H11C5

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Optoisolators are devices that are used in electrical circuits in order to provide isolation between the input and output of the circuit. The H11C5 is a type of optoisolator that utilizes a Triac or SCR output for the isolation of high voltage, AC, or DC signals. This article will explore the application fields of the H11C5 and its working principles.

The primary application of the H11C5 Opto Isolator is to provide galvanic isolation between an AC power source and a DC control circuit. This is particularly useful in applications where the AC power must be isolated from the DC control circuit, such as in lighting fixtures, industrial automation, and machine control systems. The H11C5 can also be used to isolate AC and DC signals from other circuits. The device is designed so that it can survive voltages up to 600V, and is able to provide isolation between circuits at up to 1000V AC.

The H11C5 is a hermetically sealed device that uses a Triac or SCR output for signal isolation. The input of the optoisolator consists of a LED and a phototransistor that are contained in a plastic housing. The phototransistor is connected to the Triac or SCR output of the device. This output is designed to open and close quickly when the LED is continuously activated and deactivated, in order to allow or prevent the operation of the optoisolator depending on whether the LED is emitting an output or not.

The LED illuminates when a control voltage is applied to its terminals, which in turn activates the phototransistor and causes it to switch the output to the ON state. When the control voltage is removed, the LED turns off and the phototransistor switches the H11C5’s output to the OFF state. The minimum control voltage required to turn on the LED is typically around 1V, while the current required to maintain a steady state output is typically around 5mA.

The H11C5 is a simple and reliable optoisolator device that is used for providing optical isolation between AC and DC circuits. It is an ideal solution for applications where isolation is required, such as lighting fixtures, industrial automation and machine control. Additionally, its hermetic sealing ensures reliable operation in even the most extreme environments. The LED-based design of the H11C5 ensures that its minimum control voltage and current requirements are relatively low, making it a popular optoisolator device for many applications.

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