Proximity Sensor ICs

Proximity Sensor ICs are used for object detection within a defined distance of the sensor. The proximity sensor sits within a circuit and provides output signals to trigger other functions. Proximity sensor ICs (integrated circuits) are components which are to be designed into PCBs.

Where are they used?

Proximity sensors ICs are designed into circuits for various non-contact sensing applications. They are often used in machine automation, mobile phones, proximity alarm systems, parking sensors as well as in military applications.

Types of Proximity Sensors

Various proximity sensor ICs are available, using a range of sensing technologies. These detection types benefit various applications depending on the users end goal and the system requirements. Some of the main proximity sensors use inductive, capacitive or infrared sensing depending on their application or sensing environment.

What are inductive proximity sensors?

Inductive sensors are used to detect metallic objects. Using a simple electromagnetic field, the sensor monitors the rise and fall of oscillation when a metallic object comes within the sensing range. This variation is monitored by a threshold circuit that can generate the relevant output signal when triggered. Operating ranges will vary depending on the shape and size of the sensor as well as the types of material that expect to be monitored by the sensor.

What are capacitive proximity sensors?

Capacitive sensors can be used for both metal and non-conductive objects. They offer Capacitive sensors use an electrical field to detect objects. Any changes in capacitance in the sensing area are detected by the sensor, which then changes state.

Example of proximity sensing:

Many smartphones today feature proximity sensing. An example of this is when you hold your phone to your ear, the sensor will detect this as an object in close proximity. This detection then triggers the screen to switch off. Proximity sensors are also used in switches, for example with hand gestures.


