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. 864-3822
Mfr. Part No.5145154-8
TWD101.00
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. 712-2526
Mfr. Part No.6123215-1
TWD353.00
Each
units
Straight Female 150 2 0.6mm Surface Mount Solder Gold over Nickel Copper Alloy - - - Liquid Crystal Polymer -
New
RS Stock No. 208-8697
Mfr. Part No.HSEC8-150-01-L-DV-A-K-TR
BrandSamtec
TWD189.50
Each (On a Tape of 2)
units
Vertical Female 100 2 0.8mm Surface Mount - - - 2.8A - - - HSEC8-150-01-L-DV-A-K-TR
RS Stock No. 767-6884
Mfr. Part No.MB1-120-01-L-S-01-SL
BrandSamtec
TWD206.00
Each
units
Straight Female 20 1 1mm Surface Mount Solder Gold over Nickel Beryllium Copper - - - Liquid Crystal Polymer MB1
New
RS Stock No. 208-8892
Mfr. Part No.MEC1-120-02-F-D-RA1-SL
BrandSamtec
TWD212.00
Each
units
Right Angle Female 40 2 1mm Surface Mount - - - 2.2A - - - MEC1
RS Stock No. 767-7073
Mfr. Part No.PEC-07-02-T-S-LC
BrandSamtec
TWD117.00
Each
units
Straight Female 7 1 2.54mm Surface Mount Solder Tin over Nickel Beryllium Copper 9.8A - 250 V ac Liquid Crystal Polymer PEC
RS Stock No. 174-2028
Mfr. Part No.200890-0102
BrandMolex
TWD10.30
Each (In a Pack of 10)
units
Right Angle Female 2 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 185-9259
Mfr. Part No.1775838-2
TWD20.30
Each (On a Tape of 500)
units
Right Angle Female 52 2 0.8mm Surface Mount Solder Gold, Nickel Copper Alloy 5A - 1.5 (DRAM) V Thermoplastic Mini PCI Express
RS Stock No. 732-0190
Mfr. Part No.MM70-314-310B2-2-R500
BrandJAE
TWD227.00
Each
units
Straight Female 314 - 0.5mm Surface Mount - Gold over Nickel Copper Alloy 500mA Yes - - MM70
RS Stock No. 718-1361
Mfr. Part No.1-120534-1
TWD351.00
Each
units
Straight Male 64 2 16mm Surface Mount Solder Gold Phosphor Bronze 800mA - 250 V ac, 250 V dc Thermoplastic FH
RS Stock No. 720-3653
Mfr. Part No.10025026-10100TLF
TWD157.80
Each (In a Pack of 5)
units
Straight Female 36 2 1mm Straddle Mount Solder Gold over Nickel Copper Alloy - - - Glass Fibre Reinforced Nylon -
RS Stock No. 901-2037
Mfr. Part No.MEC6-140-02-L-D-RA1
BrandSamtec
TWD315.00
Each
units
Right Angle Female 80 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. 767-7039
Mfr. Part No.PCIE-064-02-F-D-EMS2
BrandSamtec
TWD172.00
Each
units
Straight Female 64 2 1mm Edge Mount Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 200-0385
Mfr. Part No.MEC1-140-02-F-D-A
BrandSamtec
TWD229.00
Each
units
Vertical Female - 1 1mm Surface Mount - - - 2.2A - - - MEC1
RS Stock No. 197-6745
Mfr. Part No.HSEC8-120-01-S-RA
BrandSamtec
TWD275.00
Each
units
Right Angle Female 20 1 0.8mm Surface Mount - - - 2.6A - - - HSEC8
RS Stock No. 767-6897
Mfr. Part No.MB1-140-01-L-S-02-SL
BrandSamtec
TWD292.00
Each
units
Straight Female 40 1 1mm Surface Mount Solder Gold over Nickel Beryllium Copper - - - Liquid Crystal Polymer MB1
RS Stock No. 195-5997
Mfr. Part No.2338718-1
TWD550.00
Each
units
Vertical Female 140 2 0.6mm Surface Mount Solder - Copper Alloy 25A - 12 V LCP -
RS Stock No. 180-2626
Mfr. Part No.HSEC8-130-01-L-DV-A-K-TR
BrandSamtec
TWD169.00
Each
units
Vertical Female 60 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 197-6753
Mfr. Part No.HSEC8-140-01-S-D-EM2
BrandSamtec
TWD396.00
Each
units
Vertical Female 10 1 0.8mm Surface Mount - - - 2.8A - - - HSEC8
RS Stock No. 180-1789
Mfr. Part No.MEC1-120-02-F-D-A
BrandSamtec
TWD194.00
Each
units
Vertical Female 40 2 1mm Surface Mount Solder Gold Beryllium Copper 2.2A - 300 V ac Liquid Crystal Polymer MEC1