SD380-23-21-251

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Optical sensors are one of the most widely used sensing technologies in industrial automation. In particular, photodiodes are used for a variety of applications such as light sensing, position sensing, and range sensing. The SD380-23-21-251 is part of the Silicon Germanium range of photodiodes from Panasonic. Its unique features make it useful in a variety of industrial automation applications.

Applications of SD380-23-21-251

The SD380-23-21-251 is a fast, all silicon-germanium photodiode detector which can detect visible or near-infraredlight from 650 nanometres to 1070 nanometres. It is ideal for applications with changing lighting or ambient conditions, such as motion detection or object tracking. It can also be used for position sensing applications, such as the automatic alignment or monitoring of objects. The device has a high level of responsivity and a wide dynamic range, making it useful for range sensing such as distance measurement. Additionally, the photodiode can be used for general optical signal detection such as for light sources, switching signals, and spectral analysis.

Working Principle

The SD380-23-21-251 photodiode consists of an active layer which contains a PN junction. When illuminated, electrons in the active layer are excited by photons and the resulting current is detected by transimpedance amplifiers in the device. This current is proportional to the intensity of the light and can be used to measure the position and range of objects, detect motion, or detect optical signals.

The photodiode is sensitive to light in the range of 650nm to 1070nm, with a maximum responsivity of 1.2 A/W at 850nm. It has an dark current of 0.5nA and a high input impedance of 10^15ohms. The detector is also very fast, with a rise time of 5ns and a fall time of 10ns. The device has a wide dynamic range, allowing it to accurately measure a dimly lit as well as a brightly lit signal.

Conclusion

The SD380-23-21-251 photodiode from Panasonic is a fast and accurate optical detector which can be used for a variety of tasks in industrial automation. It is sensitive in the range from 650nm to 1070nm and has a wide dynamic range, making it suitable for applications such as motion detection, object tracking, range sensing, and general optical signal detection. The photodiode has a high input impedance and a fast rise and fall time, making it ideal for high speed applications. This versatile photodiode is sure to be an essential part of many industrial automation systems.

The specific data is subject to PDF, and the above content is for reference