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. 782-5121
Mfr. Part No.5530843-8
£3.73
Each
Units
Straight Male 20 1 4.85mm Through Hole Solder Gold Phosphor Bronze - - - Glass Fibre Reinforced Polyester 5530843
RS Stock No. 767-7064
Mfr. Part No.PEC-07-01-T-S
BrandSamtec
£2.49
Each
Units
Straight Female 7 1 2.54mm Through Hole Solder Tin over Nickel Beryllium Copper 9.8A - 250 V ac Liquid Crystal Polymer PEC
RS Stock No. 458-452
Mfr. Part No.16320301101000
BrandHARTING
£18.53
Each
Units
Right Angle Male 30 - - Through Hole Press-In - - - - - - -
RS Stock No. 901-2169
Mfr. Part No.MECF-08-01-L-DV
BrandSamtec
£4.375
Each (In a Pack of 2)
Units
Straight Female 16 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. 782-5115
Mfr. Part No.5530843-5
£2.53
Each
Units
Straight Male 25 1 4.85mm Through Hole Solder Gold Phosphor Bronze - - - Glass Fibre Reinforced Polyester 5530843
RS Stock No. 901-2175
Mfr. Part No.MECF-40-01-L-DV
BrandSamtec
£5.47
Each (In a Pack of 2)
Units
Straight Female 80 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. 335-662
Mfr. Part No.45719-0002
BrandMolex
£3.73
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. 767-7020
Mfr. Part No.PCIE-036-02-F-D-TH
BrandSamtec
£2.25
Each
Units
Straight Female 36 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 767-6910
Mfr. Part No.MEC1-130-02-L-D-A
BrandSamtec
£5.25
Each
Units
Straight Female 60 2 1mm Surface Mount Solder Gold over Nickel Beryllium Copper 2A - 300 V ac Liquid Crystal Polymer MEC1
RS Stock No. 680-5252
Mfr. Part No.5120527-1
£5.38
Each
Units
Straight Male 64 - 1mm Surface Mount Solder Gold over Nickel Copper Alloy 500mA - 100 V ac Liquid Crystal Polymer -
RS Stock No. 164-0054
Mfr. Part No.5120527-1
£3.67
Each (On a Reel of 400)
Units
Straight Male 64 - 1mm Surface Mount Solder Gold over Nickel Copper Alloy 500mA - 100 V ac Liquid Crystal Polymer -
RS Stock No. 167-1742
Mfr. Part No.45719-0002
BrandMolex
£3.63
Each (In a Tray of 680)
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. 718-8356
Mfr. Part No.5645169-2
£4.45
Each
Units
Straight Female 104 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 1 kV ac PET -
RS Stock No. 718-1367
Mfr. Part No.5146893-1
£1.99
Each
Units
Straight Female 64 - 1mm Surface Mount Solder Gold over Nickel Phosphor Bronze 500mA - - Thermoplastic -
RS Stock No. 864-3822
Mfr. Part No.5145154-8
£2.28
Each (In a Pack of 840)
Units
Straight Female 120 2 1.27mm Through Hole Solder Gold over Nickel Phosphor Bronze - - 203 V ac Thermoplastic 1.27
RS Stock No. 165-0621
Mfr. Part No.5145154-4
£2.689
Each (In a Box of 210)
Units
Straight Female 120 2 1.27mm Through Hole Solder Gold over Nickel Phosphor Bronze 1A - 203 V ac Thermoplastic -
RS Stock No. 901-2077
Mfr. Part No.MEC8-130-02-L-D-RA1
BrandSamtec
£6.43
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. 901-2125
Mfr. Part No.MEC1-130-02-L-D-RA1-SL
BrandSamtec
£6.25
Each (In a Pack of 2)
Units
Right Angle Female 60 2 1mm Surface Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 1.6A - - Liquid Crystal Polymer MEC1-RA
RS Stock No. 720-3641
Mfr. Part No.10039755-10102TLF
£2.676
Each (In a Pack of 5)
Units
Straight Female 98 2 1mm Through Hole Press-In Gold over Nickel Copper Alloy - - - Glass Fibre Reinforced Nylon -
RS Stock No. 767-7036
Mfr. Part No.PCIE-064-02-F-D-TH
BrandSamtec
£2.41
Each
Units
Straight Female 64 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
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