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Optoisolators - Transistor, Photovoltaic Output, provide an isolation solution for electronic systems. In this article, we will learn about the KPC application fields and working principles.

Application Fields

KPC isolators provide isolation for circuits in a variety of applications, from automotive systems to communications and industrial control. Due to their multiple electrical and optical isolation protection, KPC isolators are an effective and safe choice for high-voltage/high-current applications that require safe isolation.

KPC isolators are mostly used in communication systems, such as for military and aerospace applications, to ensure noise-free digital signals and prevent system errors. They are also used in industrial control systems to prevent interference from space-borne sources, such as lightning and other electromagnetic fields, which can destroy delicate circuits.

KPC isolators can also be used in the automotive industry to protect circuits from extreme temperature and humidity changes and to reduce the effect of inductive kickback from switching motors or solenoids. Additionally, KPC isolators are an ideal choice for providing isolation for automotive safety systems, such as braking, fuel injection, and airbag systems.

Working Principle

KPC isolators use a combination of opto-coupling and transistor technology to provide electrical and optical isolation. They use a light-emitting diode (LED) on the input side to convert the incoming electrical signal into optical signal and transmit the optical signal over an air gap. At the output side, a photo-sensitive transistor receives the transmitted optical signal and re-converts it back to electrical signal. This conversion process ensures that there is no direct electrical connection between the input and output circuits, while still allowing data to be transferred across the air gap.

KPC isolators also use an additional transistor for electrical isolation and short circuit protection. The transistor is used to control the current flow between the input and output, preventing system damage due to excessive current. The transistor also acts as a buffer between the input and output circuits, absorbing any transient noise signals and preventing them from entering into the output circuit.

KPC isolators are available in a variety of different packages to suit different application needs. They are designed to be small and lightweight, yet are highly reliable and provide effective isolation.

Conclusion

KPC optoisolators provide effective isolation for circuits in a variety of applications. They use a combination of opto-coupling and transistor technology to provide electrical and optical isolation, while an extra transistor provides short-circuit protection and noise absorption. KPC isolators are designed to be small and lightweight, yet are highly reliable and provide effective isolation.

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