EL817(S1)(TB)-V

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Optoisolators, also known as optocouplers, are components that are used to provide electrical isolation between two sensitive or high-voltage circuits. The EL817 (S1) (TB)-V optoisolator is a type of optoisolator that is designed with a transistor output and photovoltaic input. It functions by using light to transfer a digital signal between two separate circuits. This optoisolator is popular for its robustness against high voltage transients and natural resistance to temperature and EMI noise.

The EL817 (S1) (TB)-V optoisolator typically has an input of 5V DC and outputs of 25 mA DC, and features an isolation voltage of 5kV. It has a base-emitter voltage of 5V, a collector-emitter saturation voltage of 0.2V, and an insulation resistance of 1.0 KΩ min. With a forward current of 50mA, a typical switching speed of 50V/μs, and an off-state current of 1μA, the EL817 (S1) (TB)-V optoisolator is suitable for several applications.

Application Field

The EL817 (S1) (TB)-V optoisolator can be used for communication applications, including optical transmission, data processing systems, and other security-sensitive systems. It is also a useful component in automated production and vital industry systems. This component is suitable for motor drive applications, temperature controllers, and medical equipment applications.

The EL817 (S1) (TB)-V optoisolator is widely used in telecommunication systems, including base stations, digital microwave link stations, and signal routing systems. It is also applied in power supply protection, industrial automation operations, robotic equipment systems, and motor control operations.

Working Principle

The working principle of the EL817 (S1) (TB)-V optoisolator involves a photovoltaic input and a transistor output. When the input voltage is applied, the transistor output triggers the transfer of a digital signal across two separate circuits. As such, the two circuits are isolated from each other while still transferring the signal.

The EL817 (S1) (TB)-V optoisolator is able to provide electrical isolation without sacrificing signal integrity, thanks to its high input-to-output isolation voltages and low-leakage current. By transferring digital signals between two circuits while isolating them electrically, this optoisolator helps to ensure greater reliability in particular applications, as well as preventing leakage current from causing system errors.

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