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. 335-640
Mfr. Part No.45719-0004
BrandMolex
TWD360.00
Each
units
Straight Female 4 2 - Through Hole Solder Gold over Nickel Copper Alloy 40A - 250 V Liquid Crystal Polymer BUS BAR SOCKET EXTREME POWER-EDGE
RS Stock No. 162-1982
Mfr. Part No.10018783-10113TLF
TWD37.70
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
TWD46.40
Each (In a Pack of 5)
units
Straight Female 164 2 2mm Through Hole Solder Gold over Nickel Copper Alloy - - - Nylon -
RS Stock No. 720-3669
Mfr. Part No.10025026-10103TLF
TWD157.80
Each (In a Pack of 5)
units
Straight Female 164 2 1mm Straddle Mount Solder Gold over Nickel Copper Alloy - - - Glass Fibre Reinforced Nylon -
RS Stock No. 170-8833
Mfr. Part No.10025026-10103TLF
TWD138.80
Each (In a Tray of 30)
units
Straight Female 164 2 1mm Straddle Mount Solder Gold over Nickel Copper Alloy - - - Glass Fibre Reinforced Nylon -
RS Stock No. 864-3361
Mfr. Part No.1651929-1
TWD222.80
Each (In a Pack of 96)
units
Straight Female 30 2 2.5mm Through Hole Solder Gold over Nickel Copper Alloy 25A - 250 V ac Glass Filled Polyester -
RS Stock No. 767-7058
Mfr. Part No.PCIE-164-02-F-D-TH
BrandSamtec
TWD120.00
Each
units
Straight Female 164 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 158-5610
Mfr. Part No.PCIE-098-02-F-D-EMS2
BrandSamtec
TWD196.40
Each (In a Tube of 10)
units
Straight Female 98 2 1mm Edge Mount Solder Gold Phosphor Bronze 2.2A - - Liquid Crystal Polymer PCIE
RS Stock No. 901-2172
Mfr. Part No.MEC2-05-02-L-DV-WT
BrandSamtec
TWD152.50
Each (In a Pack of 2)
units
Straight Female 10 2 2mm Surface Mount Solder Gold over Nickel, Tin over Nickel Beryllium Copper 3.5A Yes 238 V ac Liquid Crystal Polymer MEC2
RS Stock No. 164-3402
Mfr. Part No.583718-1
TWD62.50
Each (In a Box of 300)
units
Straight Female 10 2 2.54mm PCB Mount Solder - - - - - PET 583718
RS Stock No. 164-3619
Mfr. Part No.5-5530843-3
TWD53.20
Each (In a Box of 594)
units
Straight - 17 - 2.54mm - Solder Gold over Nickel Phosphor Bronze 3A Yes - Glass Fibre Reinforced PET Standard Edge II
RS Stock No. 767-7036
Mfr. Part No.PCIE-064-02-F-D-TH
BrandSamtec
TWD75.00
Each
units
Straight Female 64 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 901-2166
Mfr. Part No.MECF-30-01-L-DV
BrandSamtec
TWD209.50
Each (In a Pack of 2)
units
Straight Female 60 2 1.27mm Surface Mount Solder Gold over Nickel, Tin over Nickel Beryllium Copper 3.5A Yes 280 V ac Black Liquid Crystal Polymer MECF
RS Stock No. 182-2896
Mfr. Part No.71609-317LF
TWD123.80
Each (In a Tube of 156)
units
Right Angle Female 34 2 2.54mm Surface Mount Solder Gold Phosphor Bronze 3A - 1 kV ac Glass Filled Thermoplastic Dubox
RS Stock No. 896-7459
Mfr. Part No.67910-0002
BrandMolex
TWD121.00
Each
units
Right Angle - 52 - 0.8mm Surface Mount Solder Gold - 1.1A Yes 50 V - 67910
RS Stock No. 159-818
Mfr. Part No.MEC6-110-02-S-DV-A
BrandSamtec
TWD218.00
Each
units
Straight Female 20 2 0.635mm Surface Mount Solder Gold over Nickel Phosphor Bronze - - - Liquid Crystal Polymer -
RS Stock No. 885-9254
Mfr. Part No.50-44SN-9
TWD299.00
Each
units
- Male - - - - Solder Gold Spring Brass - - - - -
RS Stock No. 767-7032
Mfr. Part No.PCIE-064-02-F-D-RA
BrandSamtec
TWD214.00
Each
units
Right Angle Female 64 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 745-5520
Mfr. Part No.5-5530843-3
TWD78.00
Each
units
Straight - 17 - 2.54mm - Solder Gold over Nickel Phosphor Bronze 3A Yes - Glass Fibre Reinforced PET Standard Edge II
RS Stock No. 458-452
Mfr. Part No.16320301101000
BrandHARTING
TWD811.00
Each
units
Right Angle Male 30 - - Through Hole Press-In - - - - - - -