FOD2742AR2

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The FOD2742AR2 is a type of optoisolator-transistor, photovoltaic output, which allows a digital output signal to be isolated from the main power supply signals. It consists of a light-sensitive input section and a transistor output section. The input section is a gallium arsenide infra-red emitting diode and photo-transistor combination, while the output section consists of a transistor with a built-in current limiting resistor.

The FOD2742AR2 works on the principle of photoconductive isolation. When the input terminals of the optoisolator receive a low power electrical signal, the diode in the input section emits infra-red light. When the infra-red light falls on the photo-transistor in the output section, it changes the conductivity of the transistor and enables or disables the output transistor depending on the input signal.

The FOD2742AR2 has a wide range of applications in circuits that require electrical isolation. It can be used in power supplies, current and voltage sensors, signal amplifiers, digital circuits, and AC circuit protection. It is also used to ensure electrical safety in areas such as medical devices and power control systems. The FOD2742AR2 is a robust and reliable optoisolator, offering high temperature stability and current ratings of up to 80mA.

The FOD2742AR2 has superior signal isolation performance compared to other types of optoisolators, since it offers better insulation between the input and output terminals. It also has a high noise rejection ratio as well as excellent transient protection capabilities. The device is also RoHS compliant, meaning it is safe for use in commercial applications.

The FOD2742AR2 is an ideal choice for applications requiring electrical isolation. It offers reliable isolation performance and offers superior signal fidelity as well as good electrical and thermal protection. It is also a cost-effective solution, as it uses a small footprint and comes at a relatively low price compared to other optoisolator options. The FOD2742AR2 is an effective solution for applications that require electrical isolation and safety, and is suitable for a wide range of applications in the industry.

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