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. 123-5973
Mfr. Part No.2199249-4
$0.333
Each (In a Pack of 10)
units
Copper Alloy - 2A Surface Mount Gold - 3.2 x 1.5 x 2.3mm 2.3mm 3.2mm 1.5mm
RS Stock No. 164-9214
Mfr. Part No.2199249-4
$0.16
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. 164-9390
Mfr. Part No.3-2199250-2
$0.207
Each (In a Bag of 5000)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 2.9mm 2.9mm 3.45mm 1.5mm
RS Stock No. 123-5969
Mfr. Part No.3-2199250-5
$0.477
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. 164-9391
Mfr. Part No.3-2199250-3
$0.232
Each (On a Tape of 4400)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 3.2mm 3.2mm 3.45mm 1.5mm
RS Stock No. 186-4961
Mfr. Part No.1447009-5
$0.568
Each (On a Tape of 25)
units
Copper Alloy - 500mA Surface Mount - - 0.8mm - 2mm
RS Stock No. 187-0929
Mfr. Part No.2329497-1
$0.043
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. 187-0931
Mfr. Part No.2306454-3
$0.112
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. 164-9210
Mfr. Part No.2199248-4
$0.118
Each (On a Tape of 11000)
units
Stainless Steel - 2A Surface Mount Gold - 3.9 x 2 x 1mm 1mm 3.9mm 2mm
RS Stock No. 123-5970
Mfr. Part No.3-2199250-4
$0.449
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. 164-8332
Mfr. Part No.1551575-5
$0.25
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. 164-9392
Mfr. Part No.3-2199250-4
$0.266
Each (In a Bag of 3000)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 3.6mm 3.6mm 3.45mm 1.5mm
RS Stock No. 123-5976
Mfr. Part No.2199248-5
$0.273
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
RS Stock No. 187-0930
Mfr. Part No.2306334-3
$0.109
Each (On a Reel of 9000)
units
Stainless Steel - 1A Surface Mount - 50mΩ 2 x 1 x 1.2mm 1.2mm 2mm 1mm
RS Stock No. 186-4789
Mfr. Part No.1447009-5
$0.396
Each (On a Tape of 5000)
units
Copper Alloy - 500mA Surface Mount - - 0.8mm - 2mm
RS Stock No. 909-7570
Mfr. Part No.1447360-9
$0.51
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. 909-7255
Mfr. Part No.1551575-5
$0.363
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. 186-4790
Mfr. Part No.1565322-1
$0.188
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. 164-9211
Mfr. Part No.2199248-5
$0.119
Each (On a Tape of 9000)
units
Stainless Steel - 2A Surface Mount Gold - 3.9 x 2 x 1.3mm 1.3mm 3.9mm 2mm
RS Stock No. 123-5971
Mfr. Part No.3-2199250-3
$0.449
Each (In a Pack of 10)
units
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 3.2mm 3.2mm 3.45mm 1.5mm