QSC5T50B

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Collector Emitter Breakdown (Max):	30V
Current - Collector (Ic) (Max):	50mA
Current - Dark (Id) (Max):	100nA
Wavelength:	940nm
Viewing Angle:	50°
Mounting Type:	Through Hole
Orientation:	Top View
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	Radial, 3mm Dia (T-1)

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Introduction

Optical Sensors - Phototransistors are a type of electronic device that detects and interprets the light levels by conversion of optical energy into electrical signals. This type of technology is used in a range of applications such as lighting, security, motion detection, photoelectric controls, and robotics. The QSC5T50B is one of the most popular optical sensors used in applications requiring higher signal correlations and signal-to-noise ratio. This article will discuss the application field and working principle of the QSC5T50B.

Application Field of the QSC5T50B

The QSC5T50B is a high-performance phototransistor that is suitable for applications that require fast response time and reliable switching performance. Its features make it an ideal choice for applications with digital and analogue control in industrial sensors and control systems.The QSC5T50B is commonly used in security systems, where it acts as an optical sensor to detect changes in light levels and trigger an alarm. It is also popular in motion detection systems, where it is used to detect movement within a certain radius and to activate the system. The device could also be used in robotic systems, to detect and monitor environmental variables, such as temperature, humidity, and air pressure.The QSC5T50B also has applications in photoelectric controls, such as in traffic indicator systems. This device is highly sensitive and can detect changes in the presence of light or dark. It can be used to activate and deactivate different lights and indicators to indicate the status of the system.

Working Principle of the QSC5T50B

The QSC5T50B is a phototransistor that converts light into an electrical signal. The device consists of an integrated bipolar transistor and a special photodiode, which provides the light-sensitive region. When light falls on the photodiode of the QSC5T50B, it produces electrons and holes which are then amplified by the integrated transistor to generate an electrical signal. The electrical signal is then used to control the output of the device.The QSC5T50B can operate with a wide range of light levels, allowing it to be used in applications where the light levels may vary. The device also has a high signal-to-noise ratio, making it suitable for applications with low noise requirements.

Conclusion

The QSC5T50B is a popular optical sensor that is suitable for a wide range of applications. It is known for its fast response time and high signal-to-noise ratio, which makes it an ideal choice for security, motion detection, photoelectric control, and robotic applications. The QSC5T50B is composed of an integrated transistor and a photodiode, and it works by converting light into an electrical signal.

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