SD019-141-411-R Sensors, Transducers

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Optical sensors are application-specific devices that convert light into an electrical output signal. Photodiodes, in particular, are devices that take advantage of the photoelectric effect to detect and measure electromagnetic radiation. The SD019-141-411-R is an example of a photodiode application that, with its respective working principle, can be used in a myriad of applications to obtain useful signals in a wide variety of fields.

Application of the SD019-141-411-R The SD019-141-411-R is a series p-type photodiode in a plastic package with a diffused window. It has a robust construction, with its hermetically sealed glass aperture and flat surface for maximum interaction with light sources. This makes the device suitable for a wide range of applications, including visible light detection, radiation measurements, pulsed light detection, and spectrometry. Common applications are either data transmission or sensing light sources. Its peak spectral response of this photodiode ranges from 400 nm up to 1100 nm, and the response is close to that of the human eye in the visible range.

In addition to its excellent spectral response, the SD019-141-411-R is equipped with an unusually wide LED linear photocurrent range. Its photocurrent range is from 3 μA to 130 μA with a sensitivity of about 9 μA/lx, making the device an ideal choice for applications requiring a wide dynamic range. Typical response time for the SD019-141-411-R is below 1 ms, which makes it suitable for quick response applications and allows for a fast and accurate measurement of the intensity of light.

Working Principle of the SD019-141-411-R The SD019-141-411-R is a p-type photodiode that takes advantage of the photoelectric effect to detect and measure electromagnetic radiation. When a photon hits the device’s active area, it generates a charge carrier pair and a current is created. This current is known as photo-electromotive force (EMF) and is proportional to the incident light intensity.

The SD019-141-411-R is constructed with a vacuum (or air) dielectric, with an anode connected to the signal wire and the cathode linked to the ground. This provides an efficient electrical conductivity between the active area and the terminals. When light hits the active area, an electron-hole pair is generated. The majority carriers (electrons in this case) move towards the anode and create a photocurrent.

The source of light determines the type of photodiode to be used, as well as the spectral response range. In the case of the SD019-141-411-R, LED’s are generally used due to their wide spectral response range and their ability to provide intense levels of light. The SD019-141-411-R is designed to convert the detected light signal into a current that can be measured and processed by a controller.

Conclusion The SD019-141-411-R is a series p-type photodiode that takes advantage of the photoelectric effect to detect electromagnetic radiation. Its hermetically sealed glass aperture and flat surface make it ideal for applications such as visible light detection, radiation measurements, pulsed light detection, and spectrometry. It also has a wide spectral response ranging from 400 nm to 1100 nm and a photocurrent range of 3 μA to 130 μA. The device is also suitable for fast response applications such as data transmission or sensing light sources. The SD019-141-411-R is an ideal solution for those who require an accurate and reliable light detection device.

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