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EX-20 Series - Miniature Photoelectric Sensors

EX-20 Series - Miniature Photoelectric Sensors

Ultra small photoelectric sensors with integrated sensitivity adjuster

  • Front and side sensing options
  • Up to 2 meter range with thru-beam version
  • Convergent and diffuse version with narrow LED beam
The EX-20 series reaches the pinnacle of sensor miniaturization. By fabricating the photo-diode and the A/D conversion circuit on the same chip, Panasonic (formerly Sunx) has achieved one of the smallest built-in amplifier sensors in the world. With integrated sensitivity adjustment, the EX-20 series is great for use as an all-purpose sensor. Even though the sensor is extremely small, the sensing distance is not compromised. Up to a 2m detection distance is possible with the thru-beam type, 200mm with the retro-reflective type, and 160mm for the diffuse reflective type. A visible red beam spot allows for easy confirmation of alignment. Also, the LED used in the EX-20 series provides a high-power, narrow beam that can produce a spot as small as 1mm in diameter. This is great for the detection of small objects such as chip components or wires. The mounting options available include a front sensing type as well as a side sensing type. Each type has two, metal reinforced M3 mounting holes for stable sensor placement.



pdfEX-20 Series Brochure7.12 MB
pdfEX-20 Series Instruction Manual182.98 KB 
pdfEX-20 User Manual1.37 MB

