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. 169-0196
Mfr. Part No.SI1141-M01-GMR
PHP122.85
Each (On a Tape of 100)
units
Proximity Sensor - - - 1 to 50cm Digital Open Drain Surface Mount QFN 10 - 4.9 x 2.85 x 1.2mm 1.2mm 4.9mm
RS Stock No. 892-0016
Mfr. Part No.Si1141-M01-GMR
PHP146.43
Each (In a Pack of 2)
units
Proximity Sensor - - - 1 to 50cm Digital Open Drain Surface Mount QFN 10 - 4.9 x 2.85 x 1.2mm 1.2mm 4.9mm
RS Stock No. 170-3445
Mfr. Part No.NCS36000DG
PHP43.68
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. 205-5826
Mfr. Part No.PL-001L-N
BrandKEMET
PHP99.269
Each (In a Tray of 100)
units
Pyroelectric Infrared Sensor - - - 5000mm - - - Tray 4 - - - -
RS Stock No. 161-2217
Mfr. Part No.EKMB1303112K
BrandPanasonic
PHP995.40
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. 135-7093
Mfr. Part No.EKMC1693112
BrandPanasonic
PHP544.34
Each
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 2.2m Digital Digital Through Hole - 3 170 μA 11 x 17.2 x 14.9mm 17.2mm -
RS Stock No. 122-6795
Mfr. Part No.VCNL4040M3OE
BrandVishay
PHP73.574
Each (In a Pack of 10)
units
Proximity Sensor - - - 200mm Digital Digital, Open Drain Surface Mount - 8 200 (IRED Pulse) mA 4 x 2 x 1.1mm 1.1mm 4mm
RS Stock No. 205-5827
Mfr. Part No.PL-001L-N
BrandKEMET
PHP397.155
Each (In a Pack of 2)
units
Pyroelectric Infrared Sensor - - - 5000mm - - - Tray 4 - - - -
RS Stock No. 161-2218
Mfr. Part No.EKMB1305111K
BrandPanasonic
PHP771.90
Each (In a Box of 50)
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole - 3 6 μA 26 x 13.3 x 16.6mm 16.6mm 26mm
RS Stock No. 161-2222
Mfr. Part No.EKMB1101111
BrandPanasonic
PHP1,884.75
Each
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole TO-5 3 1 μA 11 x 14.4mm 14.4mm -
RS Stock No. 135-7099
Mfr. Part No.EKMC1601112
BrandPanasonic
PHP633.86
Each
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 5m Digital Digital Through Hole - 3 170 μA 11 x 14.4 x 9.5mm 14.4mm -
RS Stock No. 892-0028
Mfr. Part No.Si1143-M01-GMR
PHP220.73
Each (In a Pack of 2)
units
Proximity Sensor - - - 1 to 50cm Digital Open Drain Surface Mount QFN 10 - 4.9 x 2.85 x 1.2mm 1.2mm 4.9mm
RS Stock No. 161-2148
Mfr. Part No.VCNL4035X01-GS08
BrandVishay
PHP129.14
Each (In a Pack of 2)
units
Ambient Light, Proximity Sensor 400 kHz - 5 V 500mm Digital - Surface Mount SMD 8 300 μA 4 x 2.36 x 0.75mm 0.75mm 4mm
RS Stock No. 176-0827
Mfr. Part No.D6T-1A-01
BrandOmron
PHP995.20
Each
units
Thermal Sensor - 3.5mA 5.5 V - Digital Digital PCB Mount - 4 5 mA 12 x 11.6 x 4.79mm 4.79mm 12mm
RS Stock No. 177-1527
Mfr. Part No.CAP1293-1-SN
BrandMicrochip
PHP30.632
Each (In a Tube of 100)
units
Capacitive 400 kHz - 0.4 V - - Open Drain Surface Mount SOIC 8 750 μA 4.9 x 3.9 x 1.5mm 1.5mm 4.9mm
RS Stock No. 135-7065
Mfr. Part No.EKMB1193111
BrandPanasonic
PHP740.366
Each (In a Box of 50)
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 2.2m Digital Digital Through Hole - 3 1 μA 11 x 17.2 x 14.9mm 17.2mm -
RS Stock No. 161-2227
Mfr. Part No.EKMB1105112
BrandPanasonic
PHP1,175.12
Each
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole - 3 1 μA 26 x 13.3 x 16.6mm 16.6mm 26mm
RS Stock No. 161-2204
Mfr. Part No.EKMB1103111
BrandPanasonic
PHP1,393.35
Each (In a Box of 50)
units
Pyroelectric Infrared Sensor - 100µA - 12m Digital Digital Through Hole TO-5 3 1 μA 22 x 20.2mm 20.2mm -
RS Stock No. 175-1110
Mfr. Part No.VL53L1CXV0FY/1
PHP330.82
Each
units
Proximity Sensor - - - - - - - - - - - - -
RS Stock No. 135-7072
Mfr. Part No.EKMB1393112K
BrandPanasonic
PHP504.563
Each (In a Box of 50)
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 2.2m Digital Digital Through Hole - 3 6 μA 11 x 17.2 x 14.9mm 17.2mm -