OPB680-20

Series:	--
Packaging:	Bulk
Part Status:	Active
Sensing Distance:	--
Sensing Method:	Optical Flag
Output Configuration:	Transistor, Base-Emitter Resistor
Current - DC Forward (If) (Max):	50mA
Current - Collector (Ic) (Max):	30mA
Voltage - Collector Emitter Breakdown (Max):	30V
Response Time:	--
Operating Temperature:	-40°C ~ 100°C
Mounting Type:	Through Hole
Package / Case:	PCB Mount
Type:	Unamplified

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OPB680-20 Application Field and Working Principle

Optical sensors are devices that offer a wide range of potential applications, including the detection and control of light levels, the positioning of moving objects, and the concentration of light beams. Photointerrupters, in particular, are used in a wide range of situations to detect the interruption or presence of a beam of light across a certain gap. The OPB680-20 is one such photointerrupter, and its usage and working principle are explained below.

Slot Type

The OPB680-20 is a slot-type photointerrupter, meaning that the optical isolation between the emitter and detector is achieved by placing them in two different slots in the package. The length of the slots can be customised according to the application. This makes the OPB680-20 particularly well-suited for applications in narrow spaces, such as those found in electronic equipment, where a more traditional type of photointerrupter would not be able to fit.

Transistor Output

The OPB680-20 features a transistor output, meaning that it can be connected to electronic circuits by directly providing a transistor output. This output can be used to control other devices or circuits, providing a more precise, fast, and flexible control system. Furthermore, because of the built-in transistor output, the OPB680-20 is not limited to only light-sensing applications; it can be used for a host of other sensing applications too.

Working Principle

The OPB680-20 utilises a phototransistor design. A light beam is emitted from the LED on the emitter side, passes through the slot, and is detected by the phototransistor on the detector side. When the light beam passes through the slot, it creates an electrical signal; when the light beam is interrupted, the transistor switches off, creating a logic low output. The OPB680-20 can be used to control a variety of applications, such as the movement of objects or the detection of light changes.

Applications

The versatile nature of the OPB680-20 makes it suitable for a variety of applications, including position detection, level control, and button press detection. Additionally, the slot-type design of the device is ideal for applications in narrow spaces, such as the buttons on a device. The OPB680-20 is also a cost-effective solution for many different types of sensing applications.

Conclusion

The OPB680-20 is a highly versatile application-specific photointerrupter. It features a slot-type design, as well as a transistor output, making it suitable for a variety of sensing applications. Furthermore, because of its cost-effectiveness and easy integration into other systems, the OPB680-20 is an ideal choice for many sensing applications.

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