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. 123-5973
Mfr. Part No.2199249-4
$0.321
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. 164-9214
Mfr. Part No.2199249-4
$0.156
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. 788-4824
Mfr. Part No.S2711-46R
BrandHARWIN
$0.209
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. 186-4972
Mfr. Part No.1565322-1
$0.448
Each (On a Tape of 25)
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. 172-0959
Mfr. Part No.2118722-2
$1.998
Each (In a Pack of 4)
units
Steel - - Surface Mount Nickel Silver - 38.1 x 25.4 x 6mm 6mm 38.1mm 25.4mm
RS Stock No. 172-0885
Mfr. Part No.2118706-2
$0.595
Each (On a Tape of 900)
units
Steel - - Surface Mount Nickel Silver - 13.66 x 12.7 x 2.54mm 2.54mm 13.66mm 12.7mm
RS Stock No. 186-4789
Mfr. Part No.1447009-5
$0.40
Each (On a Tape of 5000)
units
Copper Alloy - 500mA Surface Mount - - 0.8mm - 2mm
RS Stock No. 909-7570
Mfr. Part No.1447360-9
$0.493
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. 909-4473
Mfr. Part No.S0971-46R
BrandHARWIN
$0.374
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. 164-8332
Mfr. Part No.1551575-5
$0.25
Each (On a Tape of 4000)
units
Stainless Steel - - Screw - - 3.26 x 1.3 x 3mm 3mm 3.26mm 1.3mm
RS Stock No. 788-4858
Mfr. Part No.S1941-46R
BrandHARWIN
$0.525
Each (In a Pack of 10)
units
Beryllium Copper EZ-BoardWare 9A Surface Mount Tin over Nickel - 9.59 x 5.7 x 7.25mm 7.25mm 9.59mm 5.7mm
RS Stock No. 173-0864
Mfr. Part No.S7261-45R
BrandHARWIN
$0.205
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. 173-0842
Mfr. Part No.S1761-46R
BrandHARWIN
$0.188
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. 161-3687
Mfr. Part No.S02-20150300
BrandHARWIN
$5.78
1 Pack of 1
Pack(s)
Copper Alloy S02 - Surface Mount - - 20 x 15 x 3mm 3mm 20mm 15mm
RS Stock No. 172-0970
Mfr. Part No.2118713-4
$1.156
Each (In a Pack of 5)
units
Aluminium - - Surface Mount Nickel Silver - 14.06 x 13.1 x 2mm 2mm 14.06mm 13.1mm
RS Stock No. 172-0960
Mfr. Part No.2118729-2
$1.032
Each (In a Pack of 5)
units
Steel - - Surface Mount Nickel Silver - 44.6 x 31.1 x 2mm 2mm 44.6mm 31.1mm
RS Stock No. 909-4477
Mfr. Part No.S1761-46R
BrandHARWIN
$0.515
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. 172-0931
Mfr. Part No.2118731-4
$2.91
Each
units
Aluminium - - Surface Mount Nickel Silver - 51.3 x 38.6 x 2mm 2mm 51.3mm 38.6mm
RS Stock No. 172-0947
Mfr. Part No.2118708-2
$1.582
Each (In a Pack of 5)
units
Steel - - Surface Mount Nickel Silver - 26.21 x 26.21 x 5.08mm 5.08mm 26.21mm 26.21mm
RS Stock No. 161-3701
Mfr. Part No.S02-30200250
BrandHARWIN
$7.18
1 Pack of 1
Pack(s)
Copper Alloy S02 - Surface Mount - - 30 x 20 x 2.5mm 2.5mm 30mm 20mm
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30mm x 20mm, 2.5mm high, 0.2mm shield thickness.Recommended ...
Description:
30mm x 20mm, 2.5mm high, 0.2mm shield thickness.Recommended for use with S0941-46R, S0951-46R, S0961-46R, S0971-46R, S0981-46R, S0991-46R, S1001-46R or S1721-46R SMT Shield Clips.Easy to use and rework - no additional soldering operations required.
Corner type (4.7mm long, 1.3mm high), for shield ...
Description:
Corner type (4.7mm long, 1.3mm high), for shield thickness 0.2-0.25mm.Packaged in Tape & Reel for automated placement.Recommended for use with S02-20150300, S02-25200300 or S02-30200250 Shield Cans.