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庫存編號 173-0851
製造零件編號S1761-42R
BrandHARWIN
HK$1.519
個 (在毎卷:2000)
單位
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Gold - 4.5 x 2.5 x 3.5mm 3.5mm 4.5mm 2.5mm
RS庫存編號 788-4811
製造零件編號S1761-42R
BrandHARWIN
HK$4.038
/個 (每包:10個)
單位
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Gold - 4.5 x 2.5 x 3.5mm 3.5mm 4.5mm 2.5mm
RS庫存編號 122-3515
製造零件編號S7061-46R
BrandHARWIN
HK$3.695
Each (On a Tape of 10)
單位
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庫存編號 909-4473
製造零件編號S0971-46R
BrandHARWIN
HK$3.173
/個 (每包:10個)
單位
Stainless Steel - - Surface Mount - 100mΩ 5.92 x 1.1 x 2.1mm 2.1mm 5.92mm 1.1mm
RS庫存編號 161-3602
製造零件編號S0991-46R
BrandHARWIN
HK$0.856
個 (在毎卷:15000)
單位
Stainless Steel S0991 - Surface Mount Tin over Nickel - 6.5 x 0.9 x 1.38mm 1.38mm 6.5mm 0.9mm
RS庫存編號 122-3518
製造零件編號S7231-45R
BrandHARWIN
HK$2.783
Each (On a Tape of 10)
單位
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 2.5 x 1 x 1.28mm 1.28mm 2.5mm 1mm
RS庫存編號 161-3703
製造零件編號S0991-46R
BrandHARWIN
HK$2.597
/個 (每包:25個)
單位
Stainless Steel S0991 - Surface Mount Tin over Nickel - 6.5 x 0.9 x 1.38mm 1.38mm 6.5mm 0.9mm
RS庫存編號 173-0830
製造零件編號S1741-46R
BrandHARWIN
HK$0.99
個 (在毎卷:2500)
單位
Phosphor Bronze EZ-BoardWare 6A Surface Mount Tin over Nickel - 5.4 x 3.1 x 2.5mm 2.5mm 5.4mm 3.1mm
RS庫存編號 909-4477
製造零件編號S1761-46R
BrandHARWIN
HK$3.553
/個 (每包:10個)
單位
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Tin over Nickel - 4.5 x 2.5 x 3.5mm 3.5mm 4.5mm 2.5mm
RS庫存編號 788-4861
製造零件編號S7121-42R
BrandHARWIN
HK$2.597
/個 (每包:10個)
單位
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Gold - 2.7 x 1.5 x 1.7mm 1.7mm 2.7mm 1.5mm
RS庫存編號 173-0857
製造零件編號S7081-42R
BrandHARWIN
HK$1.10
個 (在毎卷:2500)
單位
- - - - - - - - - -
RS庫存編號 788-4874
製造零件編號S7111-42R
BrandHARWIN
HK$2.32
/個 (每包:10個)
單位
- - - - - - - - - -
RS庫存編號 122-3517
製造零件編號S7221-45R
BrandHARWIN
HK$2.783
Each (On a Tape of 10)
單位
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 2.6 x 1 x 1.23mm 1.23mm 2.6mm 1mm
RS庫存編號 788-4814
製造零件編號S1791-42R
BrandHARWIN
HK$3.901
/個 (每包:10個)
單位
Titanium Copper Alloy EZ-BoardWare 3A Surface Mount Gold - 7 x 2.05 x 4mm 4mm 7mm 2.05mm
RS庫存編號 161-3599
製造零件編號S02-20150300
BrandHARWIN
HK$2,205.19
單位
Copper Alloy S02 - Surface Mount - - 20 x 15 x 3mm 3mm 20mm 15mm
RS庫存編號 173-0848
製造零件編號S7221-45R
BrandHARWIN
HK$0.927
個 (在毎卷:10000)
單位
Titanium Copper Alloy EZ-BoardWare 1A Surface Mount Gold 50mΩ 2.6 x 1 x 1.23mm 1.23mm 2.6mm 1mm
RS庫存編號 173-0842
製造零件編號S1761-46R
BrandHARWIN
HK$1.372
個 (在毎卷:2000)
單位
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Tin over Nickel - 4.5 x 2.5 x 3.5mm 3.5mm 4.5mm 2.5mm
RS庫存編號 788-4868
製造零件編號S7061-42R
BrandHARWIN
HK$2.52
/個 (每包:10個)
單位
Titanium Copper Alloy EZ-BoardWare 4A Surface Mount Gold - 7 x 2.5 x 5.5mm 5.5mm 7mm 2.5mm
RS庫存編號 161-3603
製造零件編號S1001-46R
BrandHARWIN
HK$1.063
個 (在毎卷:20000)
單位
Stainless Steel S1001 - Surface Mount Tin over Nickel - 4.5 x 0.75 x 0.9mm 0.9mm 4.5mm 0.75mm
RS庫存編號 173-0875
製造零件編號S0971-46R
BrandHARWIN
HK$1.215
個 (在毎卷:5000)
單位
Stainless Steel - - Surface Mount - 100mΩ 5.92 x 1.1 x 2.1mm 2.1mm 5.92mm 1.1mm