H11AA814AS

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Optoisolators are electronic components that provide electrical isolation between two electrical components while allowing a signal to pass from one component to another. The H11AA814AS is one such optoisolator. It is a Transistor, Photovoltaic Output optoisolator and is most commonly used in automotive applications and other applications where electrical isolation is required. This optoisolator is also known as a transformerless optoisolator due to its properties.

The H11AA814AS is a dual-channel photovoltaic output optoisolator that consists of two independent optical receivers. Each receiver has an LED and an isolating diode connected to the input side. The output side offers two pins for connection. One pin connects to the transistor, and the other to the photovoltaic cell. The LED and the isolating diode are connected in parallel, which allows the signal to be sent to the photovoltaic cell before it reaches the transistor.

The photovoltaic cell on the output side of the optoisolator is capable of converting the incident light into a current. This current is used to trigger the transistor, which then amplifies the current and passes it on to the connected device. The photovoltaic cell also provides the optoisolator with a current that is dependent on the input port’s voltage. This ensures that the optoisolator is not affected by the variations in the input voltage.

The H11AA814AS has a wide operating voltage range, making it ideal for many different types of applications. It can operate between 12V and 70V, depending upon the input voltage and the current supplied to the LED. This optoisolator also has an extended temperature range of -40°C to 125°C, making it suitable for use in a range of environments. Additionally, it has a high optical sensitivity of 12.5k-¹ @ 20mA, ensuring that the optoisolator is able to detect even the slightest of light signals.

When it comes to applications, the H11AA814AS is most commonly used in the automotive industry. Its ability to provide electrical isolation, along with its wide operating voltage and temperature ranges, make it an ideal choice for use in automotive systems. Additionally, it can also be used in communication systems, instrumentation devices, and home security systems.

In short, the H11AA814AS is a Transistor, Photovoltaic Output optoisolator that is most commonly used in automotive applications and other applications where electrical isolation is required. It has a wide operating voltage and temperature range, a high optical sensitivity, and can be used in a range of applications such as automotive systems, communication systems, instrumentation devices, and home security systems.

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