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. 164-9214
Mfr. Part No.2199249-4
$0.159
Each (On a Tape of 6000)
units
Copper Alloy - 2A Surface Mount Gold - 3.2 x 1.5 x 2.3mm 2.3mm 3.2mm 1.5mm
RS Stock No. 123-5973
Mfr. Part No.2199249-4
$0.337
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. 173-0857
Mfr. Part No.S7081-42R
BrandHARWIN
$0.212
Each (On a Reel of 2500)
units
- - - - - - - - - -
RS Stock No. 909-4473
Mfr. Part No.S0971-46R
BrandHARWIN
$0.44
Each (In a Pack of 10)
units
Stainless Steel - - Surface Mount - 100mΩ 5.92 x 1.1 x 2.1mm 2.1mm 5.92mm 1.1mm
RS Stock No. 187-0983
Mfr. Part No.2306334-3
$0.188
Each (On a Reel of 10)
units
Stainless Steel - 1A Surface Mount - 50mΩ 2 x 1 x 1.2mm 1.2mm 2mm 1mm
RS Stock No. 173-0867
Mfr. Part No.S1721-46R
BrandHARWIN
$0.222
Each (On a Reel of 5000)
units
Beryllium Copper S - Surface Mount Tin 40mΩ 5.08 x 1.07 x 2.23mm 2.23mm 5.08mm 1.07mm
RS Stock No. 788-4814
Mfr. Part No.S1791-42R
BrandHARWIN
$0.668
Each (In a Pack of 10)
units
Titanium Copper Alloy EZ-BoardWare 3A Surface Mount Gold - 7 x 2.05 x 4mm 4mm 7mm 2.05mm
RS Stock No. 123-5975
Mfr. Part No.2199248-6
$0.22
Each (In a Pack of 10)
units
Stainless Steel - 2A Surface Mount Gold - 3.9 x 2 x 1.6mm 1.6mm 3.9mm 2mm
RS Stock No. 909-4477
Mfr. Part No.S1761-46R
BrandHARWIN
$0.506
Each (In a Pack of 10)
units
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Tin over Nickel - 4.5 x 2.5 x 3.5mm 3.5mm 4.5mm 2.5mm
RS Stock No. 173-0837
Mfr. Part No.S7121-42R
BrandHARWIN
$0.179
Each (On a Reel of 5000)
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. 161-3703
Mfr. Part No.S0991-46R
BrandHARWIN
$0.296
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. 161-3600
Mfr. Part No.S02-30200250
BrandHARWIN
$7.21
Each
units
Copper Alloy S02 - Surface Mount - - 30 x 20 x 2.5mm 2.5mm 30mm 20mm
RS Stock No. 173-0859
Mfr. Part No.S7071-46R
BrandHARWIN
$0.197
Each (On a Reel of 6000)
units
- - - - - - - - - -
RS Stock No. 788-4820
Mfr. Part No.S1751-46R
BrandHARWIN
$0.345
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. 788-4861
Mfr. Part No.S7121-42R
BrandHARWIN
$0.41
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. 173-0845
Mfr. Part No.S1711-46R
BrandHARWIN
$0.212
Each (On a Reel of 1900)
units
Beryllium Copper S - Surface Mount Tin 20mΩ 8.79 x 2.28 x 3.85mm 3.85mm 8.79mm 2.28mm
RS Stock No. 173-0840
Mfr. Part No.S7251-45R
BrandHARWIN
$0.172
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. 123-5972
Mfr. Part No.3-2199250-2
$0.384
Each (In a Pack of 10)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 2.9mm 2.9mm 3.45mm 1.5mm
RS Stock No. 123-5976
Mfr. Part No.2199248-5
$0.262
Each (In a Pack of 10)
units
Stainless Steel - 2A Surface Mount Gold - 3.9 x 2 x 1.3mm 1.3mm 3.9mm 2mm
RS Stock No. 788-4795
Mfr. Part No.S1711-46R
BrandHARWIN
$0.542
Each (In a Pack of 10)
units
Beryllium Copper S - Surface Mount Tin 20mΩ 8.79 x 2.28 x 3.85mm 3.85mm 8.79mm 2.28mm