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
£11.20
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. 718-8245
Mfr. Part No.7-5530843-5
£2.09
Each
Units
Straight Female 12 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 400 V ac PET -
RS Stock No. 164-2660
Mfr. Part No.7-5530843-5
£1.682
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. 403-780
Mfr. Part No.50-36SNL-XTF
BrandCinch
£4.58
Each
Units
Straight - 18 2 2.54mm PCB Mount Solder Gold over Nickel Brass 3A Yes - Glass Fibre Reinforced PET -
RS Stock No. 483-865
Mfr. Part No.BA000070000E000
BrandCinch
£7.01
Each
Units
Straight - 18 2 3.96mm - Solder Gold over Nickel Brass 5A Yes - Glass Fibre Reinforced PET -
RS Stock No. 403-796
Mfr. Part No.50-31SNL-XTF
BrandCinch
£5.01
Each
Units
Straight - 31 2 2.54mm PCB Mount Solder Gold over Nickel Brass 3A Yes - Glass Fibre Reinforced PET -
RS Stock No. 797-2132
Mfr. Part No.7-5530843-7
£1.618
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. 164-3446
Mfr. Part No.7-5530843-7
£0.858
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. 483-871
Mfr. Part No.BA000060000E000
BrandCinch
£7.41
Each
Units
Straight - 44 2 3.96mm - Solder Gold over Nickel Brass 5A Yes - Glass Fibre Reinforced PET -
RS Stock No. 164-3618
Mfr. Part No.5-5530843-0
£0.931
Each (In a Box of 600)
Units
Straight - 10 - 2.54mm - Solder Gold over Nickel Phosphor Bronze 3A Yes - Glass Fibre Reinforced PET Standard Edge II
RS Stock No. 745-5842
Mfr. Part No.5-5530843-0
£1.44
Each
Units
Straight - 20 - 2.54mm - Solder Gold over Nickel Phosphor Bronze 3A Yes - Glass Fibre Reinforced PET Standard Edge II
RS Stock No. 121-0006
Mfr. Part No.3415-0001
Brand3M
£10.47
Each
Units
Right Angle Female 50 2 2.54mm Panel Mount IDT Gold over Nickel Copper Alloy 1A - - PBT 3000
RS Stock No. 162-1978
Mfr. Part No.10025026-10101TLF
£3.78
Each (In a Tray of 50)
Units
Straight Female 64 2 1mm Straddle Mount Solder Gold over Nickel Copper Alloy - - - Glass Fibre Reinforced Nylon -
RS Stock No. 720-3657
Mfr. Part No.10025026-10101TLF
£4.502
Each (In a Pack of 5)
Units
Straight Female 64 2 1mm Straddle Mount Solder Gold over Nickel Copper Alloy - - - Glass Fibre Reinforced Nylon -
RS Stock No. 164-3402
Mfr. Part No.583718-1
£1.664
Each (In a Box of 300)
Units
Straight Female 10 2 2.54mm PCB Mount Solder - - - - - PET 583718
RS Stock No. 793-6965
Mfr. Part No.583718-1
£2.40
Each
Units
Straight Female 10 2 2.54mm PCB Mount Solder - - - - - PET 583718
RS Stock No. 471-294
Mfr. Part No.586338040000909+
BrandPanduit
£8.23
Each
Units
- Male 40 - - Cable Mount - Gold - 1A - 350 V Glass Fibre Reinforced PET -
RS Stock No. 864-3526
Mfr. Part No.5645235-4
£1.701
Each (In a Pack of 540)
Units
Straight Female 18 (Dual) 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 400 V ac Glass Filled Polyester Standard Edge II
RS Stock No. 732-0193
Mfr. Part No.MM70-314-310B1-2-R300
BrandJAE
£6.16
Each
Units
Straight Female 310 - 0.5mm - - Gold over Nickel Copper Alloy 500mA Yes - - MM70
RS Stock No. 167-6478
Mfr. Part No.67910-0002
BrandMolex
£1.607
Each (On a Reel of 360)
Units
Right Angle - 52 - 0.8mm Surface Mount Solder Gold - 1.1A Yes 50 V - 67910