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. 901-2204
Mfr. Part No.MEC2-08-01-L-DV-WT
BrandSamtec
£4.39
Each (In a Pack of 2)
Units
Straight Female 16 2 2mm Surface Mount Solder Gold over Nickel, Tin over Nickel Beryllium Copper 3.5A Yes 238 V ac Black Liquid Crystal Polymer MEC2
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. 681-2161
Mfr. Part No.5145154-4
£3.35
Each
Units
Straight Female 120 2 1.27mm Through Hole Solder Gold over Nickel Phosphor Bronze 1A - 203 V ac Thermoplastic -
RS Stock No. 767-7045
Mfr. Part No.PCIE-098-02-F-D-EMS2
BrandSamtec
£5.32
Each
Units
Straight Female 98 2 1mm Edge Mount Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 159-818
Mfr. Part No.MEC6-110-02-S-DV-A
BrandSamtec
£5.24
Each
Units
Straight Female 20 2 0.635mm Surface Mount Solder Gold over Nickel Phosphor Bronze - - - Liquid Crystal Polymer -
RS Stock No. 901-2033
Mfr. Part No.MEC6-130-02-L-D-RA1
BrandSamtec
£6.635
Each (In a Pack of 2)
Units
Right Angle Female 60 2 0.635mm Surface Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 1.7A - 195 V ac Liquid Crystal Polymer MEC6-RA
RS Stock No. 170-8833
Mfr. Part No.10025026-10103TLF
£0.717
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. 720-3635
Mfr. Part No.10061913-113TLF
£1.03
Each (In a Pack of 5)
Units
Straight Female 164 2 1mm Surface Mount Solder Gold over Nickel Copper Alloy - - - Glass Fibre Reinforced Nylon -
RS Stock No. 720-3669
Mfr. Part No.10025026-10103TLF
£0.896
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. 170-7254
Mfr. Part No.76691-1200
BrandMolex
£17.44
Each (In a Tray of 216)
Units
Straight Female 200 2 0.8mm Through Hole Press-In Gold over Nickel Copper Alloy 1.5A Yes 250 V ac Glass Fibre Reinforced Thermoplastic EDGELINE
RS Stock No. 767-7070
Mfr. Part No.PEC-10-02-T-S-LC
BrandSamtec
£3.74
Each
Units
Straight Female 10 1 2.54mm Surface Mount Solder Tin over Nickel Beryllium Copper 9.8A - 250 V ac Liquid Crystal Polymer PEC
RS Stock No. 732-0190
Mfr. Part No.MM70-314-310B2-2-R500
BrandJAE
£5.87
Each
Units
Straight Female 314 - 0.5mm Surface Mount - Gold over Nickel Copper Alloy 500mA Yes - - MM70
RS Stock No. 901-2122
Mfr. Part No.MEC1-150-02-L-D-RA1-SL
BrandSamtec
£8.20
Each
Units
Right Angle Female 100 2 1mm Surface Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 1.6A - - Liquid Crystal Polymer MEC1-RA
RS Stock No. 164-0052
Mfr. Part No.5120521-1
£2.717
Each (On a Reel of 650)
Units
Straight Female 64 - 1mm Surface Mount Solder Gold over Nickel Copper Alloy 500mA - 100 V ac Thermoplastic -
RS Stock No. 729-3164
Mfr. Part No.76691-1200
BrandMolex
£21.81
Each
Units
Straight Female 200 2 0.8mm Through Hole Press-In Gold over Nickel Copper Alloy 1.5A Yes 250 V ac Glass Fibre Reinforced Thermoplastic EDGELINE
RS Stock No. 680-5246
Mfr. Part No.5120521-1
£4.06
Each
Units
Straight Female 64 - 1mm Surface Mount Solder Gold over Nickel Copper Alloy 500mA - 100 V ac Thermoplastic -
RS Stock No. 859-9413
Mfr. Part No.89898-307LF
£1.43
Each (In a Pack of 10)
Units
Straight Female 14 2 2.54mm Surface Mount Solder Gold over Nickel Phosphor Bronze 2 (Load) A, 3 A - - Glass Filled Thermoplastic -
RS Stock No. 680-5255
Mfr. Part No.5120521-2
£4.83
Each
Units
Straight Female 84 - 1mm Surface Mount Solder Gold over Nickel Copper Alloy - - - Thermoplastic -
RS Stock No. 165-0620
Mfr. Part No.5120521-2
£3.212
Each (On a Reel of 650)
Units
Straight Female 84 - 1mm Surface Mount Solder Gold over Nickel Copper Alloy - - - Thermoplastic -
RS Stock No. 901-2119
Mfr. Part No.MEC1-105-02-L-D-RA1-SL
BrandSamtec
£5.055
Each (In a Pack of 2)
Units
Right Angle Female 10 2 1mm Surface Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 1.6A - - Liquid Crystal Polymer MEC1-RA
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