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. 123-5969
Mfr. Part No.3-2199250-5
€0.107
Each (In a Pack of 10)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 3.8mm 3.8mm 3.45mm 1.5mm
RS Stock No. 122-3519
Mfr. Part No.S7241-45R
BrandHARWIN
€0.304
Each (On a Tape of 10)
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. 788-4886
Mfr. Part No.S7071-46R
BrandHARWIN
€0.299
Each (In a Pack of 10)
units
- - - - - - - - - -
RS Stock No. 123-5976
Mfr. Part No.2199248-5
€0.048
Each (In a Pack of 10)
units
Stainless Steel - 2A Surface Mount Gold - 3.9 x 2 x 1.3mm 1.3mm 3.9mm 2mm
RS Stock No. 173-0889
Mfr. Part No.S7041-42R
BrandHARWIN
€0.144
Each (On a Reel of 2000)
units
- - - - - - - - - -
RS Stock No. 161-3702
Mfr. Part No.S0981-46R
BrandHARWIN
€0.084
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. 123-5975
Mfr. Part No.2199248-6
€0.048
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
€0.12
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. 173-0849
Mfr. Part No.S7231-45R
BrandHARWIN
€0.095
Each (On a Reel of 10000)
units
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 2.5 x 1 x 1.28mm 1.28mm 2.5mm 1mm
RS Stock No. 173-0838
Mfr. Part No.S1411-46R
BrandHARWIN
€0.124
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. 909-4473
Mfr. Part No.S0971-46R
BrandHARWIN
€0.276
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. 788-4852
Mfr. Part No.S1951-46R
BrandHARWIN
€0.258
Each (In a Pack of 10)
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. 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. 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. 909-7255
Mfr. Part No.1551575-5
€0.177
Each (In a Pack of 10)
units
Stainless Steel - - Screw - - 3.26 x 1.3 x 3mm 3mm 3.26mm 1.3mm
RS Stock No. 164-9393
Mfr. Part No.3-2199250-5
€0.094
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. 161-3701
Mfr. Part No.S02-30200250
BrandHARWIN
€3.81
1 Pack of 1
Pack(s)
Copper Alloy S02 - Surface Mount - - 30 x 20 x 2.5mm 2.5mm 30mm 20mm
RS Stock No. 187-0932
Mfr. Part No.2306654-3
€0.057
Each (On a Reel of 7000)
units
Stainless Steel - 1A Surface Mount - 50mΩ 2.4 x 1 x 1.8mm 1.8mm 2.4mm 1mm
RS Stock No. 122-3518
Mfr. Part No.S7231-45R
BrandHARWIN
€0.276
Each (On a Tape of 10)
units
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 2.5 x 1 x 1.28mm 1.28mm 2.5mm 1mm
RS Stock No. 161-3704
Mfr. Part No.S1001-46R
BrandHARWIN
€0.072
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
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