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. 205-5831
Mfr. Part No.PL-001L-BK
BrandKEMET
$10.71
Each (In a Pack of 2)
units
Pyroelectric Infrared Sensor - - - 3.5mm - - - Tray 4 - - - -
RS Stock No. 135-7113
Mfr. Part No.EKMC1693111
BrandPanasonic
$15.43
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. 200-9793
Mfr. Part No.VCNL40301X01-GS08
BrandVishay
$5,786.55
1 Reel of 3300
Reel(s)
Proximity Sensor 400 kHz 200mA 3.6 V 300mm - - - QFN 8 - - - -
RS Stock No. 205-5826
Mfr. Part No.PL-001L-N
BrandKEMET
$2.678
Each (In a Tray of 100)
units
Pyroelectric Infrared Sensor - - - 5000mm - - - Tray 4 - - - -
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. 135-7073
Mfr. Part No.EKMB1393113K
BrandPanasonic
$19.936
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 -
RS Stock No. 135-7099
Mfr. Part No.EKMC1601112
BrandPanasonic
$18.03
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. 204-3350
Mfr. Part No.D6T-8L-09H
BrandOmron
$54.665
Each (In a Tray of 80)
units
Thermal Sensor - - - 3m - - - Module 4 - - - -
RS Stock No. 161-2221
Mfr. Part No.EKMC1605112
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. 175-1110
Mfr. Part No.VL53L1CXV0FY/1
$9.60
Each
units
Proximity Sensor - - - - - - - - - - - - -
RS Stock No. 161-2227
Mfr. Part No.EKMB1105112
BrandPanasonic
$33.12
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. 192-0657
Mfr. Part No.VL53L0CXV0DH/1
$2.97
Each (On a Reel of 5000)
units
Proximity Sensor 400 kHz - 0.4 V 2m Digital Digital Surface Mount LGA 12 - 4.4 x 2.4 x 1mm 1mm 4.4mm
RS Stock No. 161-2205
Mfr. Part No.EKMB1103112
BrandPanasonic
$44.85
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. 169-0198
Mfr. Part No.SI1143-M01-GMR
$5.12
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. 176-0820
Mfr. Part No.D6T-1A-02
BrandOmron
$22.47
Each (In a Tray of 80)
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. 161-2203
Mfr. Part No.EKMB1101112
BrandPanasonic
$36.926
Each (In a Box of 50)
units
Pyroelectric Infrared Sensor - 100µA - 5m Digital Digital Through Hole TO-5 3 1 μA 11 x 14.4mm 14.4mm -
RS Stock No. 135-7102
Mfr. Part No.EKMC1603111
BrandPanasonic
$22.99
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. 200-9787
Mfr. Part No.VCNL40302X01-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. 135-7103
Mfr. Part No.EKMB1293111
BrandPanasonic
$27.99
Each
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. 188-5384
Mfr. Part No.CY8CMBR3102-SX1I
$1.881
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