3D Cad Drawings
zipEX-20 Series CAD / IGS Drawings637.49 KB
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EX-21A Front Sensing Ultra-Compact Thrubeam Photoelectric Sensor - NPN - Light-On
Sunx Ultra Compact Thrubeam Photoelectric Sensor12 to 24 VDCFront Sensing TypeOnly 4.5mm thickRed LE..
$105.20 $96.78
EX-21A-PN Front Sensing Ultra-Compact Thrubeam Photoelectric Sensor - PNP - Light-On
Sunx Ultra Compact Thrubeam Photoelectric Sensor12 to 24 VDCFront Sensing TypeOnly 4.5mm thickRed LE..
$105.20 $96.78
EX-21B Front Sensing Ultra-Compact Thrubeam Photoelectric Sensor - NPN - Dark-On
Sunx Ultra Compact Thrubeam Photoelectric Sensor12 to 24 VDCFront Sensing TypeOnly 4.5mm thickRed LE..
$105.20 $96.78
EX-21B-PN Front Sensing Ultra-Compact Thrubeam Photoelectric Sensor - PNP - Dark-On
Sunx Ultra Compact Thrubeam Photoelectric Sensor12 to 24 VDCFront Sensing TypeOnly 4.5mm thickRed LE..
$105.20 $96.78
EX-21B-R Front Sensing Ultra-Compact Thrubeam Photoelectric Sensor - NPN - Dark-On - 2m Robotic Cable
Sunx Ultra Compact Thrubeam Photoelectric Sensor12 to 24 VDCFront Sensing TypeOnly 4.5mm thickRed LE..
$189.00 $173.88
EX-22A Side Sensing Ultra-Compact Diffuse Reflective Photoelectric Sensor - NPN - Light-On
Sunx Ultra Compact Diffuse Reflective Photoelectric Sensor12 to 24 VDCSide Sensing TypeOnly 8.2mm th..
$84.20 $77.46
EX-22A-PN  Side Sensing Ultra-Compact Diffuse Reflective Photoelectric Sensor - PNP - Light-On
Sunx Ultra Compact Diffuse Reflective Photoelectric Sensor12 to 24 VDCSide Sensing TypeOnly 8.2mm th..
$84.20 $77.46
EX-22B Side Sensing Ultra-Compact Diffuse Reflective Photoelectric Sensor - NPN - Dark-On
Sunx Ultra Compact Photoelectric Sensor12 to 24 VDCSide Sensing Type. Only 8.2mm thickDiffuse Reflec..
$84.20 $77.46
EX-22B-PN Side Sensing Ultra-Compact Diffuse Reflective Photoelectric Sensor - PNP - Dark-On
Sunx Ultra Compact Photoelectric Sensor12 to 24 VDCSide Sensing Type. Only 8.2mm thickDiffuse Reflec..
$84.20 $77.46
EX-23 Side Sensing Ultra-Compact Thrubeam Photoelectric Sensor - NPN - Switchable
Sunx Ultra Compact Thrubeam Photoelectric Sensor12 to 24 VDCSide Sensing TypeOnly 8.2mm thickRed LED..
$116.90 $107.54
EX-23-C5 Side Sensing Ultra-Compact Thrubeam Photoelectric Sensor - NPN - Switchable - 5m Cable
Sunx Ultra Compact Thrubeam Photoelectric Sensor12 to 24 VDCSide Sensing TypeOnly 8.2mm thickRed LED..
$157.80 $145.17
EX-23-PN  Side Sensing Ultra-Compact Thrubeam Photoelectric Sensor - PNP - Switchable
Sunx Ultra Compact Thrubeam Photoelectric Sensor12 to 24 VDCSide Sensing TypeOnly 8.2mm thickRed LED..
$116.90 $107.54
EX-24A Front Sensing Ultra-Compact Diffuse Type Photoelectric Sensor - NPN - Light-On
Sunx Ultra Compact Diffuse Convergent Photoelectric Sensor12 to 24 VDCFront Sensing TypeOnly 4.5mm t..
$81.80 $75.25
EX-24A-PN Front Sensing Ultra-Compact Diffuse Type Photoelectric Sensor - PNP - Light-On
Sunx Ultra Compact Diffuse Convergent Photoelectric Sensor12 to 24 VDCFront Sensing TypeOnly 4.5mm t..
$81.80 $75.25
EX-24B Front Sensing Ultra-Compact Diffuse Type Photoelectric Sensor - NPN - Dark-On
Sunx Ultra Compact Diffuse Convergent Photoelectric Sensor12 to 24 VDCFront Sensing TypeOnly 4.5mm t..
$81.80 $75.25
EX-24B-PN Front Sensing Ultra-Compact Diffuse Type Photoelectric Sensor - PNP - Dark-On
Sunx Ultra Compact Diffuse Convergent Photoelectric Sensor12 to 24 VDCFront Sensing TypeOnly 4.5mm t..
$81.80 $75.25
EX-24B-R Front Sensing Ultra-Compact Diffuse Type Photoelectric Sensor - NPN - Dark-On - 2m Robotic Cable
Sunx Ultra Compact Diffuse Convergent Photoelectric Sensor12 to 24 VDCFront Sensing TypeOnly 4.5mm t..
$141.75 $130.41
EX-26A Side Sensing Ultra-Compact Small Spot Beam Type Photoelectric Sensor - NPN - Light-On
Sunx Ultra Compact Diffuse Convergent Photoelectric SensorSmall spot beam type12 to 24 VDCSide Sensi..
$95.80 $88.13
EX-26A-PN  Side Sensing Ultra-Compact Small Spot Beam Type Photoelectric Sensor - PNP - Light-On
