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. 179-8808
Mfr. Part No.HSEC8-120-01-SM-DV-A
BrandSamtec
€3.513
Each (In a Tray of 84)
units
Vertical Female 40 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 680-5258
Mfr. Part No.5120524-1
€5.91
Each
units
Straight Female 64 - 1mm Surface Mount Solder Gold over Nickel Phosphor Bronze 500mA - - Thermoplastic -
RS Stock No. 200-0379
Mfr. Part No.MEC1-120-02-L-D-NP-A-K-TR
BrandSamtec
€4.419
Each (On a Reel of 200)
units
Vertical Female - 1 1mm Surface Mount - - - 2.2A - - - MEC1
RS Stock No. 901-2207
Mfr. Part No.MEC2-20-01-L-DV-WT
BrandSamtec
€7.56
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. 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. 335-634
Mfr. Part No.45719-0006
BrandMolex
€11.47
Each
units
Straight Female 8 2 - Through Hole Solder Gold over Nickel Copper Alloy 40A - 250 V Liquid Crystal Polymer BUS BAR SOCKET EXTREME POWER-EDGE
RS Stock No. 200-0373
Mfr. Part No.MEC1-108-02-L-D-NP-A
BrandSamtec
€5.02
Each
units
Vertical Female - 1 1mm Surface Mount - - - 2.2A - - - MEC1
RS Stock No. 182-3009
Mfr. Part No.71609-317LF
€1.36
Each
units
- - - - - - - - - - - - - -
RS Stock No. 174-2020
Mfr. Part No.200890-0104
BrandMolex
€0.157
Each (In a Bag of 400)
units
Right Angle Female 4 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 859-9943
Mfr. Part No.89898-321LF
€4.25
Each
units
Straight Female 42 2 2.54mm Surface Mount Solder Gold over Nickel Phosphor Bronze 2 (Load) A, 3 A - - Glass Filled Thermoplastic -
RS Stock No. 859-9826
Mfr. Part No.71607-318LF
€2.355
Each (In a Pack of 10)
units
Right Angle Female 18 1 2.54mm Surface Mount Solder Gold over Nickel Phosphor Bronze 2 (Load) A, 3 A - - Glass Filled Nylon -
RS Stock No. 197-6744
Mfr. Part No.HSEC8-120-01-S-RA
BrandSamtec
€5.917
Each (In a Tray of 50)
units
Right Angle Female 20 1 0.8mm Surface Mount - - - 2.6A - - - HSEC8
RS Stock No. 182-2535
Mfr. Part No.10035388-802LF
€3.67
Each
units
- - - - - - - - - - - - - -
RS Stock No. 901-2099
Mfr. Part No.MEC1-130-02-L-D
BrandSamtec
€2.63
Each (In a Pack of 2)
units
Straight Female 60 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. 182-2795
Mfr. Part No.10058835-1001LF
€5.19
Each
units
- - - - - - - - - - - - - -
RS Stock No. 335-678
Mfr. Part No.45714-0001
BrandMolex
€8.72
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. 718-1361
Mfr. Part No.1-120534-1
€9.40
Each
units
Straight Male 64 2 16mm Surface Mount Solder Gold Phosphor Bronze 800mA - 250 V dc, 250 V ac Thermoplastic FH
RS Stock No. 158-5876
Mfr. Part No.HSEC8-140-01-S-DV-A
BrandSamtec
€3.987
Each (In a Bag of 56)
units
Vertical Female 80 2 0.8mm Surface Mount Solder Gold Beryllium Copper - - - Liquid Crystal Polymer HSEC8-PE
RS Stock No. 174-4974
Mfr. Part No.XS02
BrandAVX
€0.264
Each (In a Pack of 20)
units
Straight Male 6 2 2mm Surface Mount Solder Tin over Nickel Phosphor Bronze 3A Yes 300 V ac Nylon BTB
RS Stock No. 196-8093
Mfr. Part No.2340324-1
€7.238
Each (In a Tray of 32)
units
- Female 140 2 0.6mm - - - - 1.1A - - - Sliver
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