OPB627

Series:	Photologic®
Part Status:	Active
Sensing Distance:	0.190" (4.83mm)
Sensing Method:	Transmissive
Output Configuration:	Pull-Up Resistor, Inverted
Mounting Type:	Through Hole
Current - Supply:	12mA
Voltage - Supply:	4.5 V ~ 16 V
Response Time:	30ns
Operating Temperature:	-40°C ~ 100°C (TA)
Package / Case:	PCB Mount

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Optical Sensors are used in a multitude of applications, ranging from the industrial to the commercial. One particular type of Optical Sensor, called a Photointerrupter, features a slot type logic output. The OPB627 is one such device, and it can be utilized in a variety of applications. This article will discuss the OPB657\'s application field and working principle.

What is a Photointerrupter?

A Photointerrupter is an optical switch that is commonly used in optical sensing systems. The Photointerrupter is typically composed of an emitter, such as an LED, and a photosensitive receiver, along with some supporting materials. When light from the emitter is interrupted by an object in the sensing area, the interruptions in the light beam are detected by the photosensitive receiver, triggering a signal that can then be used for a variety of purposes.

OPB627 Application Field

The OPB627 is a type of Photointerrupter that features a slot type logic output. This makes the OPB627 well-suited for applications such as motor control, object detection and detection of small parts in production lines. The OPB627 is especially suited for applications in highly confined spaces where precision is needed. Additionally, the OPB627 is extremely reliable and, thanks to its compact size, it can be easily fitted into existing designs without requiring substantial modification.

OPB627 Working Principle

The OPB627 is composed of an infrared LED and an NPN phototransistor. The LED emits a beam of infrared light, which is directed onto the phototransistor. When the beam of light is interrupted — by an object in the sensing area, for example — the interruption is detected by the phototransistor, and a signal is sent. This signal is used to control or actuate a variety of devices.The OPB627 offers a slot type logic output, meaning that the output signal is either on or off. This makes the OPB627 ideal for applications that require a switch-type response. Additionally, the OPB627 can detect objects up to a distance of 1.7 mm, thanks to its highly sensitive phototransistor.

Conclusion

The OPB627 is a type of Photointerrupter with a slot type logic output, making it ideal for applications such as motor control and object detection. The OPB627 is also highly reliable and can detect objects up to 1.7 mm. This makes it well-suited for applications where precision and reliability are of the utmost importance.

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