EL1118-G

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Optoisolators are important components used to electrically isolate one part of a circuit from another. The EL1118-G optoisolator is a particular optoisolator that uses a transistor, photovoltaic output. It also isolates one part of a circuit from another and reduces ground loops between the two parts. In this article, we will discuss the application field and working principle of the EL1118-G optoisolator.

The EL1118-G optoisolator is a device used to isolate signals in circuits that operate with high voltages or to improve the noise immunity of circuits. It also helps eliminate ground loops by virtually eliminating transients and power surges, allowing for improved electrical safety in certain applications. The EL1118-G optoisolator is most commonly used in medical, telecommunications, automotive, test equipment, and industrial equipment.

The EL1118-G optoisolator works by utilizing a photovoltaic output transistor to provide electrical isolation between two circuits. The optoisolator consists of two sections, an input section and an output section. The input section is comprised of a light emitting diode (LED) and a phototransistor (phototransistor). The LED emits light which falls onto the base of the phototransistor when a voltage is applied to the diode. The light causes electrons to be released from the base of the transistor, causing it to turn on.

The output section of the EL1118-G optoisolator is comprised of an output transistor, which is controlled by the phototransistor. When the phototransistor is turned on, the output transistor is also activated, allowing electricity to flow from the output transistor to the input of the optoisolator. This is how the two circuits are isolated from each other. By using the EL1118-G optoisolator, the two circuits can interact and share information without compromising the integrity of either circuit.

In conclusion, the EL1118-G optoisolator is a transistor, photovoltaic output optoisolator that is commonly used in medical, telecommunications, automotive, test equipment, and industrial equipment. It helps eliminate ground loops by virtually eliminating transients and power surges, allowing for improved electrical safety in certain applications. The optoisolator works by utilizing a photovoltaic output transistor to provide electrical isolation between two circuits. It is a reliable and cost-effective way to ensure that electrical signals are isolated.

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