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. 720-3641
Mfr. Part No.10039755-10102TLF
€3.024
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. 159-2923
Mfr. Part No.MEC1-108-02-F-D-A
BrandSamtec
€4.62
Each
units
Straight Female 16 2 1mm Surface Mount Solder Gold Beryllium Copper - - - Liquid Crystal Polymer MEC1
RS Stock No. 180-2682
Mfr. Part No.HSEC8-120-01-L-DV-A-K-TR
BrandSamtec
€5.90
Each
units
Vertical Female 40 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 165-0974
Mfr. Part No.5650090-2
€2.136
Each (In a Box of 210)
units
Straight Female 90 2 1.27mm Through Hole Solder Gold over Nickel Phosphor Bronze 1A - 203 V ac Thermoplastic -
RS Stock No. 178-9562
Mfr. Part No.74540-0401
BrandMolex
€16.90
Each
units
Horizontal Female - - - - - - - - Yes - - -
RS Stock No. 864-3605
Mfr. Part No.6-5530843-5
€2.372
Each (In a Pack of 324)
units
Straight Female 31 (Dual) 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 400 V ac Glass Filled Polyester Standard Edge II
RS Stock No. 767-6828
Mfr. Part No.HSEC8-110-01-L-DV-A
BrandSamtec
€1.32
Each
units
Straight Female 20 2 0.8mm Surface Mount SMT Gold over Nickel Beryllium Copper 3.1A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 180-1443
Mfr. Part No.MEC1-120-02-S-D-A
BrandSamtec
€3.305
Each (In a Tube of 23)
units
Vertical Female 40 2 1mm Surface Mount Solder Gold Beryllium Copper 2.2A - 300 V ac Liquid Crystal Polymer MEC1
RS Stock No. 174-2035
Mfr. Part No.200890-0208
BrandMolex
€0.216
Each (In a Pack of 10)
units
Right Angle Female 8 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 197-6753
Mfr. Part No.HSEC8-140-01-S-D-EM2
BrandSamtec
€11.86
Each
units
Vertical Female 10 1 0.8mm Surface Mount - - - 2.8A - - - HSEC8
RS Stock No. 191-9981
Mfr. Part No.2199119-4
€0.577
Each (On a Tape of 1200)
units
Right Angle - 67 2 0.5mm PCB Mount SMT Gold Copper Alloy 500mA Yes - Thermoplastic M.2 NGFF
RS Stock No. 888-2538
Mfr. Part No.009159005001106
BrandAVX
€0.509
Each (In a Pack of 2250)
units
- - - - - - Surface Mount Tin Beryllium Copper 3A - 250 V ac Nylon 9159
RS Stock No. 162-1982
Mfr. Part No.10018783-10113TLF
€1.072
Each (In a Tray of 30)
units
Straight Female 164 2 2mm Through Hole Solder Gold over Nickel Copper Alloy - - - Nylon -
RS Stock No. 182-2896
Mfr. Part No.71609-317LF
€1.324
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. 821-2526
Mfr. Part No.1871058-4
€7.52
Each
units
Straight Male 164 2 1mm PCB Mount Solder Gold Copper Alloy 1.1A - 50 V ac Thermoplastic 187 Series
RS Stock No. 200-0382
Mfr. Part No.MEC1-130-02-F-D-A
BrandSamtec
€5.49
Each
units
Vertical Female - 1 1mm Surface Mount - - - 2.2A - - - MEC1
RS Stock No. 767-7048
Mfr. Part No.PCIE-098-02-F-D-RA
BrandSamtec
€7.24
Each
units
Right Angle Female 98 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 185-9871
Mfr. Part No.1775838-2
€0.78
Each (On a Tape of 10)
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. 196-8094
Mfr. Part No.2340324-1
€8.88
Each
units
- Female 140 2 0.6mm - - - - 1.1A - - - Sliver
RS Stock No. 901-2150
Mfr. Part No.MECF-05-01-L-DV
BrandSamtec
€5.06
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
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