OP803SL

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Optical sensors have been around for decades, with phototransistors one of the earliest standards for industrial use. OP803SL is one of the most reliable phototransistors on the market, designed to provide greater accuracy in measuring light intensity and working with a variety of applications. This article will go in-depth on discussing the application field and working principle of OP803SL.

Application Field

The OP803SL is an NPN silicon epitaxial planar phototransistor, ideal for use in single supply operation and designed for interfacing between conventional electrical circuitry and optical systems. It is a reliable and efficient device for direct detection of visible (and infra-red) optical signals with an overall response to 73% per watt.

The OP803SL is most commonly used in PIR (passive infrared) sensors, which can detect motion and distance. It is also ideal for use in security systems, optical communication, photo-coupling, signal light detection, and other applications that require signal detection from light sources. It is one of the most widely used phototransistors in the world, utilized in a variety of industries that require reliable and accurate measurements of light intensity.

The OP803SL is designed to be very stable and reliable in a range of environments and conditions. It offers an impressive performance in both temperature and humidity, and it has been tested extensively to provide a long life, even when working in extreme environments. It is also resistant to vibration and shocks, making it an ideal sensor for use in harsh conditions.

Working Principle

The OP803SL is a planar Si phototransistor, meaning it relies on a collector, emitter, and a base region that is exposed in order to detect light. As light is detected, electrons are generated in the base region, which then flow to the collector from the emitter. This flow of current is what changes the light intensity depending on the amount of photons that are detected.

The current that is generated is amplified in the OP80SL, meaning that it can measure small changes in light intensity. This then gives the user of the OP80SL the ability to measure the light intensity and accurately determine if there is a change. The OP80SL also has a very low response time, which means that it can detect even the slightest changes in light intensity.

The OP80SL is also designed to be more durable than other phototransistors. It is a high-temperature device, meaning it can withstand a wide range of temperatures and still operate correctly without any problems. It is also resistant to shock and vibration, making it an ideal sensor for use in harsh conditions.

Conclusion

The OP803SL is one of the most reliable and accurate phototransistors on the market, ideal for a variety of applications. It is designed for single supply operation and is able to measure light intensity quickly and accurately. It is also designed to be very durable and efficient, making it a great device to use in conditions such as security systems, photo-coupling, signal light detection, and other applications that require reliable signal detection.

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