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. 173-0851
Mfr. Part No.S1761-42R
BrandHARWIN
MYR0.632
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. 788-4811
Mfr. Part No.S1761-42R
BrandHARWIN
MYR0.752
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. 788-4808
Mfr. Part No.S1411-46R
BrandHARWIN
MYR0.776
Each (In a Pack of 10)
units
Beryllium Copper S - Surface Mount Tin 20mΩ 8.79 x 2.28 x 3.85mm 3.85mm 8.79mm 2.28mm
RS Stock No. 788-4861
Mfr. Part No.S7121-42R
BrandHARWIN
MYR1.134
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. 173-0838
Mfr. Part No.S1411-46R
BrandHARWIN
MYR0.579
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
RS Stock No. 173-0837
Mfr. Part No.S7121-42R
BrandHARWIN
MYR0.548
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. 173-0841
Mfr. Part No.S1751-46R
BrandHARWIN
MYR0.593
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. 788-4820
Mfr. Part No.S1751-46R
BrandHARWIN
MYR0.71
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. 173-0848
Mfr. Part No.S7221-45R
BrandHARWIN
MYR0.585
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. 164-9390
Mfr. Part No.3-2199250-2
MYR3,134.79
1 Bag of 5000
Bag(s)
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 2.9mm 2.9mm 3.45mm 1.5mm
RS Stock No. 172-0893
Mfr. Part No.2118710-2
MYR3.573
Each (On a Tape of 216)
units
Steel - - Surface Mount Nickel Silver - 38.1 x 25.4 x 6mm 6mm 38.1mm 25.4mm
RS Stock No. 172-0949
Mfr. Part No.2118727-2
MYR2.746
Each (In a Pack of 5)
units
Steel - - Surface Mount Nickel Silver - 29.96 x 19.1 x 2mm 2mm 29.96mm 19.1mm
RS Stock No. 172-0901
Mfr. Part No.2118714-2
MYR1.428
Each (On a Tape of 900)
units
Steel - - Surface Mount Nickel Silver - 13.66 x 12.7 x 2.54mm 2.54mm 13.66mm 12.7mm
RS Stock No. 172-0916
Mfr. Part No.2118724-2
MYR4.223
Each (On a Tape of 186)
units
Steel - - Surface Mount Nickel Silver - 36.83 x 33.68 x 5.08mm 5.08mm 36.83mm 33.68mm
RS Stock No. 172-0966
Mfr. Part No.2118712-2
MYR9.43
Each
units
Steel - - Surface Mount Nickel Silver - 44.37 x 44.37 x 9.75mm 9.75mm 44.37mm 44.37mm
RS Stock No. 172-0939
Mfr. Part No.2118718-2
MYR5.018
Each (In a Pack of 5)
units
Steel - - Surface Mount Nickel Silver - 26.21 x 26.21 x 5.08mm 5.08mm 26.21mm 26.21mm
RS Stock No. 172-0894
Mfr. Part No.2118710-4
MYR7.657
Each (On a Tape of 216)
units
Aluminium - - Surface Mount Nickel Silver - 38.1 x 25.4 x 6mm 6mm 38.1mm 25.4mm
RS Stock No. 122-3519
Mfr. Part No.S7241-45R
BrandHARWIN
MYR0.865
Each (On a Tape of 10)
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. 161-3704
Mfr. Part No.S1001-46R
BrandHARWIN
MYR1.481
Each (In a Pack of 25)
units
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. 909-7255
Mfr. Part No.1551575-5
MYR1.119
Each (In a Pack of 10)
units
Stainless Steel - - Screw - - 3.26 x 1.3 x 3mm 3mm 3.26mm 1.3mm
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