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. 167-6478
Mfr. Part No.67910-0002
BrandMolex
£1.607
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. 615-9518
Mfr. Part No.10018783-11110TLF
£0.578
Each (In a Pack of 5)
Units
Straight Female 36 2 2mm Through Hole Solder Gold over Nickel Copper Alloy - - - Nylon -
RS Stock No. 681-1711
Mfr. Part No.1-966194-3
£0.212
Each (In a Pack of 10)
Units
Right Angle Female 3 1 2.5mm Cable Mount IDT Tin Phosphor Bronze - - - PBT -
RS Stock No. 163-9943
Mfr. Part No.1-966194-3
£0.114
Each (In a Box of 4480)
Units
Right Angle Female 3 1 2.5mm Cable Mount IDT Tin Phosphor Bronze - - - PBT -
RS Stock No. 173-8647
Mfr. Part No.10018783-11110TLF
£0.436
Each (In a Tray of 70)
Units
Straight Female 36 2 2mm Through Hole Solder Gold over Nickel Copper Alloy - - - Nylon -
RS Stock No. 732-0184
Mfr. Part No.MM70-314-310B1-1-R300
BrandJAE
£5.98
Each
Units
Straight Female 314 - 0.5mm - - Gold over Nickel Copper Alloy 500mA Yes - - MM70
RS Stock No. 767-7076
Mfr. Part No.PEC-10-01-T-S
BrandSamtec
£2.20
Each
Units
Straight Female 10 1 2.54mm Through Hole Solder Tin over Nickel Beryllium Copper 9.8A - 250 V ac Liquid Crystal Polymer PEC
RS Stock No. 718-8255
Mfr. Part No.5650090-3
£1.51
Each
Units
Straight Female 80 2 1.27mm Through Hole Solder Gold over Nickel Phosphor Bronze 1A - 203 V ac Thermoplastic -
RS Stock No. 165-0653
Mfr. Part No.5530843-3
£1.21
Each (In a Box of 540)
Units
Straight Female 36 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 1 kV ac PET Standard Edge II
RS Stock No. 403-803
Mfr. Part No.50-52SNL-ATF
BrandCinch
£6.60
Each
Units
Straight - 49 2 2.54mm PCB Mount Solder Gold over Nickel Brass 3A Yes - Glass Fibre Reinforced PET -
RS Stock No. 681-2238
Mfr. Part No.5530843-3
£2.03
Each
Units
Straight Female 36 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 1 kV ac PET Standard Edge II
RS Stock No. 901-2055
Mfr. Part No.MEC8-140-02-L-DV-A
BrandSamtec
£5.84
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. 335-678
Mfr. Part No.45714-0001
BrandMolex
£7.52
Each
Units
Straight Female 4 2 2.5mm Through Hole Press-In Gold over Nickel Copper Alloy 40A - 250 V Liquid Crystal Polymer BUS BAR SOCKET EXTREME POWER-EDGE
RS Stock No. 167-1740
Mfr. Part No.45714-0001
BrandMolex
£6.06
Each (In a Tray of 935)
Units
Straight Female 4 2 2.5mm Through Hole Press-In Gold over Nickel Copper Alloy 40A - 250 V Liquid Crystal Polymer BUS BAR SOCKET EXTREME POWER-EDGE
RS Stock No. 767-7039
Mfr. Part No.PCIE-064-02-F-D-EMS2
BrandSamtec
£4.17
Each
Units
Straight Female 64 2 1mm Edge Mount Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 901-2096
Mfr. Part No.MEC1-120-02-L-D
BrandSamtec
£4.82
Each (In a Pack of 2)
Units
Straight Female 40 2 1mm Surface Mount Solder Gold over Nickel, Tin over Nickel Beryllium Copper 2.2A - 300 V ac Liquid Crystal Polymer MEC1
RS Stock No. 159-981
Mfr. Part No.MECT-110-01-M-D-RA1
BrandSamtec
£2.73
Each
Units
Right Angle Female 20 2 0.8mm Surface Mount Solder Gold over Nickel Phosphor Bronze - - 265 V ac Liquid Crystal Polymer -
RS Stock No. 767-6834
Mfr. Part No.HSEC8-140-01-L-DV-A
BrandSamtec
£4.03
Each
Units
Straight Female 80 2 0.8mm Surface Mount SMT Gold over Nickel Beryllium Copper 3.1A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 782-5112
Mfr. Part No.5530843-7
£2.49
Each
Units
Straight Male 15 1 4.85mm Through Hole Solder Gold Phosphor Bronze - - - Glass Fibre Reinforced Polyester 5530843
RS Stock No. 901-2150
Mfr. Part No.MECF-05-01-L-DV
BrandSamtec
£4.095
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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