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. 173-0851
Mfr. Part No.S1761-42R
BrandHARWIN
MYR0.725
Each (On a Reel of 2000)
units
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Gold - 4.5 x 2.5 x 3.5mm 3.5mm 4.5mm 2.5mm
RS Stock No. 788-4811
Mfr. Part No.S1761-42R
BrandHARWIN
MYR1.48
Each (In a Pack of 10)
units
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Gold - 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
MYR0.446
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. 788-4861
Mfr. Part No.S7121-42R
BrandHARWIN
MYR0.986
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. 788-4820
Mfr. Part No.S1751-46R
BrandHARWIN
MYR0.829
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. 173-0841
Mfr. Part No.S1751-46R
BrandHARWIN
MYR0.461
Each (On a Reel of 2500)
units
Brass - - Surface Mount - - 3.25 x 2 x 1.65mm 2mm 3.25mm 1.65mm
RS Stock No. 788-4808
Mfr. Part No.S1411-46R
BrandHARWIN
MYR1.10
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
RS Stock No. 173-0838
Mfr. Part No.S1411-46R
BrandHARWIN
MYR0.552
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. 161-3704
Mfr. Part No.S1001-46R
BrandHARWIN
MYR1.357
Each (In a Pack of 25)
units
Stainless Steel S1001 - Surface Mount Tin over Nickel - 4.5 x 0.75 x 0.9mm 0.9mm 4.5mm 0.75mm
RS Stock No. 909-4477
Mfr. Part No.S1761-46R
BrandHARWIN
MYR1.306
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. 173-0889
Mfr. Part No.S7041-42R
BrandHARWIN
MYR0.618
Each (On a Reel of 2000)
units
- - - - - - - - - -
RS Stock No. 173-0863
Mfr. Part No.S7271-45R
BrandHARWIN
MYR0.528
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. 187-0992
Mfr. Part No.2306654-3
MYR0.541
Each (On a Reel of 10)
units
Stainless Steel - 1A Surface Mount - 50mΩ 2.4 x 1 x 1.8mm 1.8mm 2.4mm 1mm
RS Stock No. 788-4864
Mfr. Part No.S7091-42R
BrandHARWIN
MYR1.46
Each (In a Pack of 10)
units
Titanium Copper Alloy EZ-BoardWare 6A Surface Mount Gold - 4 x 2.5 x 2.7mm 2.7mm 4mm 2.5mm
RS Stock No. 164-9390
Mfr. Part No.3-2199250-2
MYR0.493
Each (In a Bag of 5000)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 2.9mm 2.9mm 3.45mm 1.5mm
RS Stock No. 161-3602
Mfr. Part No.S0991-46R
BrandHARWIN
MYR0.417
Each (On a Reel of 15000)
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. 173-0849
Mfr. Part No.S7231-45R
BrandHARWIN
MYR0.446
Each (On a Reel of 10000)
units
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 2.5 x 1 x 1.28mm 1.28mm 2.5mm 1mm
RS Stock No. 123-5975
Mfr. Part No.2199248-6
MYR0.536
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. 164-8332
Mfr. Part No.1551575-5
MYR0.659
Each (On a Tape of 4000)
units
Stainless Steel - - Screw - - 3.26 x 1.3 x 3mm 3mm 3.26mm 1.3mm
RS Stock No. 164-9393
Mfr. Part No.3-2199250-5
MYR0.638
Each (In a Bag of 3000)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 3.8mm 3.8mm 3.45mm 1.5mm
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