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庫存編號 182-8042
製造零件編號RPR-220PC30N
BrandROHM
TWD103.30
毎管:2500 個
單位
6mm Phototransistor 10µs 10µs 1 4 Through Hole - 6.4 x 4.9 x 6.5mm 6.5mm 6.4mm +85°C -25°C 4.9mm
RS庫存編號 170-0908
製造零件編號TMD26711
Brandams
TWD67.10
個 (在毎卷:2500)
單位
100mm Photodiode 20ns 20ns 1 8 Surface Mount Flat No Lead 3.94 x 2.36 x 1.35mm 1.35mm 3.94mm +85°C -30°C 2.36mm
RS庫存編號 146-0785
製造零件編號GP2Y1012AU0F
BrandSharp
TWD396.00
單位
- - - - - - Surface Mount - 46 x 34 x 17.6mm 17.6mm 46mm +65°C -10°C 34mm
RS庫存編號 146-0728
製造零件編號GP2A25NJJ00F
BrandSharp
TWD138.70
個 (以毎袋:100)
單位
9 (Detection) mm, 27 (Non-Detection) mm Photointerrupter - - - - Surface Mount - 39.8 x 9 x 8.65mm 8.65mm 39.8mm +60°C -10°C 9mm
RS庫存編號 862-9400
製造零件編號QRE1113
TWD25.70
/個 (每包:10個)
單位
- 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庫存編號 161-2050
製造零件編號VCNT2020
BrandVishay
TWD13.90
個 (在毎卷:3000)
單位
2.5mm Phototransistor 10µs 15µs - 4 Surface Mount SMD 2.5 x 2 x 0.8mm 0.8mm 2.5mm 85°C -25°C 2mm
RS庫存編號 170-0731
製造零件編號OPB720B-30VZ
BrandOptek
TWD1,162.40
個 (以毎袋:25)
單位
762mm Open Collector - - 1 3 - - 17.15 x 8.38 x 27.94mm 27.94mm 17.15mm +70°C 0°C 8.38mm
RS庫存編號 146-0746
製造零件編號GP2Y0A51SK0F
BrandSharp
TWD206.00
Each (In a Tray of 50)
單位
15cm - - - - - Surface Mount - 27 x 13.2 x 12mm 12mm 27mm +60°C -10°C 13.2mm
RS庫存編號 170-2820
製造零件編號EE-SY1200
BrandOmron
TWD51.20
個 (在毎卷:2000)
單位
4mm Phototransistor 30µs 30µs 10 4 Surface Mount SMD 3.2 x 1.9 x 1.1mm 1.1mm 3.2mm +85°C -25°C 1.9mm
RS庫存編號 740-5058
製造零件編號NJL5901AR-1-TE1
TWD17.40
/個 (每包:5個)
單位
- Phototransistor 30µs 30µs 1 4 Surface Mount COBP - 0.6mm 1.6mm +85°C -30°C 1.3mm
RS庫存編號 666-6570
製造零件編號GP2Y0D21YK0F
BrandSharp
TWD306.00
單位
- - - - - - - - - - - +60°C -10°C -
RS庫存編號 642-4323
製造零件編號OPB350W250Z
BrandOptek
TWD222.00
單位
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
RS庫存編號 788-4928
製造零件編號EE-SY1200
BrandOmron
TWD100.50
/個 (每包:2個)
單位
4mm Phototransistor 30µs 30µs 10 4 Surface Mount SMD 3.2 x 1.9 x 1.1mm 1.1mm 3.2mm +85°C -25°C 1.9mm
RS庫存編號 146-0721
製造零件編號GP2A230LRS0F
BrandSharp
TWD103.60
個 (以毎袋:100)
單位
9 (Detection) mm, 27 (Non-Detection) mm Photointerrupter - - - - Snap-In - 32.8 x 8 x 8mm 8mm 32.8mm +70°C -10°C 8mm
RS庫存編號 170-0732
製造零件編號OPB720B-06Z
BrandOptek
TWD455.40
個 (以毎袋:25)
單位
152mm Open Collector - - 1 3 - - 17.15 x 8.38 x 27.94mm 27.94mm 17.15mm +70°C 0°C 8.38mm
RS庫存編號 182-8087
製造零件編號RPI-1035
BrandROHM
TWD72.80
/個 (每包:5個)
單位
- Phototransistor 10ms 10ms 1 6 Surface Mount - 3.9 x 3.9 x 2.4mm 2.4mm 3.9mm +85°C -25°C 3.9mm
RS庫存編號 773-3993
製造零件編號TCND5000
BrandVishay
TWD90.00
單位
6mm Photodiode 800ns 800ns 1 4 Surface Mount - 6 x 3.7 x 3.75mm - - +85°C -40°C -
RS庫存編號 182-8041
製造零件編號RPI-122
BrandROHM
TWD23.40
個 (以毎袋:2000)
單位
0.8mm Phototransistor 10µs 10µs 1 4 Through Hole - 3.6 x 3.4 x 3.3mm 3.3mm 3.6mm +85°C -25°C 3.4mm
RS庫存編號 146-0727
製造零件編號GP2A200LCS0F
BrandSharp
TWD120.30
個 (以毎袋:100)
單位
22 (Detection) mm, 90 (Non-Detection) mm Photointerrupter - - - - Surface Mount - 39.8 x 9 x 8.65mm 8.65mm 39.8mm +70°C -10°C 9mm
RS庫存編號 146-0741
製造零件編號GP2Y1012AU0F
BrandSharp
TWD318.10
Each (In a Tray of 50)
單位
- - - - - - Surface Mount - 46 x 34 x 17.6mm 17.6mm 46mm +65°C -10°C 34mm