SFH615AGR-X001

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Optoisolators - Transistor, Photovoltaic Output

The SFH615AGR-X001 optoisolator is a digital input and output device that combines a photovoltaic cell and a transistor in a single hybrid package. It serves the purpose of isolating electrical signals between two circuits and preventing electrical noise from communicating from one circuit to the other. It also strengthens the signal, allowing it to be transmitted over greater distances or produced with more clarity.

Application Field

The SFH615AGR-X001 is most commonly used in industrial automation, medical devices, telecommunications systems, and automotive control systems that have a need to safely transmit electrical signals from one device to another without electrical noise interference. For example, it can be used to protect signalling systems from electromagnetic interference (EMI) for applications such as controlling solenoid valves in chemical and petrol tanks, communicating with monitoring Devices that are mounted in hazardous locations, and isolating signals from high-voltage environments.

Working Principle

When a voltage signal is applied to the input circuit of the optoisolator, it will cause a current to flow through the photovoltaic cell, which in turn produces an optical signal that is received by the optocoupler’s internal photodiode. This optical signal activates the internal transistor, producing an electrical signal on its output, which corresponds to the input voltage signal. The electrical signal is then sent to the output circuit, completing the circuit. As the light signal requires no electrical current, this isolates the two circuits from each other.

The SFH615AGR-X001 optoisolator is rated for a maximum current flow of 30mA, at a voltage of peaksurge that can go up to 45V. It has a high input impedance of 1GΩ, allowing it to be used in a wide variety of applications, due to its sturdy insulation properties and strong optical coupling. It also has a low power consumption of 1mW.

Conclusion

The SFH615AGR-X001 optoisolator is a versatile and reliable device that can be used in a wide range of applications to prevent unsafe electrical noise from transmitting between circuits. It has a high input impedance and low power consumption, making it a great choice for industrial, telecommunications, medical, and automotive applications. Overall, the SFH615AGR-X001 optoisolator offers a safe and effective solution for isolating electrical signals.

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