PDB-C618-3

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Optical sensors are one of the most important means of detecting changes in the light environment and reflecting them as a signal, such as the change of light intensity, color, distance, motion, etc. As a type of optical sensitive device, photo-diode (PD) is very important in measuring the magnitude of light power or light power changes, which is applied widely in many areas.

The photo-diode PDB-C618-3 is a high performance silicon photo-diode packaged in a metal TO-39 box. It is used for receiving and converting optical signals and amplifying them. It has high sensitivity, low noise and linear response, wide dynamic range, and fast response time. Its operating wavelength range is from 300 to 1100 nm, with the peak sensitivity at 810nm.

The working principle of PDB-C618-3 is based on the photoelectric principle. When the incident light falls on the photo diode, electrons and holes are generated, which will create a current. On the other hand, when this current is converted with a matched op amp, a voltage is generated called photocurrent, which is proportional to the intensity of incident light. According to the arrangement of different components and circuit structure, this photo diode circuit can further convert the photovoltage to the amplitude of optical power.

With its high sensitivity, wide dynamic range and fast response time, PDB-C618-3 has wide application fields in optical measurements, such as photographic equipment, optical communication, optical fiber sensors, scientific experiments and medical instruments. It can also be used in the research of light noise in electronic circuit systems, optical power detection of small light sources, and optical measuring technology in factories. Because of its compact size, the PDB-C618-3 is widely used for space application. What’s more, this photo diode also has great performance in general-purpose optical detection experiments or circuit systems.

In conclusion, PDB-C618-3 is a high performance photo-diode with great applications in many areas. It has wide operating wavelength range, high sensitivity, low noise and linear response, wide dynamic range, and fast response time. It can be used in space application, optical measurements, light noise in electronic circuit systems and optical power detection of small light sources. All these features make PDB-C618-3 a great choice when selecting an optical sensor.

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