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
MYR0.827
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. 173-0838
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. 788-4861
Mfr. Part No.S7121-42R
BrandHARWIN
MYR1.245
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. 173-0841
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
MYR0.922
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. 788-4820
Mfr. Part No.S1751-46R
BrandHARWIN
MYR1.107
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. 173-0837
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. 164-9392
Mfr. Part No.3-2199250-4
MYR0.638
Each (In a Bag of 3000)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 3.6mm 3.6mm 3.45mm 1.5mm
RS Stock No. 173-0867
Mfr. Part No.S1721-46R
BrandHARWIN
MYR0.536
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. 173-0899
Mfr. Part No.S7051-42R
BrandHARWIN
MYR0.909
Each (On a Reel of 1400)
units
- S7 - - - - - - - -
RS Stock No. 161-3701
Mfr. Part No.S02-30200250
BrandHARWIN
MYR17.83
1 Pack of 1
Pack(s)
Copper Alloy S02 - Surface Mount - - 30 x 20 x 2.5mm 2.5mm 30mm 20mm
RS Stock No. 186-4789
Mfr. Part No.1447009-5
MYR1.251
Each (On a Tape of 5000)
units
Copper Alloy - 500mA Surface Mount - - 0.8mm - 2mm
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
RS Stock No. 161-3702
Mfr. Part No.S0981-46R
BrandHARWIN
MYR1.392
Each (In a Pack of 25)
units
Stainless Steel S0981 - Surface Mount Tin over Nickel - 4.7 x 4.7 x 1.4mm 1.4mm 4.7mm 4.7mm
RS Stock No. 187-0992
Mfr. Part No.2306654-3
MYR0.782
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. 788-4824
Mfr. Part No.S2711-46R
BrandHARWIN
MYR0.694
Each (In a Pack of 10)
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. 164-9211
Mfr. Part No.2199248-5
MYR0.306
Each (On a Tape of 9000)
units
Stainless Steel - 2A Surface Mount Gold - 3.9 x 2 x 1.3mm 1.3mm 3.9mm 2mm
RS Stock No. 173-0830
Mfr. Part No.S1741-46R
BrandHARWIN
MYR0.473
Each (On a Reel of 2500)
units
Phosphor Bronze EZ-BoardWare 6A Surface Mount Tin over Nickel - 5.4 x 3.1 x 2.5mm 2.5mm 5.4mm 3.1mm
RS Stock No. 788-4795
Mfr. Part No.S1711-46R
BrandHARWIN
MYR1.529
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
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