H11G2SD

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

A H11G2SD optoisolator is an electronic device that combines a source LED and a photodiode with a low-voltage transistor in one small package. It allows for highly reliable isolation between two circuits, while allowing the two sides to communicate in both directions. This makes it ideal for use in applications where controlling, monitoring and protection is of the utmost importance, such as industrial automation or medical equipment.

One of the most commonly used optoisolators is the H11G2SD, a 4-pin device featuring a photovoltaic output. This type of device includes an integrated NPN phototransistor, meaning it can be used as either a driver or signal receiver depending on the voltage applied to the base.

At the heart of the optoisolator is the light sensitive element, which comprises of an LED and a photoactive layer. The diode LED emits a beam of light when it is powered. The light is then projected onto the photoactive layer. Depending on the type of optoisolator, this layer can be either an integrated photodiode or phototransistor.

The way the photodiode works is simple and elegant. The LED emits light, but the photon diode absorbs it. When the photons hit the diode, they generate an electric current within it. This electric current is proportional to the intensity of the light. In an optoisolator, the purpose of this current is to control the voltage on the base of the NPN transistor. When a voltage is applied, the photodiode will draw the current out of the base, causing the NPN transistor to switch on.

The output of the H11G2SD optoisolator is regulated by the voltage applied to its base. In other words, when it receives a higher voltage, the NPN transistor will switch on. This allows the H11G2SD to be used as either a driver or signal receiver. As a driver, it can be used to control and protect electronic circuits from high voltage surges or to provide essential isolation between low and high voltage circuits. As a signal receiver, it can be used to detect changes in voltage or current, providing an indication of the level of protection.

The H11G2SD is also extremely reliable and cost effective. This makes it an ideal choice for applications where failure is not an option. The high level of isolation provided also means it is suitable for use in industrial automation and medical equipment, where accuracy and control is critical.

The H11G2SD optoisolator offers excellent reliability, accuracy and control in a range of applications. By combining a simple LED, photodiode and voltage sensitive transistor into one compact package, it can be used as either a driver or signal receiver. This makes it the ideal choice for a variety of applications where fault signal isolation, control and protection is critical.

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