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. 173-0819
Mfr. Part No.S2711-46R
BrandHARWIN
$0.145
Each (On a Reel of 1900)
units
Nickel Copper Alloy S - Surface Mount Tin 20mΩ 8.79 x 2.28 x 3.85mm 3.85mm 8.79mm 2.28mm
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. 173-0840
Mfr. Part No.S7251-45R
BrandHARWIN
$0.183
Each (On a Reel of 8000)
units
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 3 x 1.5 x 1.5mm 1.5mm 3mm 1.5mm
RS Stock No. 172-0945
Mfr. Part No.2118719-4
$2.042
Each (In a Pack of 5)
units
Aluminium - - Surface Mount Nickel Silver - 32.5 x 32.5 x 2mm 2mm 32.5mm 32.5mm
RS Stock No. 172-0959
Mfr. Part No.2118722-2
$1.998
Each (In a Pack of 4)
units
Steel - - Surface Mount Nickel Silver - 38.1 x 25.4 x 6mm 6mm 38.1mm 25.4mm
RS Stock No. 788-4861
Mfr. Part No.S7121-42R
BrandHARWIN
$0.51
Each (In a Pack of 10)
units
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Gold - 2.7 x 1.5 x 1.7mm 1.7mm 2.7mm 1.5mm
RS Stock No. 172-0919
Mfr. Part No.2118726-2
$2.456
Each (On a Tape of 90)
units
Steel - - Surface Mount Nickel Silver - 44.37 x 44.37 x 9.75mm 9.75mm 44.37mm 44.37mm
RS Stock No. 172-0911
Mfr. Part No.2118721-2
$0.598
Each (In a Box of 100)
units
Steel - - Surface Mount Nickel Silver - 38.6 x 25.9 x 2mm 2mm 38.6mm 25.9mm
RS Stock No. 172-0905
Mfr. Part No.2118717-2
$0.555
Each (In a Box of 100)
units
Steel - - Surface Mount Nickel Silver - 26.71 x 26.71 x 2mm 2mm 26.71mm 26.71mm
RS Stock No. 172-0946
Mfr. Part No.2118726-2
$3.04
Each
units
Steel - - Surface Mount Nickel Silver - 44.37 x 44.37 x 9.75mm 9.75mm 44.37mm 44.37mm
RS Stock No. 788-4858
Mfr. Part No.S1941-46R
BrandHARWIN
$0.415
Each (In a Pack of 10)
units
Beryllium Copper EZ-BoardWare 9A Surface Mount Tin over Nickel - 9.59 x 5.7 x 7.25mm 7.25mm 9.59mm 5.7mm
RS Stock No. 161-3703
Mfr. Part No.S0991-46R
BrandHARWIN
$0.277
Each (In a Pack of 25)
units
Stainless Steel S0991 - Surface Mount Tin over Nickel - 6.5 x 0.9 x 1.38mm 1.38mm 6.5mm 0.9mm
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. 172-0888
Mfr. Part No.2118707-4
$0.947
Each (On a Tape of 550)
units
Aluminium - - Surface Mount Nickel Silver - 16.5 x 16.5 x 3.6mm 3.6mm 16.5mm 16.5mm
RS Stock No. 788-4820
Mfr. Part No.S1751-46R
BrandHARWIN
$0.296
Each (In a Pack of 10)
units
Brass - - Surface Mount - - 3.25 x 2 x 1.65mm 2mm 3.25mm 1.65mm
RS Stock No. 173-0863
Mfr. Part No.S7271-45R
BrandHARWIN
$0.212
Each (On a Reel of 7000)
units
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 3.5 x 1.5 x 2mm 2mm 3.5mm 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. 172-0962
Mfr. Part No.2118710-2
$1.65
Each (In a Pack of 4)
units
Steel - - Surface Mount Nickel Silver - 38.1 x 25.4 x 6mm 6mm 38.1mm 25.4mm
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