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. 693-4202
Mfr. Part No.AMC25DRSS
BrandSullins
MYR267.097
Each (In a Pack of 100)
units
Straight Female 50 2 2.54mm Side Mount Solder Gold over Nickel Beryllium Copper 30A Yes 600 V dc PPS -
RS Stock No. 173-8647
Mfr. Part No.10018783-11110TLF
MYR2.531
Each (In a Tray of 70)
units
Straight Female 36 2 2mm Through Hole Solder Gold over Nickel Copper Alloy - - - Nylon -
RS Stock No. 483-871
Mfr. Part No.BA000060000E000
BrandCinch
MYR52.77
Each
units
Straight - 44 2 3.96mm - Solder Gold over Nickel Brass 5A Yes - Glass Fibre Reinforced PET -
RS Stock No. 615-9518
Mfr. Part No.10018783-11110TLF
MYR3.192
Each (In a Pack of 5)
units
Straight Female 36 2 2mm Through Hole Solder Gold over Nickel Copper Alloy - - - Nylon -
RS Stock No. 403-796
Mfr. Part No.50-31SNL-XTF
BrandCinch
MYR35.68
Each
units
Straight - 31 2 2.54mm PCB Mount Solder Gold over Nickel Brass 3A Yes - Glass Fibre Reinforced PET -
RS Stock No. 896-7459
Mfr. Part No.67910-0002
BrandMolex
MYR17.38
Each
units
Right Angle - 52 - 0.8mm Surface Mount Solder Gold - 1.1A Yes 50 V - 67910
RS Stock No. 167-6478
Mfr. Part No.67910-0002
BrandMolex
MYR12.17
Each (On a Reel of 360)
units
Right Angle - 52 - 0.8mm Surface Mount Solder Gold - 1.1A Yes 50 V - 67910
RS Stock No. 767-7070
Mfr. Part No.PEC-10-02-T-S-LC
BrandSamtec
MYR22.79
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. 164-0584
Mfr. Part No.1-120534-1
MYR43.859
Each (On a Tape of 400)
units
Straight Male 64 2 16mm Surface Mount Solder Gold Phosphor Bronze 800mA - 250 V ac, 250 V dc Thermoplastic FH
RS Stock No. 718-1361
Mfr. Part No.1-120534-1
MYR59.25
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. 864-3611
Mfr. Part No.7-5530843-0
MYR11.603
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. 767-7048
Mfr. Part No.PCIE-098-02-F-D-RA
BrandSamtec
MYR34.72
Each
units
Right Angle Female 98 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 901-2068
Mfr. Part No.MEC8-160-02-L-DV-A
BrandSamtec
MYR40.595
Each (In a Pack of 2)
units
Vertical Female 120 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. 782-5112
Mfr. Part No.5530843-7
MYR14.58
Each
units
Straight Male 15 1 4.85mm Through Hole Solder Gold Phosphor Bronze - - - Glass Fibre Reinforced Polyester 5530843
RS Stock No. 718-8264
Mfr. Part No.5650090-2
MYR15.63
Each
units
Straight Female 90 2 1.27mm Through Hole Solder Gold over Nickel Phosphor Bronze 1A - 203 V ac Thermoplastic -
RS Stock No. 767-7036
Mfr. Part No.PCIE-064-02-F-D-TH
BrandSamtec
MYR8.50
Each
units
Straight Female 64 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 483-865
Mfr. Part No.BA000070000E000
BrandCinch
MYR49.92
Each
units
Straight - 18 2 3.96mm - Solder Gold over Nickel Brass 5A Yes - Glass Fibre Reinforced PET -
RS Stock No. 165-0974
Mfr. Part No.5650090-2
MYR12.474
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. 767-7073
Mfr. Part No.PEC-07-02-T-S-LC
BrandSamtec
MYR20.19
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. 827-7497
Mfr. Part No.3415-0000
Brand3M
MYR39.585
Each (In a Pack of 500)
units
Right Angle Female 50 2 2.54mm Through Hole IDC Gold Copper Alloy 1A Yes - PBT 3000