logic interface, test equipment, and digital signal processing.

The MOC119M optoisolator is built with a silicon photovoltaic detector, an LED coupled photodiode, an open collector transistor, and a zener input from the external circuit. The photovoltaic detector is tuned to detect the voltage output from the internal LED source. The LED-coupled photodiode then converts the visible light from the LED into an electrical current. This electrical current passes through the open collector transistor, modulated by the zener input from the external circuit.

The transistor output of the MOC119M optoisolator allows for noise isolation. The transistor output isolates the two systems, blocking out the noise generated from adjacent systems and allowing for a clearer system-to-system communication. With its wide range of compatibility, the MOC119M optoisolator can be used in applications with both DC and AC systems, making it a versatile choice.

The MOC119M optoisolator can also be used for pulse-based applications. The optoisolator contains a PWM input, allowing for a digitally-controlled pulse to generate a corresponding voltage from the optoisolator. This pulse-voltage system is used for digital logic signals and can be used for power control purposes. The pulse-voltage system is also adjustable in width and amplitude, allowing for more precise adjustment.

The MOC119M optoisolator is a reliable and versatile solution for noise isolation in the fields of industrial control and communication. The photovoltaic detector ensures accurate signal detection and the transistor output ensures a clear system-to-system communication. In addition, the optoisolator can be used for pulse-based applications, allowing for power control and digital logic signals. With its wide range of compatibility, the MOC119M optoisolator can be used for a variety of applications requiring isolation between two systems.

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