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. 172-0970
Mfr. Part No.2118713-4
HK$6.05
Each (In a Pack of 5)
units
Aluminium - - Surface Mount Nickel Silver - 14.06 x 13.1 x 2mm 2mm 14.06mm 13.1mm
RS Stock No. 172-0933
Mfr. Part No.2118717-2
HK$4.60
Each (In a Pack of 5)
units
Steel - - Surface Mount Nickel Silver - 26.71 x 26.71 x 2mm 2mm 26.71mm 26.71mm
RS Stock No. 185-9858
Mfr. Part No.1437259-6
HK$5.432
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. 187-0992
Mfr. Part No.2306654-3
HK$1.207
Each (On a Reel of 10)
units
Stainless Steel - 1A Surface Mount - 50mΩ 2.4 x 1 x 1.8mm 1.8mm 2.4mm 1mm
RS Stock No. 172-0921
Mfr. Part No.2118727-4
HK$5.64
Each (In a Box of 100)
units
Aluminium - - Surface Mount Nickel Silver - 29.96 x 19.1 x 2mm 2mm 29.96mm 19.1mm
RS Stock No. 172-0909
Mfr. Part No.2118719-4
HK$7.46
Each (In a Box of 100)
units
Aluminium - - Surface Mount Nickel Silver - 32.5 x 32.5 x 2mm 2mm 32.5mm 32.5mm
RS Stock No. 172-0905
Mfr. Part No.2118717-2
HK$2.781
Each (In a Box of 100)
units
Steel - - Surface Mount Nickel Silver - 26.71 x 26.71 x 2mm 2mm 26.71mm 26.71mm
RS Stock No. 123-5973
Mfr. Part No.2199249-4
HK$1.175
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. 172-0946
Mfr. Part No.2118726-2
HK$15.85
Each
units
Steel - - Surface Mount Nickel Silver - 44.37 x 44.37 x 9.75mm 9.75mm 44.37mm 44.37mm
RS Stock No. 172-0940
Mfr. Part No.2118707-2
HK$6.14
Each (In a Pack of 5)
units
Steel - - Surface Mount Nickel Silver - 16.5 x 16.5 x 3.6mm 3.6mm 16.5mm 16.5mm
RS Stock No. 172-0898
Mfr. Part No.2118712-4
HK$25.064
Each (On a Tape of 90)
units
Aluminium - - Surface Mount Nickel Silver - 44.37 x 44.37 x 9.75mm 9.75mm 44.37mm 44.37mm
RS Stock No. 172-0922
Mfr. Part No.2118728-2
HK$4.285
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. 172-0971
Mfr. Part No.2118714-2
HK$5.20
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
RS Stock No. 164-9391
Mfr. Part No.3-2199250-3
HK$5,192.00
1 Tape of 4400
Tape(s)
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 3.2mm 3.2mm 3.45mm 1.5mm
RS Stock No. 172-0947
Mfr. Part No.2118708-2
HK$8.27
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. 172-0902
Mfr. Part No.2118715-2
HK$2.535
Each (In a Box of 100)
units
Steel - - Surface Mount Nickel Silver - 16.9 x 16.9 x 2mm 2mm 16.9mm 16.9mm
RS Stock No. 172-0934
Mfr. Part No.2118706-2
HK$5.28
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
RS Stock No. 123-5976
Mfr. Part No.2199248-5
HK$1.112
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. 123-5971
Mfr. Part No.3-2199250-3
HK$2.101
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
RS Stock No. 164-9392
Mfr. Part No.3-2199250-4
HK$3,960.90
1 Bag of 3000
Bag(s)
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 3.6mm 3.6mm 3.45mm 1.5mm