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. 161-3702
Mfr. Part No.S0981-46R
BrandHARWIN
TWD9.40
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. 173-0862
Mfr. Part No.S7241-45R
BrandHARWIN
TWD4.10
Each (On a Reel of 8000)
units
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 3 x 1.5 x 1.3mm 1.3mm 3mm 1.5mm
RS Stock No. 161-3602
Mfr. Part No.S0991-46R
BrandHARWIN
TWD3.30
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. 186-4790
Mfr. Part No.1565322-1
TWD3.80
Each (On a Tape of 5000)
units
Copper Alloy - 1.5A Surface Mount - 50mΩ 3.2 x 0.75 x 1.6mm 1.6mm 3.2mm 0.75mm
RS Stock No. 173-0906
Mfr. Part No.S1951-46R
BrandHARWIN
TWD10.50
Each (On a Reel of 350)
units
Beryllium Copper EZ-BoardWare 7A Surface Mount Tin over Nickel - 9.59 x 5.7 x 7.25mm 7.25mm 9.59mm 5.7mm
RS Stock No. 788-4874
Mfr. Part No.S7111-42R
BrandHARWIN
TWD10.80
Each (In a Pack of 10)
units
- - - - - - - - - -
RS Stock No. 123-5975
Mfr. Part No.2199248-6
TWD3.90
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. 187-0983
Mfr. Part No.2306334-3
TWD3.20
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. 164-9213
Mfr. Part No.2199249-3
TWD2.30
Each (On a Tape of 7000)
units
Copper Alloy - 2A Surface Mount Gold - 3.2 x 1.5 x 2mm 2mm 3.2mm 1.5mm
RS Stock No. 173-0863
Mfr. Part No.S7271-45R
BrandHARWIN
TWD4.30
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. 788-4883
Mfr. Part No.S7051-42R
BrandHARWIN
TWD13.30
Each (In a Pack of 10)
units
- S7 - - - - - - - -
RS Stock No. 185-9255
Mfr. Part No.1437259-6
TWD10.00
Each (On a Tape of 2000)
units
Copper Alloy - 1.5A Surface Mount Nickel Plated - 7 x 2.5 x 4mm 4mm 7mm 2.5mm
RS Stock No. 161-3603
Mfr. Part No.S1001-46R
BrandHARWIN
TWD4.00
Each (On a Reel of 20000)
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. 161-3704
Mfr. Part No.S1001-46R
BrandHARWIN
TWD10.20
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. 173-0838
Mfr. Part No.S1411-46R
BrandHARWIN
TWD4.30
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. 187-0928
Mfr. Part No.2336713-1
TWD2.70
Each (On a Reel of 8000)
units
- - 1.5A Surface Mount - 30mΩ 1.7 x 1.1 x 1.45mm 1.45mm 1.7mm 1.1mm
RS Stock No. 788-4808
Mfr. Part No.S1411-46R
BrandHARWIN
TWD9.70
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. 164-9211
Mfr. Part No.2199248-5
TWD2.10
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. 788-4870
Mfr. Part No.S7041-42R
BrandHARWIN
TWD12.50
Each (In a Pack of 10)
units
- - - - - - - - - -
RS Stock No. 173-0889
Mfr. Part No.S7041-42R
BrandHARWIN
TWD5.00
Each (On a Reel of 2000)
units
- - - - - - - - - -