ITR8102

Series:	--
Packaging:	Bulk
Part Status:	Active
Sensing Distance:	0.118" (3mm)
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:	15µs
Operating Temperature:	-25°C ~ 85°C
Mounting Type:	Through Hole
Package / Case:	Slotted Module
Type:	Unamplified

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Optical Sensors - Photointerrupters - Slot Type - Transistor Output

An ITR8102 Photointerrupter uses a slot-type detection configuration with a transistor output for Opto-Electronic control of a variety of systems. Photointerrupters are often used in a variety of applications including positioning sensors (e.g. for motor control or process automation), protective circuits (fault detection, automatic valve control) and stationary machinery operations (like computer numerically controlled tools). This Transistor-output device provides Opto-Electronic control of circuits with fast response times.

What is an ITR8102?

An ITR8102 Photointerrupter combines an optical emitter and detector in one package, with an integrated, clocked working system. This device works by emitting an optical beam from the emitter module. When the optical beam is interrupted, the optical detector recognizes the interruption and triggers a transistor output.ITR8102 Photointerrupters are typically characterized by a 4-pin dual in-line package (DIP), with an emitter, detector, output and power pin. However, the actual physical size of the package can vary depending on the specific model of photointerrupter.

Application Fields of ITR8102

ITR8102 Photointerrupters cover a wide range of applications, such as:

• Position and speed control of motors or actuators
• Machine tool operations
• Fabrication process control
• Protective circuits for shutdowns
• Scanning operations
• Laser or CNC tools
• Automated conveyor systems
• Industrial process control
• Interfacing with electronic systems

The device is well-suited for use in automated systems due to its fast response time and miniaturized size. It is designed for use in high-reliability and maintenance-free settings, where speed is critical.

Working Principle of the ITR8102

ITR8102 Photointerrupters work in a simple circuit. The 4-pin photointerrupter has four electrical-mechanical connections. The emitter pin transmits a light signal, which is detected by the photodetector pin. When the light signal is blocked by a material in between the emitter and detector pins, the photodetector pin will no longer detect the light signal and the output will be triggered. This signifies an interruption in the light signal and is detected as an output signal for controlling electrical or electronic circuits. The ITR8102 is best suited for applications where a fast response time is required, as the signal transmission between the emitter and detector pins is extremely fast. This allows for real-time control of electrical systems with great precision and accuracy. This feature is particularly useful for applications where precise positioning or movement of materials is required.

Conclusion

The ITR8102 Photointerrupter is a versatile, transistor-output device that provides Opto-Electrical control for a variety of systems and applications. It can provide fast response times and reliable control in machinery operations, such as motor control, process automation, and computer numerically controlled tools. With its small size and high reliability, the ITR8102 Photointerrupter is an excellent choice for use in automated systems with a high level of precision.

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