Reflective Optical Sensors

Reflective optical sensors are photoelectrical sensors that are used to detect the presence or absence of objects, or measure the distance to those objects. They are a non-contact type of sensor, often used in the automation industry. They can be used to provide real-time information in a manufacturing setting in order to keep processes running smoothly.

How do reflective optical sensors work?

A reflector is positioned opposite the light sensor, and a light beam is passed back and forth between the two. When an object is present, the beam is interrupted, and the sensor will send an electrical signal to the output device.

In some cases, polarising filters may be needed if the objects being detected are themselves reflective. These allow the sensor to tell the difference between light reflected by the reflector and the object.

Advantages of using reflective optical sensors

The advantage of using a reflective optical sensor over a through beam sensor is that they are much easier and less time consuming to install. This is because the transmitter and receiver are housed within the same body.


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Description Price Peak Sensor Distance Output Device Typical Rise Time Typical Fall Time Number of Channels Number of Pins Mounting Type Package Type Dimensions Height Length Maximum Operating Temperature Minimum Operating Temperature Width
RS Stock No. 666-6577
Mfr. Part No.GP2Y0A710K0F
BrandSharp
kr 159,92
Each
Units
5500mm - - - - - - - - - - +60°C -10°C -
RS Stock No. 178-7429
Mfr. Part No.GP2Y0A710K0F
BrandSharp
kr 123,526
Each (In a Box of 500)
Units
5500mm - - - - - - - - - - +60°C -10°C -
RS Stock No. 170-2386
Mfr. Part No.GP2Y0A02YK0F
BrandSharp
kr 96,729
Each (In a Tray of 50)
Units
1500mm - - - - 3 Screw Mount - 44.5 x 18.9 x 21.6mm 21.6mm 44.5mm +60°C -10°C 18.9mm
RS Stock No. 315-450
Mfr. Part No.GP2Y0A02YK0F
BrandSharp
kr 130,81
Each
Units
1500mm - - - - 3 Screw Mount - 44.5 x 18.9 x 21.6mm 21.6mm 44.5mm +60°C -10°C 18.9mm
RS Stock No. 666-6564
Mfr. Part No.GP2Y0A21YK0F
BrandSharp
kr 99,90
Each
Units
800mm - - - - - - - - - - +60°C -10°C -
RS Stock No. 667-5041
Mfr. Part No.GP2S60
BrandSharp
kr 7,418
Each (In a Pack of 5)
Units
0.7mm Phototransistor 20µs 20µs 1 4 Surface Mount SMD 3.2 x 1.7 x 1.1mm 1.1mm 3.2mm +85°C -25°C 1.7mm
RS Stock No. 178-7437
Mfr. Part No.GP2Y0A21YK0F
BrandSharp
kr 58,233
Each (In a Box of 1000)
Units
800mm - - - - - - - - - - +60°C -10°C -
RS Stock No. 666-6568
Mfr. Part No.GP2Y0A41SK0F
BrandSharp
kr 85,54
Each
Units
300mm - - - - - - - - - - +60°C -10°C -
RS Stock No. 178-7438
Mfr. Part No.GP2Y0A41SK0F
BrandSharp
kr 53,774
Each (In a Tray of 1000)
Units
300mm - - - - - - - - - - +60°C -10°C -
RS Stock No. 170-2453
Mfr. Part No.GP2S60
BrandSharp
kr 3,009
Each (On a Reel of 2000)
Units
0.7mm Phototransistor 20µs 20µs 1 4 Surface Mount SMD 3.2 x 1.7 x 1.1mm 1.1mm 3.2mm +85°C -25°C 1.7mm
RS Stock No. 919-0001
Mfr. Part No.TCRT5000
BrandVishay
kr 6,449
Each (In a Tube of 50)
Units
2.5mm - - - - - - - - - - - - -
RS Stock No. 178-7439
Mfr. Part No.GP2Y0D810Z0F
BrandSharp
kr 36,816
Each (In a Tray of 1000)
Units
100mm Photodiode - - - - - - - - - +60°C -10°C -
RS Stock No. 178-2947
Mfr. Part No.HSDL-9100-021
BrandBroadcom
kr 8,315
Each (On a Reel of 2500)
Units
5mm Photodiode 50ns 50ns - 4 Surface Mount SMD 6.9 x 2.78 x 2.7mm 2.7mm 6.9mm +85°C -40°C 2.75mm
RS Stock No. 708-5017
Mfr. Part No.TCRT5000
BrandVishay
kr 10,528
Each (In a Pack of 5)
Units
2.5mm Phototransistor - - 1 - Through Hole PCB - 7mm 10.2mm + 85°C - 25°C -
RS Stock No. 666-6580
Mfr. Part No.GP2Y0D810Z0F
BrandSharp
kr 40,48
Each
Units
100mm Photodiode - - - - - - - - - +60°C -10°C -
RS Stock No. 496-6443
Mfr. Part No.HSDL-9100-021
BrandBroadcom
kr 15,154
Each (In a Pack of 5)
Units
5mm Photodiode 50ns 50ns - 4 Surface Mount SMD 6.9 x 2.78 x 2.7mm 2.7mm 6.9mm +85°C -40°C 2.75mm
RS Stock No. 170-0731
Mfr. Part No.OPB720B-30VZ
BrandOptek
kr 188,086
Each (In a Bag of 25)
Units
762mm Open Collector - - 1 3 - - 17.15 x 8.38 x 27.94mm 27.94mm 17.15mm +70°C 0°C 8.38mm
RS Stock No. 170-0732
Mfr. Part No.OPB720B-06Z
BrandOptek
kr 112,422
Each (In a Bag of 25)
Units
152mm Open Collector - - 1 3 - - 17.15 x 8.38 x 27.94mm 27.94mm 17.15mm +70°C 0°C 8.38mm
RS Stock No. 178-7542
Mfr. Part No.QRE1113
kr 3,533
Each (In a Bag of 1600)
Units
- Phototransistor 20µs 20µs 1 4 Through Hole Miniature 3.6 x 2.9 x 1.7mm 1.7mm 3.6mm +85°C -40°C 2.9mm
RS Stock No. 170-0783
Mfr. Part No.OPB350W250Z
BrandOptek
kr 56,00
Each (In a Bag of 25)
Units
6.35mm Phototransistor - - 1 4 Screw Mount - 29.59 x 7.62 x 13.34mm 13.34mm 29.59mm +85°C -40°C 7.62mm
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