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. 471-266
BrandRS PRO
$24.80
Each
units
Right Angle Female to Female 20 2 2.54mm Edge Mount - Gold over Nickel Phosphor Bronze 1A - 350 V Glass Fibre Reinforced PET -
RS Stock No. 162-1982
Mfr. Part No.10018783-10113TLF
$1.93
Each (In a Tray of 30)
units
Straight Female 164 2 2mm Through Hole Solder Gold over Nickel Copper Alloy - - - Nylon -
RS Stock No. 615-9530
Mfr. Part No.10018783-10113TLF
$2.38
Each (In a Pack of 5)
units
Straight Female 164 2 2mm Through Hole Solder Gold over Nickel Copper Alloy - - - Nylon -
RS Stock No. 164-2660
Mfr. Part No.7-5530843-5
$3.499
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. 718-8245
Mfr. Part No.7-5530843-5
$4.31
Each
units
Straight Female 12 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 400 V ac PET -
RS Stock No. 167-6478
Mfr. Part No.67910-0002
BrandMolex
$4.60
Each (On a Reel of 360)
units
Right Angle - 52 - 0.8mm Surface Mount Solder Gold - 1.1A Yes 50 V - 67910
RS Stock No. 896-7459
Mfr. Part No.67910-0002
BrandMolex
$6.11
Each
units
Right Angle - 52 - 0.8mm Surface Mount Solder Gold - 1.1A Yes 50 V - 67910
RS Stock No. 437-140
Mfr. Part No.TX24-120R-6ST-H1E
BrandJAE
$4.516
Each (In a Pack of 5)
units
Straight Female 120 2 2.54mm Through Hole Solder Gold over Nickel Copper Alloy 1A - 250 V ac PBT -
RS Stock No. 483-871
Mfr. Part No.BA000060000E000
BrandCinch
$16.74
Each
units
Straight - 44 2 3.96mm - Solder Gold over Nickel Brass 5A Yes - Glass Fibre Reinforced PET -
RS Stock No. 732-0184
Mfr. Part No.MM70-314-310B1-1-R300
BrandJAE
$11.50
Each
units
Straight Female 314 - 0.5mm - - Gold over Nickel Copper Alloy 500mA Yes - - MM70
RS Stock No. 767-7060
Mfr. Part No.PEC-03-02-T-S-LC
BrandSamtec
$5.10
Each
units
Straight Female 3 1 2.54mm Surface Mount Solder Tin over Nickel Beryllium Copper 9.8A - 250 V ac Liquid Crystal Polymer PEC
RS Stock No. 403-780
Mfr. Part No.50-36SNL-XTF
BrandCinch
$10.95
Each
units
Straight - 18 2 2.54mm PCB Mount Solder Gold over Nickel Brass 3A Yes - Glass Fibre Reinforced PET -
RS Stock No. 681-2238
Mfr. Part No.5530843-3
$4.60
Each
units
Straight Female 36 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 1 kV ac PET Standard Edge II
RS Stock No. 164-3446
Mfr. Part No.7-5530843-7
$1.84
Each (In a Box of 2664)
units
Straight Female 6 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 400 V Glass Fibre Reinforced PET 100 Series
RS Stock No. 797-2132
Mfr. Part No.7-5530843-7
$3.342
Each (In a Pack of 5)
units
Straight Female 6 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 400 V Glass Fibre Reinforced PET 100 Series
RS Stock No. 767-7032
Mfr. Part No.PCIE-064-02-F-D-RA
BrandSamtec
$10.63
Each
units
Right Angle Female 64 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 681-1711
Mfr. Part No.1-966194-3
$0.452
Each (In a Pack of 10)
units
Right Angle Female 3 1 2.5mm Cable Mount IDT Tin Phosphor Bronze - - - PBT -
RS Stock No. 163-9943
Mfr. Part No.1-966194-3
$0.266
Each (In a Box of 4480)
units
Right Angle Female 3 1 2.5mm Cable Mount IDT Tin Phosphor Bronze - - - PBT -
RS Stock No. 335-662
Mfr. Part No.45719-0002
BrandMolex
$20.12
Each
units
Straight Female 6 2 - Through Hole Solder Gold over Nickel Copper Alloy 40A - 250 V Liquid Crystal Polymer BUS BAR SOCKET EXTREME POWER-EDGE
RS Stock No. 165-0653
Mfr. Part No.5530843-3
$2.646
Each (In a Box of 540)
units
Straight Female 36 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 1 kV ac PET Standard Edge II
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