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. 161-3703
Mfr. Part No.S0991-46R
BrandHARWIN
TWD7.60
Each (In a Pack of 25)
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. 123-5971
Mfr. Part No.3-2199250-3
TWD8.30
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. 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. 122-3515
Mfr. Part No.S7061-46R
BrandHARWIN
TWD11.50
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. 123-5977
Mfr. Part No.2199248-4
TWD4.00
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. 164-9214
Mfr. Part No.2199249-4
TWD2.80
Each (On a Tape of 6000)
units
Copper Alloy - 2A Surface Mount Gold - 3.2 x 1.5 x 2.3mm 2.3mm 3.2mm 1.5mm
RS Stock No. 172-0951
Mfr. Part No.2118721-2
TWD18.60
Each (In a Pack of 5)
units
Steel - - Surface Mount Nickel Silver - 38.6 x 25.9 x 2mm 2mm 38.6mm 25.9mm
RS Stock No. 185-9858
Mfr. Part No.1437259-6
TWD16.60
Each (On a Tape of 10)
units
Copper Alloy - 1.5A Surface Mount Nickel Plated - 7 x 2.5 x 4mm 4mm 7mm 2.5mm
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. 122-3520
Mfr. Part No.S7251-45R
BrandHARWIN
TWD8.60
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. 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. 788-4824
Mfr. Part No.S2711-46R
BrandHARWIN
TWD5.50
Each (In a Pack of 10)
units
Nickel Copper Alloy S - Surface Mount Tin 20mΩ 8.79 x 2.28 x 3.85mm 3.85mm 8.79mm 2.28mm
RS Stock No. 187-0987
Mfr. Part No.2306454-3
TWD4.10
Each (On a Reel of 10)
units
Stainless Steel - 1A Surface Mount - 50mΩ 2.4 x 1 x 2.28mm 2.28mm 2.4mm 1mm
RS Stock No. 122-3522
Mfr. Part No.S7271-45R
BrandHARWIN
TWD9.10
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. 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. 123-5973
Mfr. Part No.2199249-4
TWD5.80
Each (In a Pack of 10)
units
Copper Alloy - 2A Surface Mount Gold - 3.2 x 1.5 x 2.3mm 2.3mm 3.2mm 1.5mm
RS Stock No. 173-0875
Mfr. Part No.S0971-46R
BrandHARWIN
TWD4.40
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. 173-0842
Mfr. Part No.S1761-46R
BrandHARWIN
TWD5.50
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. 173-0898
Mfr. Part No.S7061-42R
BrandHARWIN
TWD5.50
Each (On a Reel of 1500)
units
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Gold - 7 x 2.5 x 5.5mm 5.5mm 7mm 2.5mm
RS Stock No. 123-5969
Mfr. Part No.3-2199250-5
TWD8.80
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