EL1118-VG

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Optoisolators are an important component in many electronics applications. They are used to isolate signals between two or more electronic circuits. One of the most common optoisolator devices is the EL1118-VG Transistor, Photovoltaic Output. This device is unique among optoisolators because it consists of a single chip that combines both optical and electronic components. In this article, the application field and working principle of the EL1118-VG will be discussed.

The EL1118-VG is a 4-pin optoisolator chip that consists of an infra-red light emitter, a photo-diode sensor, and a voltage-controlled electronic switch. The device is commonly used in many different kinds of applications, from automotive and industrial electronics, to consumer and medical applications. It is typically used in safety circuits, where electrical signals need to be isolated in order to protect from noise, interference, and errors. The EL1118-VG can also be used in current loop applications, where it can sense the presence of an electric current and trigger a switch or other action.

When the EL1118-VG is used in an application, the infra-red emitter is powered and emits a modulated light signal. The modulated signal is received by the photo-diode sensor, which then converts the light signal into an electrical signal. The electrical signal is then sent to the voltage-controlled switch, which triggers a low-level switch or circuit in response to the signal. By connecting the EL1118-VG to other electronic components, it is possible to sense the presence of an electric current and trigger a switch or other action.

The EL1118-VG has a number of advantages over other optoisolator devices. It is a low-cost, low-power, and compact device that is ideal for many applications. It is also capable of operating in both high and low temperature environments, making it suitable for use in both indoor and outdoor settings. Additionally, the device provides high-quality isolation performance, allowing signals to be properly isolated from noise and interference.

In conclusion, the EL1118-VG is a valuable component for many electronics applications. It is a low-cost, low-power, and compact device that provides excellent isolation performance. It can be used in current loop applications, safety circuits, automotive and industrial electronics, and consumer and medical applications. With its wide range of benefits, the EL1118-VG is a great choice for applications that require electrical signals to be isolated from noise and interference.

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