EL1018-VG

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Optoisolators are electronic components designed to separate two circuits while allowing them to communicate with each other. They are commonly used in systems that require the isolation of electrical and electronic components in order to protect sensitive electronic equipment from electrical power surges and other detrimental conditions. One type of optoisolator is the Transistor, Photovoltaic Output (EL1018-VG). This type of optoisolator works by emitting light from within a sealed optically isolated cavity and converting the incoming electrical signal into an equivalent photocurrent.

The EL1018-VG is a bi-directional optoisolator that offers electrical and optical isolation and is capable of driving heavy loads up to 1000V. It consists of a semiconductor optically isolated cavity which is coupled to a photovoltaic cell, and a Darlington transistor that is placed in an integrated package. The optically isolated cavity acts as a light source which enables the EL1018-VG to control the current being supplied to a load. As the current changes, the light source within the optoisolator cavity is adjusted accordingly, allowing the load to be controlled.

The EL1018-VG optoisolator operates in two main stages. In the first stage, optical power emitted from the optoisolator’s optical cavity is converted to a photocurrent and subsequently amplified by the Darlington transistor. In the second stage, the amplified signal is used to linearly drive a load up to 1000V. As the voltage across the load increases, the current being supplied to the load increases and, as a result, the optical power emitted from the optoisolator decreases. This allows for a stable output voltage across the load without the need for external power.

The EL1018-VG optoisolator is ideal for use in a variety of applications due to its high-voltage handling ability and its ability to provide isolation between circuits while allowing signal transmission. This makes it suitable for use in automotive, security, industrial, power supply, and telecommunications systems. It is also commonly used in applications that require a high level of reliability and electrical safety. Additionally, due to its small form factor, the EL1018-VG is often used in applications that require minimal space such as medical devices and consumer electronics.

In conclusion, the EL1018-VG optoisolator is a reliable and compact component capable of providing maximum electrical and optical isolation in a variety of applications. It is able to provide a stable output voltage across a load up to 1000V and its small size makes it an ideal choice for applications that require minimal space. Its ability to provide both electrical and optical isolation makes it suitable for automotive, security, industrial, power supply, and telecommunications systems.

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