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. 179-9178
Mfr. Part No.HSEC8-110-01-SM-DV-A
BrandSamtec
€4.00
Each
units
Vertical Female 20 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 180-2451
Mfr. Part No.HSEC8-140-01-S-DV-A-K-TR
BrandSamtec
€2.296
Each (On a Reel of 275)
units
Vertical Female 80 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 718-8365
Mfr. Part No.5645169-3
€6.04
Each
units
Straight Female 104 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 1 kV ac PET -
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. 718-8352
Mfr. Part No.5145098-1
€5.71
Each
units
Straight Female 120 2 1.27mm Surface Mount Solder Gold over Nickel Phosphor Bronze - - - Thermoplastic -
RS Stock No. 164-0052
Mfr. Part No.5120521-1
€3.07
Each (On a Reel of 650)
units
Straight Female 64 - 1mm Surface Mount Solder Gold over Nickel Copper Alloy 500mA - 100 V ac Thermoplastic -
RS Stock No. 179-8809
Mfr. Part No.HSEC8-120-01-S-DV-A
BrandSamtec
€3.318
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. 767-6887
Mfr. Part No.MB1-120-01-L-S-02-SL
BrandSamtec
€5.74
Each
units
Straight Female 20 1 1mm Surface Mount Solder Gold over Nickel Beryllium Copper - - - Liquid Crystal Polymer MB1
RS Stock No. 615-9530
Mfr. Part No.10018783-10113TLF
€1.258
Each (In a Pack of 5)
units
Straight Female 164 2 2mm Through Hole Solder Gold over Nickel Copper Alloy - - - Nylon -
RS Stock No. 901-2011
Mfr. Part No.MEC6-140-02-L-DV-A
BrandSamtec
€6.665
Each (In a Pack of 2)
units
Vertical Female 80 2 0.635mm Surface Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 1.7A - 210 V ac Liquid Crystal Polymer MEC6-DV
RS Stock No. 767-6831
Mfr. Part No.HSEC8-160-01-L-DV-A
BrandSamtec
€5.50
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. 200-0380
Mfr. Part No.MEC1-120-02-L-D-NP-A-K-TR
BrandSamtec
€6.24
Each
units
Vertical Female - 1 1mm Surface Mount - - - 2.2A - - - MEC1
RS Stock No. 767-6834
Mfr. Part No.HSEC8-140-01-L-DV-A
BrandSamtec
€4.55
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. 197-6743
Mfr. Part No.HSEC8-110-01-S-DV-A-K
BrandSamtec
€3.75
Each
units
Vertical Female 10 1 0.8mm Surface Mount - - - 2.8A - - - HSEC8
RS Stock No. 793-6965
Mfr. Part No.583718-1
€2.73
Each
units
Straight Female 10 2 2.54mm PCB Mount Solder - - - - - PET 583718
RS Stock No. 179-9045
Mfr. Part No.HSEC8-120-01-S-DV-A
BrandSamtec
€4.70
Each
units
Vertical Female 40 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 167-1742
Mfr. Part No.45719-0002
BrandMolex
€3.871
Each (In a Tray of 680)
units
Straight Female 6 2 - Through Hole Solder Gold over Nickel Copper Alloy 40A - 250 V Liquid Crystal Polymer BUS BAR SOCKET EXTREME POWER-EDGE
RS Stock No. 180-1437
Mfr. Part No.MEC1-120-02-F-D-A
BrandSamtec
€5.229
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. 200-0413
Mfr. Part No.MECT-110-01-MM-D-RA1
BrandSamtec
€2.355
Each (In a Pack of 2)
units
Vertical - 10 2 0.88 - - - - 2A - - - MECT
RS Stock No. 901-2077
Mfr. Part No.MEC8-130-02-L-D-RA1
BrandSamtec
€7.335
Each (In a Pack of 2)
units
Right Angle Female 60 2 0.8mm Edge Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 2A - 265 V ac Liquid Crystal Polymer MEC8-RA
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