EL3H7(F)(TB)-VG

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Optoisolators are insulation devices often used in applications requiring electrical isolation. The EL3H7(F)(TB)-VG is a type of optoisolator made with a photovoltaic output and a transistor. This type of optoisolator breaks the connection between two circuits allowing for greater signal isolation. In this article, the electrical specifications, the applications, and the working principle of the EL3H7(F)(TB)-VG will be discussed.

The EL3H7(F)(TB)-VG optoisolator comes in a 4-pin dual-in-line package and has a plastic body. It operates on an input voltage between 16V and 18V and has a forward current of 20mA at 25 degree Celsius environment. The operating temperature range is from -55 to +100 degree Celsius. In terms of performance characteristics, the collector-emitter voltage is between 30V to 40V, collector current is between 60mA to 80mA, and the transition frequency is between 200kHz and 500kHz. These electrical specifications make the EL3H7(F)(TB)-VG a versatile device which is suitable for a variety of applications.

The EL3H7(F)(TB)-VG optoisolator has a wide range of applications. It can be used in industrial process control systems such as motor speed control or temperature control. It is also suitable for medical systems to control high voltage electric lines and to prevent electrical shock. In addition, this optoisolator can also be used in power supplies to break the AC line input from the output and protect the circuit from hazardous voltage surges. It can also be used to detect open- and closed-circuit conditions as well as to control current flows.

The working principle of the EL3H7(F)(TB)-VG optoisolator is based on the use of a photocoupler. A photocoupler consists of an LED and an integrated transistor. The LED illuminates when there is a current flow and this illumination is picked up by the integrated transistor. This produces a voltage across the collector and emitter terminals, which can then be used to drive external circuits. This voltage is isolated from the input voltage, and this isolation provides the desired electrical isolation.

In conclusion, the EL3H7(F)(TB)-VG is a type of optoisolator that incorporates a photovoltaic output and a transistor. It offers superior signal isolation and is suitable for a wide range of applications. The optoisolator operates on a voltage between 16V and 18V and has a forward current of 20mA at 25 degree Celsius. The working principle of the optoisolator is based on the use of a photocoupler, which acts as an electrical isolator between the input and output circuits.

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