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. 135-7104
Mfr. Part No.EKMC1603112
BrandPanasonic
$18.82
Each
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 12m Digital Digital Through Hole - 3 170 μA 11 x 20.2 x 22mm 20.2mm -
RS Stock No. 124-2974
Mfr. Part No.CY8CMBR3108-LQXI
$3.108
Each (In a Pack of 5)
units
Capacitive - 85mA 0.6 (Low Level) V 300mm Analogue Open Drain Surface Mount QFN 16 25 mA 3 x 3 x 0.55mm 0.55mm 3mm
RS Stock No. 161-2048
Mfr. Part No.VCNL4035X01-GS08
BrandVishay
$1.67
Each (On a Reel of 1800)
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. 200-9789
Mfr. Part No.VCNL40303X01-GS08
BrandVishay
$7,162.54
1 Reel of 3300
Reel(s)
Proximity Sensor 400 kHz 200mA 3.6 V 300mm - - - QFN 8 - - - -
RS Stock No. 161-2200
Mfr. Part No.EKMC1605111
BrandPanasonic
$15.065
Each (In a Box of 50)
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole - 3 170 μA 26 x 13.3 x 16.6mm 16.6mm 26mm
RS Stock No. 205-5829
Mfr. Part No.PL-001L-W
BrandKEMET
$10.71
Each (In a Pack of 2)
units
Pyroelectric Infrared Sensor - - - 3.5mm - - - Tray 4 - - - -
RS Stock No. 161-2229
Mfr. Part No.EKMB1201112
BrandPanasonic
$49.92
Each
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole TO-5 3 2 μA 11 x 14.4mm 14.4mm -
RS Stock No. 161-2679
Mfr. Part No.LC717A10AR-NH
$4.15
Each (In a Pack of 5)
units
Capacitive 186 kHz - - - Digital Digital Surface Mount VCT 28 1.6 mA 3.5 x 3.5 x 0.765mm 0.77mm 3.5mm
RS Stock No. 177-1812
Mfr. Part No.CAP1293-1-SN
BrandMicrochip
$0.894
Each (In a Pack of 20)
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. 200-9794
Mfr. Part No.VCNL40301X01-GS08
BrandVishay
$3.802
Each (In a Pack of 5)
units
Proximity Sensor 400 kHz 200mA 3.6 V 300mm - - - QFN 8 - - - -
RS Stock No. 135-7069
Mfr. Part No.EKMB1293112
BrandPanasonic
$21.004
Each (In a Box of 50)
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 2.2m Digital Digital Through Hole - 3 2 μA 11 x 17.2 x 14.9mm 17.2mm -
RS Stock No. 177-1526
Mfr. Part No.CAP1206-1-SL
BrandMicrochip
$0.951
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
RS Stock No. 161-2215
Mfr. Part No.EKMB1301112K
BrandPanasonic
$26.406
Each (In a Box of 50)
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole TO-5 3 6 μA 11 x 14.4mm 14.4mm -
RS Stock No. 161-2207
Mfr. Part No.EKMB1105112
BrandPanasonic
$27.19
Each (In a Box of 50)
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. 200-9791
Mfr. Part No.VCNL4030X01-GS08
BrandVishay
$7,113.34
1 Reel of 3300
Reel(s)
Proximity Sensor 400 kHz 200mA 3.6 V 300mm - - - QFN 8 - - - -
RS Stock No. 161-2220
Mfr. Part No.EKMC1605111
BrandPanasonic
$20.09
Each
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole - 3 170 μA 26 x 13.3 x 16.6mm 16.6mm 26mm
RS Stock No. 205-5828
Mfr. Part No.PL-001L-W
BrandKEMET
$2.678
Each (In a Tray of 100)
units
Pyroelectric Infrared Sensor - - - 3.5mm - - - Tray 4 - - - -
RS Stock No. 161-2233
Mfr. Part No.EKMB1205112
BrandPanasonic
$33.37
Each
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole - 3 2 μA 26 x 13.3 x 16.6mm 16.6mm 26mm
RS Stock No. 161-2206
Mfr. Part No.EKMB1105111
BrandPanasonic
$27.19
Each (In a Box of 50)
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. 161-2218
Mfr. Part No.EKMB1305111K
BrandPanasonic
$18.088
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