OPB950Z

Series:	Photologic®
Part Status:	Active
Sensing Distance:	0.201" (5.1mm)
Sensing Method:	Transmissive
Output Configuration:	NPN - Open Collector, Inverted
Mounting Type:	Snap-In
Voltage - Supply:	4.75 V ~ 5.25 V
Response Time:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	PCB Mount

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Optical Sensors are widely used in the fields of automation, communication, and original equipment manufacturing (OEM). They are able to detect and process light signals to trigger a variety of responses. Photointerrupters, in particular, are used to detect changes in a light beam going through a slit. This article will explore the OPB950Z: its application field and working principle.The OPB950Z is a type of slot-type photointerrupter which uses a logic output. This means that it sends out a digital signal when the light beam is obstructed. It is designed with two phototransistors housed inside a plastic housing. It has a slit or gap in the middle and the photo transistors are arranged on either side of this slit. When a light source is pointing into the gap, the photo transistors will switch the signal on. When it is blocked, the signal will be terminated.The OPB950Z is typically used for industrial lighting solutions such as LED lighting, street lights, security lights, etc. Its advantages include:

• High detection accuracy - the phototransistors are finely placed in the slit to ensure accuracy when detecting the light beam.
• Long durability- the phototransistors are encased in plastic which makes them resistant to wear and tear.
• High switching speed- the photo transistors have a refreshing cycle of 10 microseconds, making them one of the fastest optical sensors on the market.

The major applications of the OPB950Z include lighting control in industrial settings and motion detection in automated systems. It can also be used in sensors such as car-bumper detectors, position detectors, and proximity switches. It is also used to detect the on/off condition of light beams in slot machines, door locks, and vending machines.In terms of working principle, the OPB950Z is relatively simple. It contains a light source which shines a beam of light into the slit or gap. This triggers the two photo transistors, which then switch the output signal on. When the light beam is obstructed, the photo transistors switch the output to the off condition. The whole process is very fast, taking about 10 microseconds.The OPB950Z is an effective and reliable slot-type photointerrupter with a logic output. It can be used to detect and control light beams in a variety of lighting applications, as well as for motion detection and other sensor applications. With its high accuracy, long durability, and fast switching speed, it is a valuable tool for industrial automation and control systems.

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