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. 788-4820
Mfr. Part No.S1751-46R
BrandHARWIN
£0.158
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
£0.087
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. 173-0875
Mfr. Part No.S0971-46R
BrandHARWIN
£0.103
Each (On a Reel of 5000)
Units
Stainless Steel - - Surface Mount - 100mΩ 5.92 x 1.1 x 2.1mm 2.1mm 5.92mm 1.1mm
RS Stock No. 909-4473
Mfr. Part No.S0971-46R
BrandHARWIN
£0.21
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. 788-4861
Mfr. Part No.S7121-42R
BrandHARWIN
£0.191
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. 173-0837
Mfr. Part No.S7121-42R
BrandHARWIN
£0.082
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. 122-3515
Mfr. Part No.S7061-46R
BrandHARWIN
£0.295
Each (On a Tape of 10)
Units
Beryllium Copper EZ-BoardWare 4A Surface Mount Tin over Nickel 20mΩ 6.95 x 2.5 x 5.57mm 5.57mm 6.95mm 2.5mm
RS Stock No. 173-0894
Mfr. Part No.S7061-46R
BrandHARWIN
£0.137
Each (On a Reel of 1200)
Units
Beryllium Copper EZ-BoardWare 4A Surface Mount Tin over Nickel 20mΩ 6.95 x 2.5 x 5.57mm 5.57mm 6.95mm 2.5mm
RS Stock No. 788-4858
Mfr. Part No.S1941-46R
BrandHARWIN
£0.30
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. 173-0863
Mfr. Part No.S7271-45R
BrandHARWIN
£0.097
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. 122-3522
Mfr. Part No.S7271-45R
BrandHARWIN
£0.232
Each (On a Tape of 10)
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. 788-4802
Mfr. Part No.S1741-46R
BrandHARWIN
£0.148
Each (In a Pack of 10)
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. 173-0830
Mfr. Part No.S1741-46R
BrandHARWIN
£0.089
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. 173-0838
Mfr. Part No.S1411-46R
BrandHARWIN
£0.099
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. 173-0899
Mfr. Part No.S7051-42R
BrandHARWIN
£0.144
Each (On a Reel of 1400)
Units
- S7 - - - - - - - -
RS Stock No. 788-4808
Mfr. Part No.S1411-46R
BrandHARWIN
£0.205
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. 788-4883
Mfr. Part No.S7051-42R
BrandHARWIN
£0.306
Each (In a Pack of 10)
Units
- S7 - - - - - - - -
RS Stock No. 173-0892
Mfr. Part No.S7111-42R
BrandHARWIN
£0.116
Each (On a Reel of 1800)
Units
- - - - - - - - - -
RS Stock No. 788-4874
Mfr. Part No.S7111-42R
BrandHARWIN
£0.255
Each (In a Pack of 10)
Units
- - - - - - - - - -
RS Stock No. 173-0845
Mfr. Part No.S1711-46R
BrandHARWIN
£0.099
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