OPB870T55TX

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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OPB870T55TX is a type of slot type photointerrupter, which belongs to the group of optical sensors. It is a device that converts light into an electrical signal, generally used in applications that require the sensing of objects travelling through a slot. It is widely used for object detection, counting or the measurement of motion control in automation equipment. The OPB870T55TX consists of two parts: an infrared emitter and receiver. An infrared light beam is emitted from the emitter which, when interrupted by an object entering the slot, is detected by the receiver. This triggers the energizing of the output transistor, which in turn provides a signal indicating the presence of an object.The OPB870T55TX has various advantages over other slot type photointerrupters. It has an infra-red light source and detector that are mounted as one unit, resulting in a fast response time of 6us. It is also compact and light-weight with a narrow package. Furthermore, it is easy to assemble into automatic control equipment, and its long life of 300,000 cycles make it highly reliable and cost-effective. The main application field of the OPB870T55TX is automation control, specifically for the detection of objects. It can be used to detect objects for counting, measuring speed and distance, detecting objects at various heights, and monitoring the start and stop of equipment. The OPB870T55TX is also suitable for use in metal manufacturing and other precision machinery.The OPB870T55TX has a two-pin NPN transistor output which provides an output signal when an object is detected. The output signal is either in the “on” or “off” state. When an object interrupts the light beam, the internal transistor is energised and conducts current. This in turn activates the output signal, providing an open collector logic output. The OPB870T55TX is designed to be used in difficult environments, as it is resistant to dust and moisture. It also offers protection against EMI interference from high-frequency switching circuits and the operation of adjacent signals with minimal crosstalk.In conclusion, the OPB870T55TX has a wide range of applications and is a highly efficient and reliable optical slot type photointerrupter. Its ease of assembly, fast response time, high cycle life and protective features make it ideal for use in automation equipment and other precision machinery.

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