EL817(S1)(TD)-VG

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Optoisolators are components that can provide galvanic inesulation between two circuits. This is accomplished by using a light-emitting diode (LED) to generate a light signal when a voltage is applied to one side, and a photosensitive component, such as a phototransistor, to detect the light signal on the other side. The EL817(S1)(TD)-VG optoisolator is a type of transistor that has a photovoltaic output. It is designed to provide isolation between low voltage control signal and the circuitry it is controlling.

The main components of the EL817(S1)(TD)-VG optoisolator are the LED, phototransistor, and a resistive network. The LED is used to generate a light signal when voltage is applied to the collector. The current allowed for the LED is controlled by the resistive network, which is connected between the emitter and the LED. The phototransistor is used to detect the light signal generated by the LED, and its collector is connected to an external voltage source.

The working principle of the EL817(S1)(TD)-VG is simple. When voltage is applied to the collector of the LED, the resistive network limits the current, and the LED emits a light signal. The phototransistor on the other side then detects this light signal and supplies an output current to the external voltage source. The output current is proportional to the current supplied to the LED. This allows for a high degree of isolation between the input and output circuits.

The EL817(S1)(TD)-VG optoisolator is widely used in applications where low voltage control signals need to be isolated from the circuitry they are controlling. Some of these applications include process controllers, alarm systems, automation systems, and home security systems. These optoisolators are also used in medical devices and automotive electronics.

The EL817(S1)(TD)-VG optoisolator is a cost-effective and reliable Transistor-Photovoltaic Output optoisolator that can provide galvanic isolation between two circuits. It has a simple working principle and is easy to use in various applications. Thanks to its level sensitive output, it is well-suited for applications that require noise free isolation, high voltage or temperature withstand, and high precision control.

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