Grounding Contacts

Grounding contacts are surface mountable internal connectors used for circuit grounding (a return path for electric current) of SMT (surface mount technology) devices.

How do grounding contacts work?

Grounding contacts work by providing an electrical connection while also providing protection from static and EMI (electromagnetic interference) noise between a PCB (printed circuit board) and other electronic components, such as speakers, internal antennas, shield cams or secondary PCBs.

Grounding contacts come in a broad array of styles, sizes and heights, to ensure efficient EMI protection and contact. When mounted in a row, they can be used as an RFI (radio-frequency interference) shielding connection for cabinet enclosures and metal boxes. They are designed to maintain positive contact with the mating surface and allow for both sliding and wiping action.

Applications of grounding contacts

Grounding contacts are used in virtually every small PCB application. Some of the typical applications include:

  • MP3 players
  • Smartphones
  • GPS units
  • Tablets
  • PCs and laptops
  • Automotive
  • Industrial equipment
  • eReaders
  • Home electronic devices
  • Video and digital cameras

...
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Description Price Material Series Current Rating Fixing Method Contact Plating Contact Resistance Dimensions Height Length Width
RS Stock No. 123-5973
Mfr. Part No.2199249-4
$0.29
Each (In a Pack of 10)
units
Copper Alloy - 2A Surface Mount Gold - 3.2 x 1.5 x 2.3mm 2.3mm 3.2mm 1.5mm
RS Stock No. 164-9214
Mfr. Part No.2199249-4
$937.20
1 Tape of 6000
Tape(s)
Copper Alloy - 2A Surface Mount Gold - 3.2 x 1.5 x 2.3mm 2.3mm 3.2mm 1.5mm
RS Stock No. 172-0920
Mfr. Part No.2118727-2
$0.555
Each (In a Box of 100)
units
Steel - - Surface Mount Nickel Silver - 29.96 x 19.1 x 2mm 2mm 29.96mm 19.1mm
RS Stock No. 172-0921
Mfr. Part No.2118727-4
$1.081
Each (In a Box of 100)
units
Aluminium - - Surface Mount Nickel Silver - 29.96 x 19.1 x 2mm 2mm 29.96mm 19.1mm
RS Stock No. 172-0956
Mfr. Part No.2118711-2
$1.998
Each (In a Pack of 4)
units
Steel - - Surface Mount Nickel Silver - 36.83 x 33.68 x 5.08mm 5.08mm 36.83mm 33.68mm
RS Stock No. 172-0971
Mfr. Part No.2118714-2
$0.998
Each (In a Pack of 5)
units
Steel - - Surface Mount Nickel Silver - 13.66 x 12.7 x 2.54mm 2.54mm 13.66mm 12.7mm
RS Stock No. 172-0930
Mfr. Part No.2118731-2
$1.078
Each (In a Pack of 5)
units
Steel - - Surface Mount Nickel Silver - 51.3 x 38.6 x 2mm 2mm 51.3mm 38.6mm
RS Stock No. 172-0922
Mfr. Part No.2118728-2
$0.977
Each (On a Tape of 280)
units
Steel - - Surface Mount Nickel Silver - 29.36 x 18.5 x 7mm 7mm 29.36mm 18.5mm
RS Stock No. 172-0895
Mfr. Part No.2118711-2
$1.36
Each (On a Tape of 186)
units
Steel - - Surface Mount Nickel Silver - 36.83 x 33.68 x 5.08mm 5.08mm 36.83mm 33.68mm
RS Stock No. 172-0916
Mfr. Part No.2118724-2
$1.36
Each (On a Tape of 186)
units
Steel - - Surface Mount Nickel Silver - 36.83 x 33.68 x 5.08mm 5.08mm 36.83mm 33.68mm
RS Stock No. 172-0958
Mfr. Part No.2118709-4
$3.44
Each
units
Aluminium - - Surface Mount Nickel Silver - 32 x 32 x 6mm 6mm 32mm 32mm
RS Stock No. 172-0910
Mfr. Part No.2118720-2
$1.22
Each (On a Tape of 166)
units
Steel - - Surface Mount Nickel Silver - 32 x 32 x 6mm 6mm 32mm 32mm
RS Stock No. 172-0899
Mfr. Part No.2118713-2
$0.512
Each (In a Box of 100)
units
Steel - - Surface Mount Nickel Silver - 14.06 x 13.1 x 2mm 2mm 14.06mm 13.1mm
RS Stock No. 172-0931
Mfr. Part No.2118731-4
$2.91
Each
units
Aluminium - - Surface Mount Nickel Silver - 51.3 x 38.6 x 2mm 2mm 51.3mm 38.6mm
RS Stock No. 187-0975
Mfr. Part No.2336713-1
$0.20
Each (On a Reel of 10)
units
- - 1.5A Surface Mount - 30mΩ 1.7 x 1.1 x 1.45mm 1.45mm 1.7mm 1.1mm
RS Stock No. 172-0974
Mfr. Part No.2118716-2
$1.19
Each (In a Pack of 5)
units
Steel - - Surface Mount Nickel Silver - 16.5 x 16.5 x 3.6mm 3.6mm 16.5mm 16.5mm
RS Stock No. 172-0968
Mfr. Part No.2118712-4
$6.16
Each
units
Aluminium - - Surface Mount Nickel Silver - 44.37 x 44.37 x 9.75mm 9.75mm 44.37mm 44.37mm
RS Stock No. 186-4961
Mfr. Part No.1447009-5
$0.70
Each (On a Tape of 25)
units
Copper Alloy - 500mA Surface Mount - - 0.8mm - 2mm
RS Stock No. 172-0912
Mfr. Part No.2118721-4
$1.36
Each (In a Box of 100)
units
Aluminium - - Surface Mount Nickel Silver - 38.6 x 25.9 x 2mm 2mm 38.6mm 25.9mm
RS Stock No. 172-0889
Mfr. Part No.2118708-2
$0.949
Each (On a Tape of 280)
units
Steel - - Surface Mount Nickel Silver - 26.21 x 26.21 x 5.08mm 5.08mm 26.21mm 26.21mm