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. 788-4811
Mfr. Part No.S1761-42R
BrandHARWIN
MYR0.827
Each (In a Pack of 10)
units
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Gold - 4.5 x 2.5 x 3.5mm 3.5mm 4.5mm 2.5mm
RS Stock No. 173-0851
Mfr. Part No.S1761-42R
BrandHARWIN
MYR0.664
Each (On a Reel of 2000)
units
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Gold - 4.5 x 2.5 x 3.5mm 3.5mm 4.5mm 2.5mm
RS Stock No. 173-0841
Mfr. Part No.S1751-46R
BrandHARWIN
MYR0.442
Each (On a Reel of 2500)
units
Brass - - Surface Mount - - 3.25 x 2 x 1.65mm 2mm 3.25mm 1.65mm
RS Stock No. 173-0837
Mfr. Part No.S7121-42R
BrandHARWIN
MYR0.446
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. 788-4808
Mfr. Part No.S1411-46R
BrandHARWIN
MYR0.815
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. 173-0838
Mfr. Part No.S1411-46R
BrandHARWIN
MYR0.552
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. 788-4820
Mfr. Part No.S1751-46R
BrandHARWIN
MYR0.71
Each (In a Pack of 10)
units
Brass - - Surface Mount - - 3.25 x 2 x 1.65mm 2mm 3.25mm 1.65mm
RS Stock No. 788-4861
Mfr. Part No.S7121-42R
BrandHARWIN
MYR1.134
Each (In a Pack of 10)
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. 172-0893
Mfr. Part No.2118710-2
MYR2.902
Each (On a Tape of 216)
units
Steel - - Surface Mount Nickel Silver - 38.1 x 25.4 x 6mm 6mm 38.1mm 25.4mm
RS Stock No. 788-4814
Mfr. Part No.S1791-42R
BrandHARWIN
MYR1.146
Each (In a Pack of 10)
units
Titanium Copper Alloy EZ-BoardWare 3A Surface Mount Gold - 7 x 2.05 x 4mm 4mm 7mm 2.05mm
RS Stock No. 788-4883
Mfr. Part No.S7051-42R
BrandHARWIN
MYR1.20
Each (In a Pack of 10)
units
- S7 - - - - - - - -
RS Stock No. 186-4790
Mfr. Part No.1565322-1
MYR0.782
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. 172-0898
Mfr. Part No.2118712-4
MYR12.115
Each (On a Tape of 90)
units
Aluminium - - Surface Mount Nickel Silver - 44.37 x 44.37 x 9.75mm 9.75mm 44.37mm 44.37mm
RS Stock No. 172-0894
Mfr. Part No.2118710-4
MYR6.219
Each (On a Tape of 216)
units
Aluminium - - Surface Mount Nickel Silver - 38.1 x 25.4 x 6mm 6mm 38.1mm 25.4mm
RS Stock No. 172-0908
Mfr. Part No.2118719-2
MYR1.616
Each (In a Box of 100)
units
Steel - - Surface Mount Nickel Silver - 32.5 x 32.5 x 2mm 2mm 32.5mm 32.5mm
RS Stock No. 172-0935
Mfr. Part No.2118723-4
MYR5.77
Each (In a Pack of 5)
units
Aluminium - - Surface Mount Nickel Silver - 37.33 x 34.18 x 2mm 2mm 37.33mm 34.18mm
RS Stock No. 172-0905
Mfr. Part No.2118717-2
MYR1.40
Each (In a Box of 100)
units
Steel - - Surface Mount Nickel Silver - 26.71 x 26.71 x 2mm 2mm 26.71mm 26.71mm
RS Stock No. 172-0926
Mfr. Part No.2118731-2
MYR2.115
Each (In a Box of 40)
units
Steel - - Surface Mount Nickel Silver - 51.3 x 38.6 x 2mm 2mm 51.3mm 38.6mm
RS Stock No. 172-0924
Mfr. Part No.2118729-4
MYR5.628
Each (In a Box of 60)
units
Aluminium - - Surface Mount Nickel Silver - 44.6 x 31.1 x 2mm 2mm 44.6mm 31.1mm
RS Stock No. 164-8330
Mfr. Part No.1447360-9
MYR4,408.04
1 Tape of 5000
Tape(s)
Copper Alloy - - Clip On - - 2.7 x 1.5 x 1.7mm 1.7mm 2.7mm 1.5mm
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