EL3081-V

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Optoisolators are a type of optical coupler used to electrically isolate two components so that even if one of them fails, the other component will not be affected. The EL3081-V is an optoisolator that is ideal for driving small and medium-scale transformers and induction cookers. It is also capable of providing reliable protection and a very low power consumption, as well as allowing for a wide range of applications. This article will discuss the EL3081-V\'s application field and working principle.

The EL3081-V is a Triac/SCR Output Optoisolator with various features that make it suitable for controlling both conventional AC and DC circuits. It is able to provide more than 500V rated isolation voltage between the forward and reverse supply, and it can be used in a variety of applications. These include high-power motor drives, AC/DC relay control, solid state switching, and solenoid drive.

Additionally, the EL3081-V is designed with a built-in current sensing transistor allowing it to work as an over-current protection device, which helps prevent overcurrent damage to AC output devices. It also enables users to combine it with a Triac or SCR for an efficient and reliable optocoupler circuit.

The EL3081-V is able to provide a high degree of reliability and IEEE802.15.4 compliant noise immunity. It features a built-in LED which illuminates when the device is connected to a Triac or SCR to confirm the connection. The device also comes with a heat dissipating mechanism to ensure its reliable operation.

The EL3081-V optoisolator\'s working principle is quite simple and straightforward. When an input signal is received, it is sent to the optoisolator via an LED. This LED is then connected to a photorelay module, which also contains a Triac and SCR, along with the associated control circuitry. Once the LED turns on, the resistor creates a voltage that is applied to the Triac, which then triggers the SCR in the module.

The SCR subsequently turns on, supplying power to the load. When the input signal turns off, the voltage applied to the Triac drops, thus causing the SCR and load to be shut off. In this way, the EL3081-V optoisolator creates an electrical path between the input and output, providing an efficient and reliable way to control AC and DC circuits.

In summary, the EL3081-V optoisolator has various features that make it suitable for controlling a range of AC and DC circuits. Its high isolation voltage and current sensing transistor make it an attractive option for transforming and induction cooker applications. Additionally, its working principle is quite simple and straightforward, enabling it to provide an effective and reliable method of electrical isolation.

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