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
New
RS Stock No. 208-5781
Mfr. Part No.ZA8-40-2-1.00-Z-10
BrandSamtec
TWD1,001.60
Each (In a Tray of 30)
units
Straight Male 400 10 0.8mm - - - - 0.8A - - - ZA8-40-2-1.00-Z-10
RS Stock No. 159-2923
Mfr. Part No.MEC1-108-02-F-D-A
BrandSamtec
TWD159.00
Each
units
Straight Female 16 2 1mm Surface Mount Solder Gold Beryllium Copper - - - Liquid Crystal Polymer MEC1
RS Stock No. 767-6907
Mfr. Part No.MB1-150-01-L-S-01-SL
BrandSamtec
TWD477.00
Each
units
Straight Female 50 1 1mm Surface Mount Solder Gold over Nickel Beryllium Copper - - - Liquid Crystal Polymer MB1
RS Stock No. 180-4605
Mfr. Part No.HSEC8-160-01-L-DV-A-BL
BrandSamtec
TWD228.20
Each (In a Tray of 42)
units
Vertical Female 120 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 180-2615
Mfr. Part No.HSEC8-150-01-S-DV-A-K-TR
BrandSamtec
TWD217.00
Each
units
Vertical Female 100 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 164-0841
Mfr. Part No.5120525-1
TWD127.90
Each (On a Reel of 500)
units
Straight Male 64 - 1mm Surface Mount Solder Gold over Nickel Phosphor Bronze 1A - - Liquid Crystal Polymer -
RS Stock No. 180-2635
Mfr. Part No.HSEC8-110-01-L-DV-A-K-TR
BrandSamtec
TWD126.00
Each
units
Vertical Female 20 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 729-3173
Mfr. Part No.76693-2294
BrandMolex
TWD1,174.00
Each
units
Straight Female 294 2 0.8mm Through Hole Press-In Gold over Nickel Copper Alloy 1.5A Yes 250 V ac Glass Fibre Reinforced Thermoplastic EDGELINE
RS Stock No. 335-678
Mfr. Part No.45714-0001
BrandMolex
TWD333.00
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. 767-6828
Mfr. Part No.HSEC8-110-01-L-DV-A
BrandSamtec
TWD113.00
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. 195-5999
Mfr. Part No.2344604-1
TWD215.00
Each
units
Vertical Female 6 2 2.65mm Through Hole Solder - Copper Alloy 55A - 12 V LCP -
New
RS Stock No. 208-8899
Mfr. Part No.MEC6-120-02-L-DV-A-K-TR
BrandSamtec
TWD223.00
Each (On a Tape of 2)
units
Vertical Female 40 2 0.635mm Surface Mount - - - 2.4A - - - MEC6
RS Stock No. 197-6751
Mfr. Part No.HSEC8-130-01-S-RA
BrandSamtec
TWD298.00
Each
units
Right Angle Female 30 1 0.8mm Surface Mount - - - 2.6A - - - HSEC8
RS Stock No. 712-2526
Mfr. Part No.6123215-1
TWD360.00
Each
units
Straight Female 150 2 0.6mm Surface Mount Solder Gold over Nickel Copper Alloy - - - Liquid Crystal Polymer -
RS Stock No. 901-2122
Mfr. Part No.MEC1-150-02-L-D-RA1-SL
BrandSamtec
TWD411.00
Each
units
Right Angle Female 100 2 1mm Surface Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 1.6A - - Liquid Crystal Polymer MEC1-RA
RS Stock No. 174-2032
Mfr. Part No.200890-0202
BrandMolex
TWD10.80
Each (In a Pack of 10)
units
Right Angle Female 2 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 767-7060
Mfr. Part No.PEC-03-02-T-S-LC
BrandSamtec
TWD115.00
Each
units
Straight Female 3 1 2.54mm Surface Mount Solder Tin over Nickel Beryllium Copper 9.8A - 250 V ac Liquid Crystal Polymer PEC
RS Stock No. 200-0403
Mfr. Part No.MEC8-125-02-L-D-RA1
BrandSamtec
TWD215.60
Each (In a Tray of 90)
units
Right Angle Female - 1 0.88 Surface Mount - - - 2.4A - - - MEC8-RA1
New
RS Stock No. 195-5990
Mfr. Part No.2327672-3
TWD217.00
Each
units
Right Angle Female 56 2 0.6mm Surface Mount Solder - Copper Alloy 1.1A - - LCP -
RS Stock No. 196-8091
Mfr. Part No.2340326-1
TWD214.00
Each
units
- Female 84 2 0.6mm - - - - 1.1A - - - Sliver