5962-8957202KEC

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Optoisolators – Logic Output are a type of device used to provide electrical isolation between two circuits, as well as improve noise immunity and increase system reliability. The 5962-8957202KEC is a low-cost opto-isolator family particularly well-suited for single-row logic output applications that require cost effective digital isolation.

The 5962-8957202KEC are hermetically sealed in a five leaded plastic dual-in-line (DIP) package. The four external leads provide electrical connections to the application circuitry, while the fifth, internal lead is connected to the LED source. The package provides the necessary optically coupled electrical insulation between the two circuits.

Applications

The 5962-8957202KEC is designed to help protect low voltage control circuits from undesired contact with higher voltage levels. Typical applications include circuit isolation/protection, process control, factory automation, medical equipment, office automation and other industrial control applications. With a minimal amount of external circuitry, the opto-isolator can function in various logic output applications including required synchronizing between many logic families, or as an interface with various standard logic output.

Working Principle

The 5962-8957202KEC opto-isolator consists of a source LED that transmits a light beam to an internal photo detector when power is applied. The photo detector, usually in the form of a Darlington photo transistor, converts the light signal into an electrical signal. The signal then travels through the insulated space between the two circuits, allowing the control logic to be unaffected by electrical noise from the load circuit. The LED may be triggered by either the common (GND) or positive (+5V) logic levels, and the opto-isolator’s output will correspond to the received logic level.

In addition, due to the insulated space between the LED and photo detector, the opto-isolator provides 5000V RMS isolation between the two electrical circuits, helping to prevent electrical noise from being transferred between the two. The high degree of isolation minimizes the possibility of false signals or cross talk and also maximizes interference immunity.

Conclusion

The 5962-8957202KEC is an opto-isolator that is convenient and easy to use, providing circuit protection, isolation, efficiency, and noise immunity. It is particularly well-suited for single-row logic output applications and can also be used in various other applications that require a high level of electrical insulation. With its versatile capabilities and wide application field, the 5962-8957202KEC could be an ideal choice for many different projects.

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