H11A617AS

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Optoisolators - Transistor, Photovoltaic Output

The H11A617AS is a photovoltaic output optoisolator designed to provide electrical isolation between the input and output circuits. This type of device is ideal for use in applications that require protection from ground loop currents, electromagnetic interference (EMI), or transient voltage. The H11A617AS is an extremely small package, making it a great fit for applications where size is a concern.

Working Principle

An optoisolator functions by using a semiconductor LED (light emitting diode) to transfer a signal from one circuit to another electrically isolated circuit. This type of optoisolator, the H11A617AS, combines the LED and a photosensitive device into a single package. When the LED is energized, it emits light that is directed toward the photosensitive device. The photosensitive device then converts that light energy into electrical energy, making it possible to transfer a signal from the input circuit to the output circuit without the need for wires or other conducting materials.

Features

The H11A617AS optoisolator possesses several useful features. These features include an isolation voltage rating of 6000 volts, a maximum leakage current of less than 0.1mA, and a response time of less than 1 millisecond, making it suitable for fast speed switching. It also contains an added noise suppression circuitry, which helps to ensure that only the expected signal is transmitted, providing reliable operation. Additionally, this optoisolator is manufactured with surface-mount technology and is capable of operation over a wide temperature range of -40°C to +105°C.

Applications

The H11A617AS optoisolator is ideal for use in a variety of industrial applications that require electrical isolation between the input and output signals. It is suitable for use in telecommunications, avionics, automotive, and medical equipment. It is also a great fit for applications that require isolation between digital/analog signals, such as those found in data acquisition systems and other instrumentation. Other potential applications for this optoisolator include motor control, power supply regulation and protection, and switch debouncing.

The H11A617AS provides reliable electrical isolation and contains a number of features that make it ideal for use in a variety of applications. This device is an excellent choice for applications that require high speed switching, high noise immunity, and wide temperature operation.

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