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. 909-7570
Mfr. Part No.1447360-9
TWD9.90
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. 164-8330
Mfr. Part No.1447360-9
TWD5.30
Each (On a Tape of 5000)
units
Copper Alloy - - Clip On - - 2.7 x 1.5 x 1.7mm 1.7mm 2.7mm 1.5mm
RS Stock No. 164-8332
Mfr. Part No.1551575-5
TWD4.60
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. 909-7255
Mfr. Part No.1551575-5
TWD6.80
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. 788-4861
Mfr. Part No.S7121-42R
BrandHARWIN
TWD8.10
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. 788-4805
Mfr. Part No.S1721-46R
BrandHARWIN
TWD9.50
Each (In a Pack of 10)
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. 173-0837
Mfr. Part No.S7121-42R
BrandHARWIN
TWD3.80
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. 788-4820
Mfr. Part No.S1751-46R
BrandHARWIN
TWD6.80
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. 173-0841
Mfr. Part No.S1751-46R
BrandHARWIN
TWD3.80
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. 173-0867
Mfr. Part No.S1721-46R
BrandHARWIN
TWD4.70
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. 186-4789
Mfr. Part No.1447009-5
TWD6.70
Each (On a Tape of 5000)
units
Copper Alloy - 500mA Surface Mount - - 0.8mm - 2mm
RS Stock No. 186-4790
Mfr. Part No.1565322-1
TWD3.70
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. 122-3521
Mfr. Part No.S7261-45R
BrandHARWIN
TWD10.20
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. 173-0859
Mfr. Part No.S7071-46R
BrandHARWIN
TWD4.20
Each (On a Reel of 6000)
units
- - - - - - - - - -
RS Stock No. 187-0932
Mfr. Part No.2306654-3
TWD2.30
Each (On a Reel of 7000)
units
Stainless Steel - 1A Surface Mount - 50mΩ 2.4 x 1 x 1.8mm 1.8mm 2.4mm 1mm
RS Stock No. 173-0894
Mfr. Part No.S7061-46R
BrandHARWIN
TWD6.30
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. 788-4824
Mfr. Part No.S2711-46R
BrandHARWIN
TWD6.00
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. 173-0819
Mfr. Part No.S2711-46R
BrandHARWIN
TWD3.10
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. 788-4886
Mfr. Part No.S7071-46R
BrandHARWIN
TWD12.70
Each (In a Pack of 10)
units
- - - - - - - - - -
RS Stock No. 123-5975
Mfr. Part No.2199248-6
TWD4.30
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