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. 122-3515
Mfr. Part No.S7061-46R
BrandHARWIN
HK$2.571
Each (On a Tape of 10)
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. 161-3599
Mfr. Part No.S02-20150300
BrandHARWIN
HK$2,205.19
Each
units
Copper Alloy S02 - Surface Mount - - 20 x 15 x 3mm 3mm 20mm 15mm
RS Stock No. 164-8330
Mfr. Part No.1447360-9
HK$8,824.00
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. 172-0937
Mfr. Part No.2118706-4
HK$7.93
Each (In a Pack of 5)
units
Aluminium - - Surface Mount Nickel Silver - 13.66 x 12.7 x 2.54mm 2.54mm 13.66mm 12.7mm
RS Stock No. 172-0968
Mfr. Part No.2118712-4
HK$32.13
Each
units
Aluminium - - Surface Mount Nickel Silver - 44.37 x 44.37 x 9.75mm 9.75mm 44.37mm 44.37mm
RS Stock No. 123-5977
Mfr. Part No.2199248-4
HK$1.112
Each (In a Pack of 10)
units
Stainless Steel - 2A Surface Mount Gold - 3.9 x 2 x 1mm 1mm 3.9mm 2mm
RS Stock No. 172-0915
Mfr. Part No.2118723-4
HK$9.564
Each (In a Box of 60)
units
Aluminium - - Surface Mount Nickel Silver - 37.33 x 34.18 x 2mm 2mm 37.33mm 34.18mm
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. 173-0841
Mfr. Part No.S1751-46R
BrandHARWIN
HK$0.924
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. 173-0860
Mfr. Part No.S7091-42R
BrandHARWIN
HK$1.10
Each (On a Reel of 2500)
units
Titanium Copper Alloy EZ-BoardWare 6A Surface Mount Gold - 4 x 2.5 x 2.7mm 2.7mm 4mm 2.5mm
RS Stock No. 164-9393
Mfr. Part No.3-2199250-5
HK$3,990.00
1 Bag of 3000
Bag(s)
Copper Alloy - 2A Surface Mount Gold - 3.45 x 1.5 x 3.8mm 3.8mm 3.45mm 1.5mm
RS Stock No. 172-0956
Mfr. Part No.2118711-2
HK$10.40
Each (In a Pack of 4)
units
Steel - - Surface Mount Nickel Silver - 36.83 x 33.68 x 5.08mm 5.08mm 36.83mm 33.68mm
RS Stock No. 172-0907
Mfr. Part No.2118718-2
HK$4.285
Each (On a Tape of 280)
units
Steel - - Surface Mount Nickel Silver - 26.21 x 26.21 x 5.08mm 5.08mm 26.21mm 26.21mm
RS Stock No. 161-3603
Mfr. Part No.S1001-46R
BrandHARWIN
HK$21,258.00
1 Reel of 20000
Reel(s)
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. 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. 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. 122-3518
Mfr. Part No.S7231-45R
BrandHARWIN
HK$1.774
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. 788-4814
Mfr. Part No.S1791-42R
BrandHARWIN
HK$1.844
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. 172-0897
Mfr. Part No.2118712-2
HK$12.439
Each (On a Tape of 90)
units
Steel - - Surface Mount Nickel Silver - 44.37 x 44.37 x 9.75mm 9.75mm 44.37mm 44.37mm
RS Stock No. 187-0928
Mfr. Part No.2336713-1
HK$0.35
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
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