H11C6

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Optoisolators, also known as optical isolators and optical couplers, are components designed to provide electrical isolation in electronic circuits. In this article, we\'ll examine the H11C6 optoisolator and its use in triac, SCR output applications, as well as its working principle.

H11C6 optoisolators are optically-coupled isolators which use an light-activated triac output optocoupler. It provides high level, fast, and reliable electrical isolation between input and output using its optoelectric (light-activated) triac output component. This optoisolator includes a GaAs infrared light-emitting diode (LED) as the input component which can be switched on and off by external voltage when a suitable base operates. It also includes a triac, SCR, or photosensitive triac as the output component which is triggered on or off by the voltage applied.

In terms of applications, H11C6 optoisolators are often used to switch AC signals into AC or DC control signals. The isolator\'s input phase detector circuit is extremely sensitive, allowing for switching and control of AC current control signals to a variety of AC loads such as motors, lights, heating elements, and more. This type of optoisolator is also capable of providing isolation from AC to DC voltage levels, which prevents dangerous situations in high-voltage applications. Additionally, it enables the efficient connection of AC signals to various types of electronic control components such as programmable logic controllers.

As for its working principle, H11C6 optoisolators operate on a familiar principle: when the input voltage is applied, the LED in the device turns on and sends an optical signal to a phototransistor. This signal in turn impacts the gate of a triac, SCR, or photosensitive triac which causes conduction of current between its output terminals. Once conductivity is established, current flows between these terminals and the load connected to them.

The H11C6 optoisolator is widely used in triac, SCR output applications that require efficient and reliable electrical isolation between input and output components. Its operational principle, which relies on light-activated triac outputs, allows it to switch and control AC signals into various components such as motors and programmable logic controllers, allowing the user to perform tasks associated with their devices quickly and efficiently.

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