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EX-20

Ultra-compact Photoelectric Sensor

The EX-20 series reaches the pinnacle of sensor miniaturization. By fabricating the photodiode and the A/D conversion circuit on the same chip, 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 thrubeam 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. All types are available as either Light ON or Dark ON and PNP or NPN.

EX-20 Models

You may sort models by clicking the arrows in the appropriate column. If you are searching for a particular model but can't find it, give our model search utility a try. All downloads have moved to our separate downloads center.

Click one of the links below to view all related models. Models will appear below the links.

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Currently viewing: EX-20 Sensors

Model Name Model Pic Type Output Operation Output Configuration Emitting Element Max. Range (mm) Max. Range (in) 
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EX-21AThrubeam Front SensingLight-ONNPNRed LED100039.4
EX-21A-PNThrubeam Front SensingLight-ONPNPRed LED100039.4
EX-21BThrubeam Front SensingDark-ONNPNRed LED100039.4
EX-21B-PNThrubeam Front SensingDark-ONPNPRed LED100039.4
EX-22ADiffuse Reflective Side SensingLight-ONNPNRed LED1606.3
EX-22A-PNDiffuse Reflective Side SensingLight-ONPNPRed LED1606.3
EX-22BDiffuse Reflective Side SensingDark-ONNPNRed LED1606.3
EX-22B-PNDiffuse Reflective Side SensingDark-ONPNPRed LED1606.3
EX-23Thrubeam Side SensingLight-ON/Dark-ONNPNRed LED200078.7
EX-23-PNThrubeam Side SensingLight-ON/Dark-ONPNPRed LED200078.7
EX-24AConvergent Reflective Front SensingLight-ONNPNRed LED250.98
EX-24A-PNConvergent Reflective Front SensingLight-ONPNPRed LED250.98
EX-24BConvergent Reflective Front SensingDark-ONNPNRed LED250.98
EX-24B-PNConvergent Reflective Front SensingDark-ONPNPRed LED250.98
EX-26AConvergent Reflective Side SensingLight-ONNPNRed LED140.55
EX-26A-PNConvergent Reflective Side SensingLight-ONPNPRed LED140.55
EX-26BConvergent Reflective Side SensingDark-ONNPNRed LED140.55
EX-26B-PNConvergent Reflective Side SensingDark-ONPNPRed LED140.55
EX-28ANarrow-view Reflective Side SensingLight-ONNPNRed LED1154.5
EX-28A-PNNarrow-view Reflective Side SensingLight-ONPNPRed LED1154.5
EX-28BNarrow-view Reflective Side SensingingDark-ONNPNRed LED1154.5
EX-28B-PNNarrow-view Reflective Side SensingDark-ONPNPRed LED1154.5
EX-29ARetroreflective Side SensingLight-ONNPNRed LED2007.9
EX-29A-PNRetroreflective Side SensingLight-ONPNPRed LED2007.9
EX-29BRetroreflective Side SensingDark-ONNPNRed LED2007.9
EX-29B-PNRetroreflective Side SensingDark-ONPNPRed LED2007.9

Currently viewing: EX-20 Accessories

Model Name Description 
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MS-EX20-1MOUNTING BRACKET FROM ON TYPE FOR EX-20
MS-EX20-2MOUNTING BRACKET SIDE ON TYPE FOR EX-20
MS-EX20-3MOUNTING BRACKET FROM ON TYPE FOR EX-20
MS-EX20-4MOUNTING BRACKET SIDE ON TYPE FOR EX-20
MS-EX20-5MOUNTING BRACKET FOR EX-20
MS-EX20-FSMOUNTING SPACER FOR FRONT ON TYPE FOR EX-20
OS-EX20-05SLIT MASK THRU-BEAM FRONT ON 0.5mm DIAMETER FOR EX-20
OS-EX20-05X3SLIT MASK THRU-BEAM FRONT ON 0-5*3mm FOR EX-20
OS-EX20E-05SLIT MASK THRU-BEAM SIDE ON 0.5mm DIAMETER FOR EX-20
OS-EX20E-05X3SLIT MASK THRU-BEAM SIDE ON 0.5*3mm FOR EX-20
RF-11REFLECTIVE TAPE, 8MM X 30MM
RF-12REFLECTIVE TAPE. 25MM X 30MM
RF-200REFLECTOR
RF-210REFLECTOR, 12.8MM X 33.3MM

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