Sunx Ultra Compact Diffuse Convergent Photoelectric SensorSmall spot beam type12 to 24 VDCSide Sensi..
$95.80 $88.13
EX-26B Side Sensing Ultra-Compact Small Spot Beam Type Photoelectric Sensor - NPN - Dark-On
Sunx Ultra Compact Diffuse Convergent Photoelectric SensorSmall spot beam type12 to 24 VDCSide Sensi..
$95.80 $88.13
EX-26B-PN Side Sensing Ultra-Compact Small Spot Beam Type Photoelectric Sensor - PNP - Dark-On
Sunx Ultra Compact Diffuse Convergent Photoelectric SensorSmall spot beam type12 to 24 VDCSide Sensi..
$95.80 $88.13
EX-28A Side Sensing Ultra-Compact Long Distancel Spot Beam Type Photoelectric Sensor - NPN - Light-On
Sunx Ultra Compact Diffuse Reflective Photoelectric SensorNarrow-view beam12 to 24 VDCSide Sensing T..
$100.50 $92.46
EX-28A-PN Side Sensing Ultra-Compact Long Distancel Spot Beam Type Photoelectric Sensor - PNP - Light-On
Sunx Ultra Compact Diffuse Reflective Photoelectric SensorNarrow-view beam12 to 24 VDCSide Sensing T..
$100.50 $92.46
EX-28B Side Sensing Ultra-Compact Long Distancel Spot Beam Type Photoelectric Sensor - NPN - Dark-On
Sunx Ultra Compact Diffuse Reflective Photoelectric SensorNarrow-view beam12 to 24 VDCSide Sensing T..
$100.50 $92.46
EX-28B-PN Side Sensing Ultra-Compact Long Distancel Spot Beam Type Photoelectric Sensor - PNP - Dark-On
Sunx Ultra Compact Diffuse Reflective Photoelectric SensorNarrow-view beam12 to 24 VDCSide Sensing T..
$100.50 $92.46
EX-29A Side Sensing Ultra-Compact Retroreflective Photoelectric Sensor - NPN - Light-On
Sunx Ultra Compact Retro-Reflective Photoelectric Sensor12 to 24 VDCSide Sensing TypeOnly 8.2mm thic..
$104.00 $95.68
EX-29A-PN Side Sensing Ultra-Compact Retroreflective Photoelectric Sensor - PNP - Light-On
Sunx Ultra Compact Retro-Reflective Photoelectric Sensor12 to 24 VDCSide Sensing TypeOnly 8.2mm thic..
$104.00 $95.68
EX-29B Side Sensing Ultra-Compact Retroreflective Photoelectric Sensor - NPN - Dark-On
Sunx Ultra Compact Retro-Reflective Photoelectric Sensor12 to 24 VDCSide Sensing TypeOnly 8.2mm thic..
$104.00 $95.68
EX-29B-PN Side Sensing Ultra-Compact Retroreflective Photoelectric Sensor - PNP - Dark-On
Sunx Ultra Compact Retro-Reflective Photoelectric Sensor12 to 24 VDCSide Sensing TypeOnly 8.2mm thic..
$104.00 $95.68
MS-EX20-1 - EX-20 Series Back Angled Mounting Bracket for Front Sensors
Stainless steel (SUS304) back angled mounting bracket for front sensing type sensor. (Note: The thru..
$4.70 $4.32
MS-EX20-2 - EX-20 Series Foot Angled Mounting Bracket for Side Sensors
Stainless steel (SUS304) foot angled mounting bracket for side sensing type sensor (The thru-beam ty..
$4.70 $4.32
MS-EX20-3 - EX-20 Series L-Shaped Mounting Bracket for Front Sensors
Stainless steel (SUS304) L-shaped mounting bracket for front sensing type sensor (The thru-beam type..
$4.70 $4.32
MS-EX20-4 - EX-20 Series Back Angled Mounting Bracket for Side Sensors
Stainless steel (SUS304) back angled mounting bracket for side sensing type sensor (The thru-beam ty..
$4.70 $4.32
MS-EX20-5 - EX20 Universal Sensor Mounting Bracket For EX-23_ only
NOTE: For EX-23_ only. The bracket can adjust the height and the angle of the sensor. (The..
$12.80 $11.77
MS-EX20-FS Mounting Spacer - 10/BOX
Sunx EX-20 Series Spacer 10/ boxFor Mounting Front Sense Type From the Rear Side..
$25.70 $23.64
OS-EX20-05 Round Slit Mask for Front Sensing Thrubeam Type Sensors
Panasonic EX20 series round slit mask (1pc) for use with front sensing thrubeam mode sensors. Slit s..
$5.80 $5.33
OS-EX20-05X3 Rectangular Slit Mask for Front Sensing Thrubeam Type Sensors
Panasonic EX20 series rectangular slit mask (1pc) for use with front sensing thrubeam mode sensors. ..
$5.80 $5.33
OS-EX20-E05 Round Slit Mask for Side Sensing Thrubeam Type Sensors
Panasonic EX20 series round slit mask (1pc) for use with side sensing thrubeam mode sensors. Slit si..
$5.80 $5.33
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