OPB840L11

Series:	--
Packaging:	Bulk
Part Status:	Active
Sensing Distance:	0.125" (3.18mm)
Sensing Method:	Transmissive
Output Configuration:	Phototransistor
Current - DC Forward (If) (Max):	50mA
Current - Collector (Ic) (Max):	30mA
Voltage - Collector Emitter Breakdown (Max):	30V
Response Time:	--
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Through Hole
Package / Case:	PCB Mount
Type:	Unamplified

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Optical Sensors - Photointerrupters - Slot Type - Transistor Output - OPB840L11 Application Field and Working Principle

The OPB840L11 from Optek Technology is a Slot-type Photointerrupter with a transistor output. It has many applications in a wide variety of industries, such as the automotive, medical, communications, and security industries. This article will discuss the application fields and the working principle of this device.

Application Fields

The OPB840L11 is aimed at providing manufacturers and designers with a reliable and cost effective solution to detecting the presence of objects and/or detecting changes in object size, shape and/or position. It is particularly suitable for use in machine automation and object sorting. In the automotive industry, it is widely used to detect the presence and/or position of components, such as connecting rods, drive shafts, and engine blocks. It can be used to detect the location of these components to facilitate the assembly process. In the medical industry, it is used to detect the presence of medical instruments and apparatus. It can be used to determine the size, shape and position of these instruments. This ensures accurate and safe treatment for patients. In the telecommunication industry, it is used to detect the presence and/or position of components in telecommunications systems. This helps to ensure the functions of the system are working properly. In the security industry, it is used to detect the presence and/or position of components in security systems. This helps to ensure that the system is secure and that intruders are detected.

Working Principle

The OPB840L11 operates using photoelectronic technology, which is based on the detection of light. The device contains an Infrared (IR) LED on one side and an NPN silicon phototransistor detector on the other side. When the IR LED is illuminated, the beam of light is received by the photodetector. If an obstacle is present in the path of the beam, it will interrupt the light signal, and the photodetector will generate a signal to indicate the presence of the obstacle. The output of the device is a transistor switch, which can be connected to a microcontroller for detecting and controlling operations. The output is an NPN transistor, which is activated when the light signal is interrupted. The output can be used to detect the presence of objects and also detect any changes in object size, shape and/or position. The OPB840L11 is a compact and easy to use device and provides a high degree of accuracy. It is suitable for a range of automated operations and can be used in a wide variety of applications. The OPB840L11 can operate in temperatures ranging from -40 to 125°C, making it suitable for use in extreme conditions. It is also highly resistant to shock, vibration and humidity, making it a reliable and durable solution for automated operations. In conclusion, the OPB840L11 is an excellent device for detecting the presence and/or position of objects in a variety of applications. It is a cost-effective solution that provides accuracy and reliability. The device operates using photoelectronic technology and provides a transistor switch output, which can be used to control and automate operations. It is a compact and robust device that is highly resistant to shock, vibration and humidity.

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