H11A3FR2M

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Optoisolators are used in a variety of applications to provide electrical isolation between components of a system. H11A3FR2M is a type of optoisolator that is classified as a Transistor, Photovoltaic Output type. This type of optoisolator works by using light to isolate the input from the output, providing greater reliability than other optoisolator types.

The H11A3FR2M optoisolator has an isolated frequency range of up to 25MHz, making it suitable for a range of applications. It is designed to be used in both digital and analog circuits and can handle input signals of up to 3V.

The operation of the H11A3FR2M optoisolator is based on photovoltaic principle. The input is connected to a light sensitive element in the package. When the input voltage rises, photons are emitted from the element which is detected by a photosensitive element on the other side of the package. This causes a current to flow in the output and the device operates as a switch. The optoisolator provides electrical isolation between the input and output, which is determined by the internal resistance of the device.

The optoisolator also features a reverse breakdown voltage of 200V for protection against electrical damage. This device is available in a variety of packages including DIP, SMD and SOT223 and can operate up to a junction temperature of 125°C.

The H11A3FR2M optoisolator is widely used in industrial, scientific and medical applications. It is suitable for controlling LED light sources, audio switching and routing and digital logic. It can also be used as a level shifter in applications such as UART, I2C, SPI and RS232.

In summary, the H11A3FR2M optoisolator is a useful tool for providing electrical isolation between components. It is suitable for a variety of applications and offers reliable performance up to a high frequency range. With its reverse breakdown voltage protection and operating temperature range, this optoisolator provides a reliable solution for many industrial, scientific and medical applications.

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