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 SensorsVarious 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 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. 752-7307
Mfr. Part No.BU21009MUV-E2
BrandROHM
HK$56.53
Each
units
Capacitive 2 MHz - 3.3 V - Analogue, Digital - Surface Mount VQFN 32 300 μA 5 x 5 x 1mm 1mm 5mm
RS Stock No. 161-2152
Mfr. Part No.VCNL4200
BrandVishay
HK$25.244
Each (In a Pack of 5)
units
- 400 kHz - - 1.5m Digital - Surface Mount SMD 10 350 μA 8 x 3 x 1.8mm 1.8mm 8mm
RS Stock No. 161-2213
Mfr. Part No.EKMB1205112
BrandPanasonic
HK$187.145
Each (In a Box of 50)
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. 135-7078
Mfr. Part No.EKMC1601111
BrandPanasonic
HK$77.489
Each (In a Box of 50)
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 5m Digital Digital Through Hole - 3 170 μA 9.5 (Top) mm, 11 (Base) x 14.4 (H) mm 14.4mm -
RS Stock No. 161-2049
Mfr. Part No.VCNL4200
BrandVishay
HK$11.30
Each (On a Reel of 2500)
units
- 400 kHz - - 1.5m Digital - Surface Mount SMD 10 350 μA 8 x 3 x 1.8mm 1.8mm 8mm
RS Stock No. 755-3097
Mfr. Part No.Si1102-A-GMR
HK$22.73
Each
units
Optical Proximity Detector - - - 50cm - PWM Surface Mount ODFN-8 8 10 μA 3 x 3 x 0.75mm 0.75mm 3mm
RS Stock No. 165-2433
Mfr. Part No.VCNL4020X01-GS08
BrandVishay
HK$10.986
Each (On a Reel of 3300)
units
- - - - 200mm Digital Digital, Open Drain Surface Mount - 10 200 (LED Pulse) mA 4.9 x 2.4 x 0.83mm 0.83mm 4.9mm
RS Stock No. 165-2434
Mfr. Part No.VCNL3020-GS08
BrandVishay
HK$9.54
Each (On a Reel of 3300)
units
Proximity Sensor - - - 200mm Digital Digital, Open Drain Surface Mount - 10 200 (LED Pulse) mA 4.9 x 2.4 x 0.83mm 0.83mm 4.9mm
RS Stock No. 122-6792
Mfr. Part No.VCNL3020-GS08
BrandVishay
HK$19.786
Each (In a Pack of 5)
units
Proximity Sensor - - - 200mm Digital Digital, Open Drain Surface Mount - 10 200 (LED Pulse) mA 4.9 x 2.4 x 0.83mm 0.83mm 4.9mm
RS Stock No. 169-0196
Mfr. Part No.SI1141-M01-GMR
HK$20.02
Each (On a Tape of 100)
units
Proximity Sensor - - - 1 → 50cm Digital Open Drain Surface Mount QFN 10 - 4.9 x 2.85 x 1.2mm 1.2mm 4.9mm
RS Stock No. 177-1825
Mfr. Part No.CAP1296-1-SL
BrandMicrochip
HK$5.81
Each (In a Pack of 20)
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. 122-6794
Mfr. Part No.VCNL4020X01-GS08
BrandVishay
HK$27.122
Each (In a Pack of 5)
units
- - - - 200mm Digital Digital, Open Drain Surface Mount - 10 200 (LED Pulse) mA 4.9 x 2.4 x 0.83mm 0.83mm 4.9mm
RS Stock No. 137-0761
Mfr. Part No.CAP1203-1-AC3-TR
BrandMicrochip
HK$3.90
Each (On a Reel of 3300)
units
Capacitive - 8mA 0.4 V - Analogue, Digital Analogue, Digital Surface Mount TDFN 8 750 μA 2.1 x 3.1 x 0.75mm 0.75mm 2.1mm
RS Stock No. 176-0827
Mfr. Part No.D6T-1A-01
BrandOmron
HK$140.96
Each
units
Thermal Sensor - 3.5mA 5.5 V dc - Digital Digital PCB Mount - 4 5 mA 12 x 11.6 x 4.79mm 4.79mm 12mm
RS Stock No. 892-0025
Mfr. Part No.Si1142-M01-GMR
HK$34.90
Each (In a Pack of 2)
units
Proximity Sensor - - - 1 → 50cm Digital Open Drain Surface Mount QFN 10 - 4.9 x 2.85 x 1.2mm 1.2mm 4.9mm
RS Stock No. 174-2515
Mfr. Part No.VCNL4020C-GS08
BrandVishay
HK$9.67
Each (On a Reel of 3300)
units
- 3400 Hz - - 20mm Digital Open Drain Surface Mount SMD 10 2 μA 4.9 x 2.4 x 0.83mm 0.83mm 4.9mm
RS Stock No. 161-2207
Mfr. Part No.EKMB1105112
BrandPanasonic
HK$189.67
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. 135-7113
Mfr. Part No.EKMC1693111
BrandPanasonic
HK$88.72
Each
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 2.2m Digital Digital Through Hole - 3 170 μA 11 (Base) x 17.2 (H) mm, 14.9 (Top) mm 17.2mm -
RS Stock No. 135-7102
Mfr. Part No.EKMC1603111
BrandPanasonic
HK$108.35
Each
units
Pyroelectric Infrared Sensor - 100µA 0.5 V 12m Digital Digital Through Hole - 3 170 μA 11 (Base) x 20.2 (H) mm, 22 (Top) mm 20.2mm -
RS Stock No. 161-2230
Mfr. Part No.EKMB1203111
BrandPanasonic
HK$301.81
Each
units
Pyroelectric Infrared Sensor - 100µA - 12m Digital Digital Through Hole TO-5 3 2 μA 22 (Dia.) x 20.2mm 20.2mm -
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