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
€0.155
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. 173-0892
Mfr. Part No.S7111-42R
BrandHARWIN
€0.14
Each (On a Reel of 1800)
units
- - - - - - - - - -
RS Stock No. 122-3522
Mfr. Part No.S7271-45R
BrandHARWIN
€0.304
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
RS Stock No. 123-5972
Mfr. Part No.3-2199250-2
€0.208
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. 172-0911
Mfr. Part No.2118721-2
€0.165
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. 187-0928
Mfr. Part No.2336713-1
€0.038
Each (On a Reel of 8000)
units
- - 1.5A Surface Mount - 30mΩ 1.7 x 1.1 x 1.45mm 1.45mm 1.7mm 1.1mm
RS Stock No. 173-0894
Mfr. Part No.S7061-46R
BrandHARWIN
€0.152
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. 788-4814
Mfr. Part No.S1791-42R
BrandHARWIN
€0.371
Each (In a Pack of 10)
units
Titanium Copper Alloy EZ-BoardWare 3A Surface Mount Gold - 7 x 2.05 x 4mm 4mm 7mm 2.05mm
RS Stock No. 187-0931
Mfr. Part No.2306454-3
€0.057
Each (On a Reel of 5000)
units
Stainless Steel - 1A Surface Mount - 50mΩ 2.4 x 1 x 2.28mm 2.28mm 2.4mm 1mm
RS Stock No. 185-9858
Mfr. Part No.1437259-6
€0.58
Each (On a Tape of 10)
units
Copper Alloy - 1.5A Surface Mount - - 7 x 2.5 x 4mm 4mm 7mm 2.5mm
RS Stock No. 164-9212
Mfr. Part No.2199248-6
€0.063
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. 788-4870
Mfr. Part No.S7041-42R
BrandHARWIN
€0.345
Each (In a Pack of 10)
units
- - - - - - - - - -
RS Stock No. 122-3518
Mfr. Part No.S7231-45R
BrandHARWIN
€0.305
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. 186-4790
Mfr. Part No.1565322-1
€0.099
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. 123-5970
Mfr. Part No.3-2199250-4
€0.232
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. 909-7255
Mfr. Part No.1551575-5
€0.177
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. 788-4868
Mfr. Part No.S7061-42R
BrandHARWIN
€0.327
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. 123-5969
Mfr. Part No.3-2199250-5
€0.246
Each (In a Pack of 10)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 3.8mm 3.8mm 3.45mm 1.5mm
RS Stock No. 186-4961
Mfr. Part No.1447009-5
€0.364
Each (On a Tape of 25)
units
Copper Alloy - 500mA Surface Mount - - 0.8mm - 2mm
RS Stock No. 187-0987
Mfr. Part No.2306454-3
€0.13
Each (On a Reel of 10)
units
Stainless Steel - 1A Surface Mount - 50mΩ 2.4 x 1 x 2.28mm 2.28mm 2.4mm 1mm
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