H11AA23SD

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Optoisolators, sometimes referred to as optocouplers, allow an electrical signal to be transmitted while between two circuits which are electrically isolated. This isolation helps to prevent electrical noise and other interference from entering the circuit, helping to ensure stable performance and reliable operation. The H11AA23SD is an optoisolator from Omron which is a transistor-photovoltaic output type.

Application Field:

The H11AA23SD is designed for applications such as isolating low-level current signals in industrial controls, communications or measurements. It can also be used to protect expensive equipment from voltage spikes or other electrical interference.

Working Principle:

The optoisolator is composed of two separate components: an optically isolated transistor and a photovoltaic output terminal. The transistor consists of an LED, or light emitting diode, and a photodiode. When the LED is illuminated, an electric current is generated in the photodiode which is then converted into a voltage signal. The voltage signal is then delivered to the output terminal.

The transistor portion allows the voltage signal to be converted back into an electric current with a single switch. With this configuration, the transistor can be used to control the output signal of the optoisolator. The photovoltaic output terminal provides direct isolation between the LED and photodiode. This helps to prevent any electrical interference or noise from entering the circuit.

The H11AA23SD optoisolator from Omron is an excellent choice for applications which require both electrical isolation and reliable performance. It is easy to set up and operates with minimal power consumption. The optoisolator is also able to handle a wide range of voltage values and has a long life span, making it ideal for use in industrial applications.

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