Edge Connectors

An edge connector or card edge connector is a female socket which mates directly with the edge part of single or double-sided PCB (Printed Circuit Board). The edge of the PCB has metallic tracks on it that engage with the contacts in the socket to provide an external electrical connection. In this way, the edge of the PCB acts as a male connector. The connector is held in place by the friction between the board and the socket


Features of an Edge Connector



  • Housings: The female edge connector consists of a plastic housing which has an opening on one side into which the edge of the PCB is inserted. Edge connector socket housings are often keyed to ensure that they are used the right way up preventing assembly error. Notches or bumps on the housing help to prevent an incorrect device from being inserted

  • Contacts: Inside the edge connector housing are contacts which connect with the metal traces on the edge of the PCB on insertion. The contacts are made of metal with a thin metallic plating that improves conductivity and prevents rust and corrosion

  • Termination Types: Edge connectors with IDC contacts can be terminated directly onto ribbon cable. Edge connectors with pins are soldered onto a PCB.

Variations


Edge connectors vary in terms of the following:



  • Rows: Edge connectors are available with one or 2 rows of contacts
  • Pitch: Edge connectors are available with a range of contact pitches
  • Number of Contacts: Edge connectors are available with different numbers of contacts
  • Orientation: Edge connectors are available with a vertical or right angle mounting orientation.

Where are edge connectors used?


Edge connectors are commonly used in personal computers for connecting expansion cards or daughtercards and computer memory to the motherboard. These expansion cards include PCI, PCI Express and AGP cards


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Description Price Body Orientation Gender Number of Contacts Number of Rows Pitch Mounting Type Termination Method Contact Plating Contact Material Current Rating Keying Way Voltage Rating Housing Material Series
RS Stock No. 403-803
Mfr. Part No.50-52SNL-ATF
BrandCinch
HK$86.96
Each
units
Straight - 49 2 2.54mm PCB Mount Solder Gold over Nickel Brass 3A Yes - Glass Fibre Reinforced PET -
RS Stock No. 163-9943
Mfr. Part No.1-966194-3
HK$1.699
Each (In a Box of 4480)
units
Right Angle Female 3 1 2.5mm Cable Mount IDT Tin Phosphor Bronze - - - PBT -
RS Stock No. 681-1711
Mfr. Part No.1-966194-3
HK$3.244
Each (In a Pack of 10)
units
Right Angle Female 3 1 2.5mm Cable Mount IDT Tin Phosphor Bronze - - - PBT -
RS Stock No. 680-5255
Mfr. Part No.5120521-2
HK$71.87
Each
units
Straight Female 84 - 1mm Surface Mount Solder Gold over Nickel Copper Alloy - - - Thermoplastic -
RS Stock No. 165-0620
Mfr. Part No.5120521-2
HK$47.824
Each (On a Reel of 650)
units
Straight Female 84 - 1mm Surface Mount Solder Gold over Nickel Copper Alloy - - - Thermoplastic -
RS Stock No. 767-7042
Mfr. Part No.PCIE-098-02-F-D-TH
BrandSamtec
HK$32.92
Each
units
Straight Female 98 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 901-2033
Mfr. Part No.MEC6-130-02-L-D-RA1
BrandSamtec
HK$109.35
Each (In a Pack of 2)
units
Right Angle Female 60 2 0.635mm Surface Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 1.7A - 195 V ac Liquid Crystal Polymer MEC6-RA
RS Stock No. 901-2074
Mfr. Part No.MEC8-120-02-L-D-RA1
BrandSamtec
HK$93.10
Each (In a Pack of 2)
units
Right Angle Female 40 2 0.8mm Edge Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 2A - 265 V ac Liquid Crystal Polymer MEC8-RA
RS Stock No. 859-9599
Mfr. Part No.89898-312LF
HK$26.857
Each (In a Pack of 10)
units
Straight Female 24 2 2.54mm Surface Mount Solder Gold over Nickel Phosphor Bronze 2 (Load) A, 3 A - - Glass Filled Thermoplastic -
RS Stock No. 159-981
Mfr. Part No.MECT-110-01-M-D-RA1
BrandSamtec
HK$27.77
Each
units
Right Angle Female 20 2 0.8mm Surface Mount Solder Gold over Nickel Phosphor Bronze - - 265 V ac Liquid Crystal Polymer -
RS Stock No. 885-9232
Mfr. Part No.50-44B-10
HK$186.23
Each
units
- - - - - - - - - - - - - -
RS Stock No. 197-6737
Mfr. Part No.HSEC8-110-01-L-RA
BrandSamtec
HK$79.461
Each (In a Tray of 50)
units
Right Angle Female 10 1 0.8mm Surface Mount - - - 2.6A - - - HSEC8
RS Stock No. 164-2660
Mfr. Part No.7-5530843-5
HK$24.332
Each (In a Tube of 24)
units
Straight Female 12 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 400 V ac PET -
RS Stock No. 767-7036
Mfr. Part No.PCIE-064-02-F-D-TH
BrandSamtec
HK$26.86
Each
units
Straight Female 64 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 200-0390
Mfr. Part No.MEC2-08-01-L-DV
BrandSamtec
HK$44.533
Each (In a Tube of 29)
units
Vertical Female - 1 2mm Through Hole - - - 4.9A - - - MEC2
RS Stock No. 197-6747
Mfr. Part No.HSEC8-125-01-L-DV-A
BrandSamtec
HK$56.35
Each
units
Vertical Female 10 1 0.8mm Surface Mount - - - 2.8A - - - HSEC8
RS Stock No. 732-0196
Mfr. Part No.MM70-314-310B2-1-R500
BrandJAE
HK$68.64
Each
units
Straight Female 314 - 0.5mm Surface Mount - Gold over Nickel Copper Alloy 500mA Yes - - MM70
RS Stock No. 182-2224
Mfr. Part No.10035388-802LF
HK$65.832
Each (In a Tray of 210)
units
Right Angle Female 34 2 2.54mm Through Hole Solder Gold over Nickel Copper Alloy 7A - 1 kV ac - -
RS Stock No. 901-2077
Mfr. Part No.MEC8-130-02-L-D-RA1
BrandSamtec
HK$101.28
Each (In a Pack of 2)
units
Right Angle Female 60 2 0.8mm Edge Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 2A - 265 V ac Liquid Crystal Polymer MEC8-RA
RS Stock No. 483-865
Mfr. Part No.BA000070000E000
BrandCinch
HK$92.37
Each
units
Straight - 18 2 3.96mm - Solder Gold over Nickel Brass 5A Yes - Glass Fibre Reinforced PET -