Proximity Sensors

Proximity sensors are discrete sensors that sense when an object has come near to the sensor face. They are able to detect the presence of nearby objects without any physical contact. A proximity sensor emits a beam of electromagnetic radiation and looks for changes in the field or return signal. Proximity sensors are commonly used on Smartphone’s to detect accidental touch screen taps when held to the ear during a call. Typical applications include the detection, position, inspection and counting on automated machines and manufacturing systems. There are four fundamental types of proximity sensors Inductive proximity sensor, Capacitive proximity sensor, Ultrasonic proximity sensor and the Photoelectric or Opto-electronic Sensors.


Inductive proximity sensors respond to ferrous and non - ferrous metal objects. They will also detect metal through a layer of non - metal material. Inductive proximity sensors consist of a coil wound around a soft iron core. The inductance of the sensor changes when a ferrous object is in its proximity. This change is converted to a voltage-triggered switch. Capacitive sensors respond to a change in the dielectric medium surrounding the active face without necessarily making physical contact and can thus be tuned to sense almost any substance. Capacitive sensors can also sense a substance through a layer of glass, plastic or thin carton.


Photoelectric sensors offer non-contact sensing of almost any substance or object up to a range of 10 meters. It consists of a light source (usually an LED, light emitting diode, in either infrared or visible light spectrum) and a detector (photodiode). Ultrasonic sensor utilizes the reflection of high frequency (20 KHz) sound waves to detect parts or distances to the parts. Ultrasonic sensors are the best choice for transparent targets.


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Videos

Proximity and gesture sensing using the FDC1004 EVM

Ask an Expert: Can a touch / proximity sensor be used to detect gestures?

Ultrasonic Proximity Sensor - An Introduction To Sensors - PyroEDU

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DM160219
DM160219 - Development Kit, MTCH6102 Controller, 9x6 Touchpad Sensor, Integrates Gestures & XY Touch

2425512

MICROCHIP - Development Kit, MTCH6102 Controller, 9x6 Touchpad Sensor, Integrates Gestures & XY Touch

EVAL BOARD, MTCH6102 CAPACITIVE TOUCH; Kit Application Type:Sensing - Touch, Proximity; Silicon Manufacturer:Microchip; Silicon Core Number:PIC16LF1454, MTCH6102; Application Sub Type:Capacitive Touch; Kit Contents:Touchpad Controller Board PIC16LF1454 &

  • 4 available for 4 - 5 business days delivery
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  • 3 will be available for delivery on 24/08/19
  • More stock available week commencing 23/12/19

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    1+ $78.87 ($90.70)

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    Min: 1 Mult: 1
    MTCH101T-I/OT
    MTCH101T-I/OT - Proximity Sensor, Adjustable, Open Drain, SOT-23, 6 Pins, 2 V, 5.5 V

    2319099

    MICROCHIP - Proximity Sensor, Adjustable, Open Drain, SOT-23, 6 Pins, 2 V, 5.5 V

    PROXIMITY SENSOR, 5.5V, CAP, 6SOT23; IC Output Type:Open Drain; Sensing Distance:-; Sensor Case Style:SOT-23; No. of Pins:6Pins; Supply Voltage Min:2V; Supply Voltage Max:5.5V; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; Product Rang

    • 2,080 available for 4 - 5 business days delivery
    • 5,253 available for 5 - 6 business days delivery
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  • 3,000 will be available for delivery on 12/09/19
  • More stock available week commencing 14/10/19

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    1+ $0.615 ($0.707) 10+ $0.607 ($0.698) 25+ $0.566 ($0.651)

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    Min: 1 Mult: 1
    VL6180XV0NR/1
    VL6180XV0NR/1 - Integrated Proximity Sensor, 100mm Sense Distance, 2.6V to 3V Supply, Optical LGA-12

    2462820

    STMICROELECTRONICS - Integrated Proximity Sensor, 100mm Sense Distance, 2.6V to 3V Supply, Optical LGA-12

    PROXIMITY MODULE, DIGITAL, LGA-12; Supply Voltage Min:2.6V; Supply Voltage Max:3V; Ambient Light Sensor Case Style:Optical LGA; No. of Pins:12Pins; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; Product Range:VL6180X Series; SVHC:No SVH

    • 1,774 available for 4 - 5 business days delivery
    • 58 available for 5 - 6 business days delivery
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  • 5,000 will be available for delivery on 16/09/19
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    1+ $7.28 ($8.37) 10+ $6.20 ($7.13) 100+ $5.37 ($6.18) 250+ $5.10 ($5.86) 500+ $4.58 ($5.27) 1000+ $3.86 ($4.44) 2500+ $3.67 ($4.22) More Pricing...

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    MTCH112-I/SN
    MTCH112-I/SN - Proximity Sensor, Open Drain, SOIC, 8 Pins, 1.8 V, 3.3 V

    2319101

    MICROCHIP - Proximity Sensor, Open Drain, SOIC, 8 Pins, 1.8 V, 3.3 V

    PROXIMITY SENSOR, 2 CH, 3.3V, CAP, 8SOIC; IC Output Type:Open Drain; Sensing Distance:-; Sensor Case Style:SOIC; No. of Pins:8Pins; Supply Voltage Min:1.8V; Supply Voltage Max:3.3V; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; Product

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    1+ $1.24 ($1.43) 25+ $1.16 ($1.33)

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    Min: 1 Mult: 1
    SI1102-A-GMR
    SI1102-A-GMR - Proximity Sensor, Digital, 500 mm, Module, 8 Pins, 2.2 V, 5.25 V

    2422556

    SILICON LABS - Proximity Sensor, Digital, 500 mm, Module, 8 Pins, 2.2 V, 5.25 V

    OPTICAL PROXIMITY DETECTOR, ODFN-8; IC Output Type:Digital; Sensing Distance:500mm; Sensor Case Style:Module; No. of Pins:8Pins; Supply Voltage Min:2.2V; Supply Voltage Max:5.25V; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; Product R

    • 1,985 available for 4 - 5 business days delivery
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    2422556RL in Re-reel

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    Min: 1 Mult: 1
    SI1143-A11-GMR
    SI1143-A11-GMR - Integrated Proximity Sensor, 500mm Sense Distance, 1.71V to 3.6V Supply, QFN-10

    2422560

    SILICON LABS - Integrated Proximity Sensor, 500mm Sense Distance, 1.71V to 3.6V Supply, QFN-10

    PROXIMITY/AMBIENT LIGHT SENSOR, QFN-10; Supply Voltage Min:1.71V; Supply Voltage Max:3.6V; Ambient Light Sensor Case Style:QFN; No. of Pins:10Pins; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; Product Range:SI1141 Series; IC Output Ty

    • 3,410 available for 4 - 5 business days delivery
    • 130 available for 5 - 6 business days delivery
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    More stock available week commencing 28/10/19

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    Min: 1 Mult: 1
    SI1141-A11-GMR
    SI1141-A11-GMR - Integrated Proximity Sensor, 500mm Sense Distance, 1.71V to 3.6V Supply, QFN-10

    2422558

    SILICON LABS - Integrated Proximity Sensor, 500mm Sense Distance, 1.71V to 3.6V Supply, QFN-10

    PROXIMITY/AMBIENT LIGHT SENSOR, QFN-10; Supply Voltage Min:1.71V; Supply Voltage Max:3.6V; Ambient Light Sensor Case Style:QFN; No. of Pins:10Pins; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; Product Range:SI1141 Series; IC Output Ty

    • 2,398 available for 4 - 5 business days delivery
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    More stock available week commencing 28/10/19

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    Min: 1 Mult: 1