PDB-C139F

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Wavelength:	950nm
Color - Enhanced:	Blue
Spectral Range:	700nm ~ 1100nm
Diode Type:	PIN
Responsivity @ nm:	--
Response Time:	50ns
Voltage - DC Reverse (Vr) (Max):	50V
Current - Dark (Typ):	5nA
Active Area:	4.12mm²
Viewing Angle:	59°
Operating Temperature:	-40°C ~ 80°C
Mounting Type:	Through Hole
Package / Case:	Radial, 5mm Dia (T 1 3/4)

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Introduction
The PDB-C139F is a high performance, reliable optical sensor for applications such as backlighting, distance measuring, refractive index detection, and ambient light sensing. It is a single-channel, high sensitivity, temperature tolerant, long-term stability, and low-cost solution for a broad range of applications. This optical sensor is available in different packages with varying performance characteristics.Application Field
The PDB-C139F optical sensor can be used in a variety of applications including backlighting, distance measuring, and refractive index detection. Its sensitivity makes it suitable for precision measurement and control of backlight intensity. The long-term stability of the sensor ensures reliable performance and accuracy. It can also be used for refractive index detection and distance measuring. The high temperature tolerance of the sensor allows for use in automation and robotic systems as well as outdoor applications.Working Principle
The PDB-C139F is based on a single-channel architecture that uses a photodiode for light-to-electrical detection. When light enters the photodiode, it is converted into electrical current. This current is then amplified with an operational amplifier to produce a higher power signal. The signal is then compared to a reference voltage to determine the output. The output is further processed to determine the intensity of the light and the distance of the target, depending on what application it is being used for.Conclusion
The PDB-C139F is an ideal optical sensor for a variety of applications including backlighting, distance measuring, and refractive index detection. It is reliable, temperature tolerant, and long-term stability, making it a cost effective and reliable solution. It is based on a single-channel architecture that uses a photodiode for light-to-electrical detection. The output of the sensor is then processed to determine the intensity of the light and the distance of the target, depending on what application it is being used for.

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