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. 767-7076
Mfr. Part No.PEC-10-01-T-S
BrandSamtec
$7.54
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. 767-6831
Mfr. Part No.HSEC8-160-01-L-DV-A
BrandSamtec
$8.77
Each
units
Straight Female 120 2 0.8mm Surface Mount SMT Gold over Nickel Beryllium Copper 3.1A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 767-6828
Mfr. Part No.HSEC8-110-01-L-DV-A
BrandSamtec
$4.93
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. 901-2083
Mfr. Part No.MEC1-105-02-L-D
BrandSamtec
$7.12
Each (In a Pack of 2)
units
Straight Female 10 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
$3.90
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. 767-6825
Mfr. Part No.HSEC8-130-01-L-DV-A
BrandSamtec
$6.31
Each
units
Straight Female 60 2 0.8mm Surface Mount SMT Gold over Nickel Beryllium Copper 3.1A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 901-2172
Mfr. Part No.MEC2-05-02-L-DV-WT
BrandSamtec
$7.67
Each (In a Pack of 2)
units
Straight Female 10 2 2mm Surface Mount Solder Gold over Nickel, Tin over Nickel Beryllium Copper 3.5A Yes 238 V ac Liquid Crystal Polymer MEC2
RS Stock No. 901-2194
Mfr. Part No.MEC2-05-01-L-DV-WT
BrandSamtec
$7.615
Each (In a Pack of 2)
units
Straight Female 10 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. 767-6821
Mfr. Part No.HSEC8-120-01-L-DV-A
BrandSamtec
$7.41
Each
units
Straight Female 40 2 0.8mm Surface Mount SMT Gold over Nickel Beryllium Copper 3.1A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 901-2068
Mfr. Part No.MEC8-160-02-L-DV-A
BrandSamtec
$13.135
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. 901-2074
Mfr. Part No.MEC8-120-02-L-D-RA1
BrandSamtec
$10.47
Each (In a Pack of 2)
units
Right Angle Female 40 2 0.8mm Edge Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 2A - 265 V ac Liquid Crystal Polymer MEC8-RA
RS Stock No. 901-2116
Mfr. Part No.MEC1-120-02-L-D-RA1-SL
BrandSamtec
$11.825
Each (In a Pack of 2)
units
Right Angle Female 40 2 1mm Surface Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 1.6A - - Liquid Crystal Polymer MEC1-RA
RS Stock No. 901-2150
Mfr. Part No.MECF-05-01-L-DV
BrandSamtec
$6.775
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
RS Stock No. 767-7032
Mfr. Part No.PCIE-064-02-F-D-RA
BrandSamtec
$9.32
Each
units
Right Angle Female 64 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 158-5610
Mfr. Part No.PCIE-098-02-F-D-EMS2
BrandSamtec
$8.85
Each (In a Tube of 10)
units
Straight Female 98 2 1mm Edge Mount Solder Gold Phosphor Bronze 2.2A - - Liquid Crystal Polymer PCIE
RS Stock No. 901-2138
Mfr. Part No.MECF-05-02-L-DV-WT
BrandSamtec
$7.37
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 Liquid Crystal Polymer MECF
RS Stock No. 767-6887
Mfr. Part No.MB1-120-01-L-S-02-SL
BrandSamtec
$10.00
Each
units
Straight Female 20 1 1mm Surface Mount Solder Gold over Nickel Beryllium Copper - - - Liquid Crystal Polymer MB1
RS Stock No. 901-2207
Mfr. Part No.MEC2-20-01-L-DV-WT
BrandSamtec
$9.555
Each (In a Pack of 2)
units
Straight Female 40 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. 767-7036
Mfr. Part No.PCIE-064-02-F-D-TH
BrandSamtec
$4.08
Each
units
Straight Female 64 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 767-7045
Mfr. Part No.PCIE-098-02-F-D-EMS2
BrandSamtec
$9.99
Each
units
Straight Female 98 2 1mm Edge Mount Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE