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. 901-2055
Mfr. Part No.MEC8-140-02-L-DV-A
BrandSamtec
TWD251.00
Each (In a Pack of 2)
units
Vertical Female 80 2 0.8mm Surface Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 1.8A - 185 V ac Liquid Crystal Polymer MEC8-DV
RS Stock No. 901-2071
Mfr. Part No.MEC8-140-02-L-D-RA1
BrandSamtec
TWD291.00
Each (In a Pack of 2)
units
Right Angle Female 80 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. 901-2169
Mfr. Part No.MECF-08-01-L-DV
BrandSamtec
TWD160.50
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
New
RS Stock No. 208-8682
Mfr. Part No.HSEC8-120-01-L-DV-A-PE-K-TR
BrandSamtec
TWD132.70
Each (On a Reel of 275)
units
Vertical Female 40 2 0.8mm Surface Mount - - - 2.8A - - - HSEC8-120-01-L-DV-A-PE-K-TR
RS Stock No. 901-2052
Mfr. Part No.MEC8-130-02-L-DV-A
BrandSamtec
TWD221.00
Each (In a Pack of 2)
units
Vertical Female 60 2 0.8mm Surface Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 1.8A - 185 V ac Liquid Crystal Polymer MEC8-DV
RS Stock No. 335-599
Mfr. Part No.45719-0009
BrandMolex
TWD456.00
Each
units
Straight Female 8 2 - Through Hole Solder Gold over Nickel Copper Alloy 40A - 250 V Liquid Crystal Polymer BUS BAR SOCKET EXTREME POWER-EDGE
RS Stock No. 167-1748
Mfr. Part No.45719-0006
BrandMolex
TWD528.40
Each (In a Tray of 510)
units
Straight Female 8 2 - Through Hole Solder Gold over Nickel Copper Alloy 40A - 250 V Liquid Crystal Polymer BUS BAR SOCKET EXTREME POWER-EDGE
RS Stock No. 885-9217
Mfr. Part No.50-22A-20
TWD433.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 885-9213
Mfr. Part No.50-15A-20
TWD320.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 745-5842
Mfr. Part No.5-5530843-0
TWD59.00
Each
units
Straight - 20 - 2.54mm - Solder Gold over Nickel Phosphor Bronze 3A Yes - Glass Fibre Reinforced PET Standard Edge II
RS Stock No. 901-2162
Mfr. Part No.MECF-20-01-L-DV
BrandSamtec
TWD200.50
Each (In a Pack of 2)
units
Straight Female 40 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. 901-2150
Mfr. Part No.MECF-05-01-L-DV
BrandSamtec
TWD150.50
Each (In a Pack of 2)
units
Straight Female 10 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. 2508978305
Mfr. Part No.R644-3F
BrandVector
TWD628.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 2508980724
Mfr. Part No.R636-2
BrandVector
TWD1,142.00
Each
units
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