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 Contact Material Termination Method
RS Stock No. 909-7255
Mfr. Part No.1551575-5
TWD17
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. 164-8330
Mfr. Part No.1447360-9
TWD38,505
1 Tape of 5000
Tape(s)
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
TWD21,423
1 Tape of 4000
Tape(s)
Stainless Steel - - Screw - - 3.26 x 1.3 x 3mm 3mm 3.26mm 1.3mm - -
RS Stock No. 909-7570
Mfr. Part No.1447360-9
TWD7
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 - -
New
RS Stock No. 173-0841
Mfr. Part No.S1751-46R
BrandHARWIN
TWD5
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. 788-4861
Mfr. Part No.S7121-42R
BrandHARWIN
TWD12
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. 788-4820
Mfr. Part No.S1751-46R
BrandHARWIN
TWD7
Each (In a Pack of 10)
units
Brass - - Surface Mount - - 3.25 x 2 x 1.65mm 2mm 3.25mm 1.65mm - -
New
RS Stock No. 173-0837
Mfr. Part No.S7121-42R
BrandHARWIN
TWD4
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 - -
New
RS Stock No. 173-0867
Mfr. Part No.S1721-46R
BrandHARWIN
TWD5
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. 788-4805
Mfr. Part No.S1721-46R
BrandHARWIN
TWD11
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 - -
New
RS Stock No. 172-0913
Mfr. Part No.2118722-2
TWD31
Each (On a Tape of 216)
units
Steel - - Surface Mount Nickel Silver - 38.1 x 25.4 x 6mm 6mm 38.1mm 25.4mm - -
New
RS Stock No. 173-0842
Mfr. Part No.S1761-46R
BrandHARWIN
TWD5
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. 123-5976
Mfr. Part No.2199248-5
TWD7
Each (In a Pack of 10)
units
Stainless Steel - 2A Surface Mount Gold - 3.9 x 2 x 1.3mm 1.3mm 3.9mm 2mm - -
New
RS Stock No. 172-0887
Mfr. Part No.2118707-2
TWD15
Each (On a Tape of 550)
units
Steel - - Surface Mount Nickel Silver - 16.5 x 16.5 x 3.6mm 3.6mm 16.5mm 16.5mm - -
New
RS Stock No. 172-0971
Mfr. Part No.2118714-2
TWD26
Each (In a Pack of 5)
units
Steel - - Surface Mount Nickel Silver - 13.66 x 12.7 x 2.54mm 2.54mm 13.66mm 12.7mm - -
New
RS Stock No. 173-0819
Mfr. Part No.S2711-46R
BrandHARWIN
TWD4
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 - -
New
RS Stock No. 173-0851
Mfr. Part No.S1761-42R
BrandHARWIN
TWD5
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 - -
New
RS Stock No. 173-0863
Mfr. Part No.S7271-45R
BrandHARWIN
TWD5
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 - -
New
RS Stock No. 172-0922
Mfr. Part No.2118728-2
TWD24
Each (On a Tape of 280)
units
Steel - - Surface Mount Nickel Silver - 29.36 x 18.5 x 7mm 7mm 29.36mm 18.5mm - -
RS Stock No. 788-4864
Mfr. Part No.S7091-42R
BrandHARWIN
TWD12
Each (In a Pack of 10)
units
Titanium Copper Alloy EZ-BoardWare 6A Surface Mount Gold - 4 x 2.5 x 2.7mm 2.7mm 4mm 2.5mm - -