H11AG3

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Optoisolators are used to provide electrical isolation between two circuits and to protect circuitry from potentially damaging voltage spike configurations. The H11AG3 optoisolator provides a transistor photovoltaic output that uses an LED to activate a phototransistor on the output side. This optoisolator has many applications, particularly within industrial and commercial sectors, and its working principle is based on the use of light.

The H11AG3 consists of a molded plastic housing with an LED and a phototransistor inside. The LED is the component responsible for emitting light, and the phototransistor is the sensing element. When an electrical signal is fed to the LED side, it emits light pulses that are then detected by the phototransistor and converted to electrical pulses. The output side is electrically isolated from the input side, thus allowing for complete electrical isolation between the two circuits.

The main application for the H11AG3 optoisolator is within industrial equipment, such as programmable logic controllers, and other digital electrical components. Its output side can be used to switch transistors on and off, as well as measure digital signals from sensors or other forms of input. The optoisolator works in an "open collector" or "low side" switching configuration, where its output pin is connected to ground in order to turn a transistor on or off. This feature is often used in applications such as motor speed controllers or relays.

Another advantage of the H11AG3 is its immunity to electrical noise or interference. The optoisolator’s sealed case helps to protect it from dust, water and other potential sources of electrical interference. Additionally, the input side has a noise rejection capacitor, which helps to further reduce the amount of electrical noise the optoisolator is exposed to. As a result, the device can provide reliable signal isolation even in harsh environments.

In summary, the H11AG3 optoisolator is a transistor photovoltaic output device that finds a wide range of applications in industrial and commercial sectors. It works by using an LED to emit light pulses, which are detected by a phototransistor on the output side. This optoisolator has many benefits, including immunity to electrical interference and an open collector switching configuration. It is used in such applications as motor controllers, digital sensors and relays.

The specific data is subject to PDF, and the above content is for reference