PNZ108CLS

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Optical Sensors - Phototransistors, such as the PNZ108CLS, are transistors with a photodetector integrated as their base. This combination allows for a detector and an amplifier to be integrated into one device, making it an ideal choice for applications where cost is an issue.

The PNZ108CLS is a type of silicon PIN photodetector with a collector-base reverse-biased junction formed by an epitaxial structure. This device is well-suited for sensing visible and near-infrared light. The active area of the device has an area of 0.48 square millimeters, and is illuminated through a 20-micrometer thin film window. This device is offered with an active area Tolerance of 20%. The ambient light rejection ratio is typically 27 dB.

The PNZ108CLS\'s working principle relies on the photoelectric effect, in which a photon of light is absorbed by the device\'s active junction, causing a photocurrent to flow in the external circuit. This photocurrent is proportional to the intensity of the light and is a measure of the energy of the absorbed photon. Light of different wavelengths can be detected using a bandpass filter when using PIN photodetectors.

The PNZ108CLS can be used for many applications. It is usually used in optical communications to detect signals in lightwave systems, such as in the transmission and reception of data. Another application for this device is the detection of infrared radiation, which makes it a great choice for motion sensing or IR data communication. Additionally, it can be used in consumer electronics, such as for touchpads and buttons. It can also be used to measure ambient light in buildings.

Due to its compact design and low cost, the PNZ108CLS has become a popular choice for many applications requiring optical detection. Its wide operating temperature range makes it suitable for both indoor and outdoor applications, while its integrated architecture allows easy integration with other components. Lastly, its high ambient light rejection ratio makes it ideal for applications requiring the detection of very weak signals in a noisy environment.

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