EL817(S)(D)(TU)-VG

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Optoisolators are devices which are used to provide electrical isolation between two portions of a circuit, typically the logic side and the power side. The EL817(S)(D)(TU)-VG is an optoisolator which uses a surface mounted transistor output and photovoltaic input. This type of optoisolator is used in many different applications to provide galvanic isolation and protection to both the logic side and the power side of a circuit.

The primary purpose of an optoisolator is to protect the sensitive logic side of a circuit from spikes, noise, or other transient events which may be present on the power side. This type of device works by using an LED inside the device to generate a light signal which is then directed onto a photodiode or phototransistor within the device. The LED generates a light signal when it is driven by a current coming from the logic side of the circuit. This light signal is then detected by the photodiode or phototransistor inside the device.

The photodiode inside the device will then convert the light signal into an electrical current which is then sent to the power side of the circuit. This current can then be used to control the power side of the circuit by driving the power switch or relay with the appropriate logic level. The circuit will then be correctly isolated from the power side of the circuit, protecting the sensitive logic side from any transients or spikes present on the power side.

The EL817(S)(D)(TU)-VG optoisolator is typically used in many different types of applications. For example it can be used in automotive, industrial, and consumer electronics. It is also commonly used in medical equipment, and telecom applications. It is commonly used to provide electrical isolation between the logic and power sides of a circuit. This type of device is also very space-efficient, as the photodiode and phototransistor are integrated into the same package.

In summary, the EL817(S)(D)(TU)-VG is an optoisolator which is used to provide electrical isolation between two portions of a circuit, typically the logic side and the power side. It uses a surface mounted transistor output and photovoltaic input and is commonly used in automotive, industrial, consumer electronics, medical equipment, and telecom applications. The primary purpose of this device is to protect the sensitive logic side of a circuit from noise or transients present on the power side.

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