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. 172-0890
Mfr. Part No.2118708-4
€1.031
Each (On a Tape of 280)
units
Aluminium - - Surface Mount Nickel Silver - 26.21 x 26.21 x 5.08mm 5.08mm 26.21mm 26.21mm
RS Stock No. 173-0863
Mfr. Part No.S7271-45R
BrandHARWIN
€0.107
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. 172-0973
Mfr. Part No.2118715-4
€0.73
Each (In a Pack of 5)
units
Aluminium - - Surface Mount Nickel Silver - 16.9 x 16.9 x 2mm 2mm 16.9mm 16.9mm
RS Stock No. 187-0931
Mfr. Part No.2306454-3
€0.057
Each (On a Reel of 5000)
units
Stainless Steel - 1A Surface Mount - 50mΩ 2.4 x 1 x 2.28mm 2.28mm 2.4mm 1mm
RS Stock No. 172-0944
Mfr. Part No.2118707-4
€0.934
Each (In a Pack of 5)
units
Aluminium - - Surface Mount Nickel Silver - 16.5 x 16.5 x 3.6mm 3.6mm 16.5mm 16.5mm
RS Stock No. 172-0899
Mfr. Part No.2118713-2
€0.268
Each (In a Box of 100)
units
Steel - - Surface Mount Nickel Silver - 14.06 x 13.1 x 2mm 2mm 14.06mm 13.1mm
RS Stock No. 172-0914
Mfr. Part No.2118723-2
€0.419
Each (In a Box of 60)
units
Steel - - Surface Mount Nickel Silver - 37.33 x 34.18 x 2mm 2mm 37.33mm 34.18mm
RS Stock No. 123-5970
Mfr. Part No.3-2199250-4
€0.108
Each (In a Pack of 10)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 3.6mm 3.6mm 3.45mm 1.5mm
RS Stock No. 173-0864
Mfr. Part No.S7261-45R
BrandHARWIN
€0.063
Each (On a Reel of 8000)
units
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 3 x 2 x 1.5mm 1.5mm 3mm 2mm
RS Stock No. 161-3704
Mfr. Part No.S1001-46R
BrandHARWIN
€0.314
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. 173-0837
Mfr. Part No.S7121-42R
BrandHARWIN
€0.097
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. 122-3521
Mfr. Part No.S7261-45R
BrandHARWIN
€0.064
Each (On a Tape of 10)
units
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 3 x 2 x 1.5mm 1.5mm 3mm 2mm
RS Stock No. 172-0915
Mfr. Part No.2118723-4
€0.955
Each (In a Box of 60)
units
Aluminium - - Surface Mount Nickel Silver - 37.33 x 34.18 x 2mm 2mm 37.33mm 34.18mm
RS Stock No. 172-0891
Mfr. Part No.2118709-2
€0.751
Each (On a Tape of 166)
units
Steel - - Surface Mount Nickel Silver - 32 x 32 x 6mm 6mm 32mm 32mm
RS Stock No. 173-0897
Mfr. Part No.S1791-42R
BrandHARWIN
€0.15
Each (On a Reel of 2000)
units
Titanium Copper Alloy EZ-BoardWare 3A Surface Mount Gold - 7 x 2.05 x 4mm 4mm 7mm 2.05mm
RS Stock No. 123-5971
Mfr. Part No.3-2199250-3
€0.108
Each (In a Pack of 10)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 3.2mm 3.2mm 3.45mm 1.5mm
RS Stock No. 172-0920
Mfr. Part No.2118727-2
€0.29
Each (In a Box of 100)
units
Steel - - Surface Mount Nickel Silver - 29.96 x 19.1 x 2mm 2mm 29.96mm 19.1mm
RS Stock No. 172-0903
Mfr. Part No.2118715-4
€0.494
Each (In a Box of 100)
units
Aluminium - - Surface Mount Nickel Silver - 16.9 x 16.9 x 2mm 2mm 16.9mm 16.9mm
RS Stock No. 186-4790
Mfr. Part No.1565322-1
€0.13
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. 172-0969
Mfr. Part No.2118713-2
€0.355
Each (In a Pack of 10)
units
Steel - - Surface Mount Nickel Silver - 14.06 x 13.1 x 2mm 2mm 14.06mm 13.1mm
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