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
HK$1.246
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
HK$1.114
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. 173-0864
Mfr. Part No.S7261-45R
BrandHARWIN
HK$1.185
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
HK$1.045
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. 173-0860
Mfr. Part No.S7091-42R
BrandHARWIN
HK$1.184
Each (On a Reel of 2500)
units
Titanium Copper Alloy EZ-BoardWare 6A Surface Mount Gold - 4 x 2.5 x 2.7mm 2.7mm 4mm 2.5mm
RS Stock No. 161-3603
Mfr. Part No.S1001-46R
BrandHARWIN
HK$32,589.00
1 Reel of 20000
Reel(s)
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. 122-3518
Mfr. Part No.S7231-45R
BrandHARWIN
HK$1.774
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. 173-0897
Mfr. Part No.S1791-42R
BrandHARWIN
HK$1.625
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. 122-3522
Mfr. Part No.S7271-45R
BrandHARWIN
HK$1.967
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. 173-0899
Mfr. Part No.S7051-42R
BrandHARWIN
HK$1.671
Each (On a Reel of 1400)
units
- S7 - - - - - - - -
RS Stock No. 173-0840
Mfr. Part No.S7251-45R
BrandHARWIN
HK$0.988
Each (On a Reel of 8000)
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. 788-4802
Mfr. Part No.S1741-46R
BrandHARWIN
HK$1.687
Each (In a Pack of 10)
units
Phosphor Bronze EZ-BoardWare 6A Surface Mount Tin over Nickel - 5.4 x 3.1 x 2.5mm 2.5mm 5.4mm 3.1mm
RS Stock No. 161-3602
Mfr. Part No.S0991-46R
BrandHARWIN
HK$19,915.50
1 Reel of 15000
Reel(s)
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. 788-4861
Mfr. Part No.S7121-42R
BrandHARWIN
HK$1.71
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. 788-4814
Mfr. Part No.S1791-42R
BrandHARWIN
HK$1.844
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. 173-0819
Mfr. Part No.S2711-46R
BrandHARWIN
HK$0.812
Each (On a Reel of 1900)
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. 122-3515
Mfr. Part No.S7061-46R
BrandHARWIN
HK$2.571
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. 173-0867
Mfr. Part No.S1721-46R
BrandHARWIN
HK$1.207
Each (On a Reel of 5000)
units
Beryllium Copper S - Surface Mount Tin 40mΩ 5.08 x 1.07 x 2.23mm 2.23mm 5.08mm 1.07mm
RS Stock No. 161-3701
Mfr. Part No.S02-30200250
BrandHARWIN
HK$43.45
1 Pack of 1
Pack(s)
Copper Alloy S02 - Surface Mount - - 30 x 20 x 2.5mm 2.5mm 30mm 20mm
RS Stock No. 173-0845
Mfr. Part No.S1711-46R
BrandHARWIN
HK$1.068
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