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. 173-0894
Mfr. Part No.S7061-46R
BrandHARWIN
TWD6.50
Each (On a Reel of 1200)
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
TWD4.10
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
TWD3.40
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. 173-0892
Mfr. Part No.S7111-42R
BrandHARWIN
TWD5.40
Each (On a Reel of 1800)
units
- - - - - - - - - -
RS Stock No. 788-4852
Mfr. Part No.S1951-46R
BrandHARWIN
TWD15.20
Each (In a Pack of 10)
units
Beryllium Copper EZ-BoardWare 7A Surface Mount Tin over Nickel - 9.59 x 5.7 x 7.25mm 7.25mm 9.59mm 5.7mm
RS Stock No. 186-4790
Mfr. Part No.1565322-1
TWD3.80
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. 187-0929
Mfr. Part No.2329497-1
TWD0.70
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. 123-5970
Mfr. Part No.3-2199250-4
TWD8.90
Each (In a Pack of 10)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 3.6mm 3.6mm 3.45mm 1.5mm
RS Stock No. 122-3522
Mfr. Part No.S7271-45R
BrandHARWIN
TWD14.10
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
New
RS Stock No. 217-5374
Mfr. Part No.1551573-5
TWD6.80
Each (In a Pack of 25)
units
Stainless Steel - 500mA - Gold - 3.26 x 1.15mm 2.15mm - -
RS Stock No. 122-3518
Mfr. Part No.S7231-45R
BrandHARWIN
TWD11.80
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. 164-9212
Mfr. Part No.2199248-6
TWD2.40
Each (On a Tape of 8000)
units
Stainless Steel - 2A Surface Mount Gold - 3.9 x 2 x 1.6mm 1.6mm 3.9mm 2mm
RS Stock No. 122-3521
Mfr. Part No.S7261-45R
BrandHARWIN
TWD10.80
Each (On a Tape of 10)
units
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 3 x 2 x 1.5mm 1.5mm 3mm 2mm
RS Stock No. 788-4824
Mfr. Part No.S2711-46R
BrandHARWIN
TWD5.80
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. 173-0859
Mfr. Part No.S7071-46R
BrandHARWIN
TWD4.20
Each (On a Reel of 6000)
units
- - - - - - - - - -
RS Stock No. 122-3517
Mfr. Part No.S7221-45R
BrandHARWIN
TWD13.60
Each (On a Tape of 10)
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
TWD4.60
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. 187-0979
Mfr. Part No.2329497-1
TWD1.50
Each (On a Reel of 10)
units
- - 1.5A Surface Mount - 30mΩ 2.7 x 1 x 1.15mm 1.15mm 2.7mm 1mm
RS Stock No. 185-9255
Mfr. Part No.1437259-6
TWD10.30
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. 123-5975
Mfr. Part No.2199248-6
TWD5.60
Each (In a Pack of 10)
units
Stainless Steel - 2A Surface Mount Gold - 3.9 x 2 x 1.6mm 1.6mm 3.9mm 2mm