EL817(C)

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Optoisolators are components which allow for electrical isolation between two electronic circuits. The EL817(C) optoisolator is a special type of optoisolator which features a transistor-photovoltaic output for extending the range of electrical isolation. In this article, we will discuss the various application fields and its working principles for the EL817(C) optoisolator.

The EL817(C) optoisolator is often used for transmitting signals and operating controls between two independent circuits. It serves as an interface between systems running on different potentials, working frequencies, or sensitivities. This use of the optoisolator is especially helpful in preventing noise and long-distance interference from affecting the systems on either side. Common application fields where this optoisolator can be found include air-conditioning systems, microwave ovens, and car audio systems.

The optoisolator works using the principle of electrical to optical isolation. In the EL817(C) optoisolator, the circuit providing the input signal illuminates the light emitting diode (LED) located inside. This LED then triggers the photocell inside the device, which further triggers the output transistor. This transistor in turn controls the output current in accordance with the input signal.

The major design advantage of the EL817(C) optoisolator lies in its wide range of working potentials. Whereas most optoisolators can operate with an input voltage of up to 25V, the EL817(C) optoisolator is capable of accommodating input voltages up to 60V. This allows the device to be used in multiple fields which would normally not have been possible with the standard optoisolator.

Another design advantage of the EL817(C) optoisolator is its ability to serve as a backup power source for connecting circuits. In the event of a power interruption or malfunction in the original power source, the EL817(C) optoisolator can take over from the backup source until the original power supply is restored.

The EL817(C) optoisolator also has excellent operating characteristics. It serves as a high-speed device, with a switching frequency of up to 10MHz. It also features a low power consumption rating, allowing it to be used with circuits requiring low power consumption. Additionally, the optoisolator has a large operating temperature range, which can range between -40 and 85 Celsius.

In conclusion, the EL817(C) optoisolator is a specialized type of optoisolator that has multiple application fields. With its wide range of working potentials, operator-friendly design, backup power source capability, and excellent operating characteristics, this device is used in multiple circuits and devices. It is a valuable device for transmission of signals and controlling electric currents and is thus a trusted and reliable component for various applications.

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