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. 788-4802
Mfr. Part No.S1741-46R
BrandHARWIN
HK$1.62
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. 173-0848
Mfr. Part No.S7221-45R
BrandHARWIN
HK$0.933
Each (On a Reel of 10000)
units
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 2.6 x 1 x 1.23mm 1.23mm 2.6mm 1mm
RS Stock No. 173-0862
Mfr. Part No.S7241-45R
BrandHARWIN
HK$1.186
Each (On a Reel of 8000)
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. 173-0898
Mfr. Part No.S7061-42R
BrandHARWIN
HK$1.48
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. 173-0864
Mfr. Part No.S7261-45R
BrandHARWIN
HK$1.06
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. 161-3703
Mfr. Part No.S0991-46R
BrandHARWIN
HK$2.204
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. 788-4886
Mfr. Part No.S7071-46R
BrandHARWIN
HK$3.11
Each (In a Pack of 10)
units
- - - - - - - - - -
RS Stock No. 123-5974
Mfr. Part No.2199249-3
HK$1.36
Each (In a Pack of 10)
units
Copper Alloy - 2A Surface Mount Gold - 3.2 x 1.5 x 2mm 2mm 3.2mm 1.5mm
RS Stock No. 187-0929
Mfr. Part No.2329497-1
HK$0.211
Each (On a Reel of 10000)
units
- - 1.5A Surface Mount - 30mΩ 2.7 x 1 x 1.15mm 1.15mm 2.7mm 1mm
RS Stock No. 909-7255
Mfr. Part No.1551575-5
HK$1.94
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. 185-9255
Mfr. Part No.1437259-6
HK$2.60
Each (On a Tape of 2000)
units
Copper Alloy - 1.5A Surface Mount Nickel Plated - 7 x 2.5 x 4mm 4mm 7mm 2.5mm
RS Stock No. 161-3687
Mfr. Part No.S02-20150300
BrandHARWIN
HK$30.21
1 Pack of 1
Pack(s)
Copper Alloy S02 - Surface Mount - - 20 x 15 x 3mm 3mm 20mm 15mm
RS Stock No. 164-9214
Mfr. Part No.2199249-4
HK$0.813
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. 187-0975
Mfr. Part No.2336713-1
HK$0.92
Each (On a Reel of 10)
units
- - 1.5A Surface Mount - 30mΩ 1.7 x 1.1 x 1.45mm 1.45mm 1.7mm 1.1mm
RS Stock No. 172-0911
Mfr. Part No.2118721-2
HK$3.028
Each (In a Box of 100)
units
Steel - - Surface Mount Nickel Silver - 38.6 x 25.9 x 2mm 2mm 38.6mm 25.9mm
RS Stock No. 164-9393
Mfr. Part No.3-2199250-5
HK$1.33
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. 123-5972
Mfr. Part No.3-2199250-2
HK$1.98
Each (In a Pack of 10)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 2.9mm 2.9mm 3.45mm 1.5mm
RS Stock No. 788-4868
Mfr. Part No.S7061-42R
BrandHARWIN
HK$3.05
Each (In a Pack of 10)
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. 161-3600
Mfr. Part No.S02-30200250
BrandHARWIN
HK$24.85
Each
units
Copper Alloy S02 - Surface Mount - - 30 x 20 x 2.5mm 2.5mm 30mm 20mm
RS Stock No. 173-0863
Mfr. Part No.S7271-45R
BrandHARWIN
HK$1.10
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
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