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. 788-4880
Mfr. Part No.S7081-42R
BrandHARWIN
€0.307
Each (In a Pack of 10)
units
- - - - - - - - - -
RS Stock No. 173-0857
Mfr. Part No.S7081-42R
BrandHARWIN
€0.108
Each (On a Reel of 2500)
units
- - - - - - - - - -
RS Stock No. 788-4802
Mfr. Part No.S1741-46R
BrandHARWIN
€0.16
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
€0.099
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. 173-0845
Mfr. Part No.S1711-46R
BrandHARWIN
€0.11
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. 173-0841
Mfr. Part No.S1751-46R
BrandHARWIN
€0.095
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. 788-4795
Mfr. Part No.S1711-46R
BrandHARWIN
€0.34
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
€0.18
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. 909-4477
Mfr. Part No.S1761-46R
BrandHARWIN
€0.281
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. 909-7570
Mfr. Part No.1447360-9
€0.163
Each (In a Pack of 10)
units
Copper Alloy - - Clip On - - 2.7 x 1.5 x 1.7mm 1.7mm 2.7mm 1.5mm
RS Stock No. 173-0899
Mfr. Part No.S7051-42R
BrandHARWIN
€0.16
Each (On a Reel of 1400)
units
- S7 - - - - - - - -
RS Stock No. 173-0867
Mfr. Part No.S1721-46R
BrandHARWIN
€0.113
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. 123-5977
Mfr. Part No.2199248-4
€0.125
Each (In a Pack of 10)
units
Stainless Steel - 2A Surface Mount Gold - 3.9 x 2 x 1mm 1mm 3.9mm 2mm
RS Stock No. 122-3520
Mfr. Part No.S7251-45R
BrandHARWIN
€0.219
Each (On a Tape of 10)
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. 173-0842
Mfr. Part No.S1761-46R
BrandHARWIN
€0.151
Each (On a Reel of 2000)
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. 788-4805
Mfr. Part No.S1721-46R
BrandHARWIN
€0.23
Each (In a Pack of 10)
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. 173-0840
Mfr. Part No.S7251-45R
BrandHARWIN
€0.088
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. 788-4883
Mfr. Part No.S7051-42R
BrandHARWIN
€0.33
Each (In a Pack of 10)
units
- S7 - - - - - - - -
RS Stock No. 164-9210
Mfr. Part No.2199248-4
€0.057
Each (On a Tape of 11000)
units
Stainless Steel - 2A Surface Mount Gold - 3.9 x 2 x 1mm 1mm 3.9mm 2mm
RS Stock No. 164-8330
Mfr. Part No.1447360-9
€0.146
Each (On a Tape of 5000)
units
Copper Alloy - - Clip On - - 2.7 x 1.5 x 1.7mm 1.7mm 2.7mm 1.5mm
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