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Description Price Sensor Type Maximum Switching Frequency Maximum Output Current Maximum Output Voltage Sensing Distance Switching Mode Output Type Mounting Type Package Type Pin Count Maximum Supply Current Dimensions Height Length
RS Stock No. 788-4937
Mfr. Part No.D6T-44L-06
BrandOmron
kr 363,58
Each
Units
Thermal Sensor - - - - Digital - Surface Mount - - 5 mA 18 x 14 x 4.75mm 4.75mm 18mm
RS Stock No. 177-4879
Mfr. Part No.D6T-44L-06
BrandOmron
kr 374,759
Each (In a Tray of 10)
Units
Thermal Sensor - - - - Digital - Surface Mount - - 5 mA 18 x 14 x 4.75mm 4.75mm 18mm
RS Stock No. 170-3445
Mfr. Part No.NCS36000DG
kr 8,183
Each (In a Tray of 55)
Units
Ambient Light, Proximity Sensor - - - - - - Surface Mount SOIC 14 - 8.75 x 4 x 1.75mm 1.75mm 8.75mm
RS Stock No. 122-9751
Mfr. Part No.AMG8834
BrandPanasonic
kr 374,08
Each
Units
Infrared Array Sensor - 10mA - 7m Digital - Surface Mount - 14 4.5 mA 11.6 x 8 x 4.3mm 4.3mm 11.6mm
RS Stock No. 121-9926
Mfr. Part No.NCS36000DRG
kr 4,017
Each (On a Reel of 3000)
Units
Proximity Sensor - - - - - CMOS Surface Mount SOIC 14 - 8.75 x 4 x 1.5mm 1.5mm 8.75mm
RS Stock No. 753-2664
Mfr. Part No.NCS36000DG
kr 10,44
Each
Units
- - - - - - - Surface Mount SOIC 14 - 8.75 x 4 x 1.75mm 1.75mm 8.75mm
RS Stock No. 861-0591
Mfr. Part No.MTCH101T-I/OT
BrandMicrochip
kr 3,34
Each (In a Pack of 25)
Units
Capacitive - 25mA - - - Open Drain Surface Mount SOT-23 6 80 mA 3.1 x 1.8 x 1.3mm 1.3mm 3.1mm
RS Stock No. 165-2247
Mfr. Part No.MTCH101-I/OT
BrandMicrochip
kr 2,763
Each (In a Bag of 3000)
Units
Capacitive - 25mA - - Analogue, Digital Open Drain Surface Mount SOT-23 6 25 mA 3.1 x 1.8 x 1.3mm 1.3mm 3.1mm
RS Stock No. 168-3348
Mfr. Part No.AMG8854
BrandPanasonic
kr 338,94
Each (On a Reel of 100)
Units
Infrared Array Sensor - 10mA - ≤7m Digital - Surface Mount - 14 4.5 mA 11.6 x 8 x 4.3mm 4.3mm 11.6mm
RS Stock No. 124-2973
Mfr. Part No.CY8CMBR3102-SX1I
kr 13,622
Each (In a Pack of 10)
Units
Capacitive - 85mA 0.6 (Low Level) V 300mm Analogue Open Drain Surface Mount SOIC 8 25 mA 4.97 x 3.98 x 1.47mm 1.47mm 4.97mm
RS Stock No. 122-9752
Mfr. Part No.AMG8853
BrandPanasonic
kr 374,08
Each
Units
Infrared Array Sensor - 10mA - 7m Digital - Surface Mount - 14 4.5 mA 11.6 x 8 x 4.3mm 4.3mm 11.6mm
RS Stock No. 798-5273
Mfr. Part No.MTCH101-I/OT
BrandMicrochip
kr 3,253
Each (In a Pack of 25)
Units
Capacitive - 25mA - - Analogue, Digital Open Drain Surface Mount SOT-23 6 25 mA 3.1 x 1.8 x 1.3mm 1.3mm 3.1mm
RS Stock No. 805-1766
Mfr. Part No.NCS36000DRG
kr 8,012
Each (On a Tape of 10)
Units
Proximity Sensor - - - - - CMOS Surface Mount SOIC 14 - 8.75 x 4 x 1.5mm 1.5mm 8.75mm
RS Stock No. 165-4220
Mfr. Part No.MTCH101T-I/OT
BrandMicrochip
kr 2,993
Each (On a Reel of 3000)
Units
Capacitive - 25mA - - Analogue, Digital Open Drain Surface Mount SOT-23 6 25 mA 3.1 x 1.8 x 1.3mm 1.3mm 3.1mm
RS Stock No. 122-9753
Mfr. Part No.AMG8854
BrandPanasonic
kr 339,62
Each
Units
Infrared Array Sensor - 10mA - 7m Digital - Surface Mount - 14 4.5 mA 11.6 x 8 x 4.3mm 4.3mm 11.6mm
RS Stock No. 122-9750
Mfr. Part No.AMG8833
BrandPanasonic
kr 381,28
Each
Units
Infrared Array Sensor - 10mA - 7m Digital - Surface Mount - 14 4.5 mA 11.6 x 8 x 4.3mm 4.3mm 11.6mm
RS Stock No. 188-5384
Mfr. Part No.CY8CMBR3102-SX1I
kr 15,784
Each (In a Tube of 97)
Units
Proximity Sensor 400 (Clock) MHz -1 (High Level) mA, 10 (Low Level) mA 0.6 (Low Level) V 300mm Analogue PWM Surface Mount SOIC 8 140 mA 4.97 x 3.98 x 1.48mm 1.48mm 4.97mm
RS Stock No. 161-2216
Mfr. Part No.EKMB1303111K
BrandPanasonic
kr 213,432
Each (In a Box of 50)
Units
Pyroelectric Infrared Sensor - 100µA - 12m Digital Digital Through Hole TO-5 3 6 μA 22 x 20.2mm 20.2mm -
RS Stock No. 128-8882
Mfr. Part No.BD9251FV-E2
BrandROHM
kr 17,438
Each (In a Pack of 5)
Units
Pyroelectric Infrared Sensor - 30 (Source) μA, 200 (Sink) μA 2.3 V - Analogue Open Drain Surface Mount SSOP-B 14 400 μA 5 x 4.4 x 1.05mm 1.05mm 5mm
RS Stock No. 177-1530
Mfr. Part No.CAP1298-1-SL
BrandMicrochip
kr 7,818
Each (In a Tube of 57)
Units
Capacitive 400 kHz - 0.4 V - - Open Drain Surface Mount SOIC 14 750 μA 8.65 x 3.9 x 1.5mm 1.5mm 8.65mm