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. 195-5985
Mfr. Part No.2327678-3
£6.47
Each
Units
Vertical Female 84 2 0.6mm Surface Mount Solder - Copper Alloy 1.1A - - LCP -
RS Stock No. 200-0403
Mfr. Part No.MEC8-125-02-L-D-RA1
BrandSamtec
£4.939
Each (In a Tray of 90)
Units
Right Angle Female - 1 0.88 Surface Mount - - - 2.4A - - - MEC8-RA1
RS Stock No. 180-3595
Mfr. Part No.MEC1-130-02-S-D-A
BrandSamtec
£6.634
Each (In a Tube of 16)
Units
Vertical Female 60 2 1mm Surface Mount Solder Gold Beryllium Copper 2.2A - 300 V ac Liquid Crystal Polymer MEC1
RS Stock No. 179-9116
Mfr. Part No.HSEC8-120-01-SM-DV-A
BrandSamtec
£3.62
Each
Units
Vertical Female 40 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 159-2499
Mfr. Part No.HSEC8-140-01-S-DV-A-K
BrandSamtec
£4.54
Each
Units
Vertical Female 80 2 0.8mm Surface Mount Solder Gold Beryllium Copper - - - Liquid Crystal Polymer HSEC8-PE
RS Stock No. 158-7582
Mfr. Part No.MEC8-110-02-L-DV
BrandSamtec
£4.41
Each
Units
Vertical Female 20 2 0.8mm Edge Mount Solder Gold Phosphor Bronze 1.8A - 185 V ac Liquid Crystal Polymer MEC8-DV
RS Stock No. 732-0196
Mfr. Part No.MM70-314-310B2-1-R500
BrandJAE
£5.47
Each
Units
Straight Female 314 - 0.5mm Surface Mount - Gold over Nickel Copper Alloy 500mA Yes - - MM70
RS Stock No. 197-6749
Mfr. Part No.HSEC8-125-01-S-DV-A
BrandSamtec
£3.89
Each
Units
Vertical Female 10 1 0.8mm Surface Mount - - - 2.8A - - - HSEC8
RS Stock No. 186-4885
Mfr. Part No.5650118-3
£1.82
Each (In a Pack of 5)
Units
Right Angle Female 12 2 2.54mm Through Hole Solder - Phosphor Bronze 3A Yes 400 V ac - -
RS Stock No. 174-2022
Mfr. Part No.200890-0108
BrandMolex
£0.199
Each (In a Bag of 200)
Units
Right Angle Female 8 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 159-2480
Mfr. Part No.HSEC8-110-01-S-DV-A
BrandSamtec
£2.99
Each
Units
Vertical Female 20 2 0.8mm Surface Mount Solder Gold Beryllium Copper - - - Liquid Crystal Polymer HSEC8-PE
RS Stock No. 180-4645
Mfr. Part No.MEC1-108-02-S-D-A
BrandSamtec
£4.57
Each (In a Tube of 45)
Units
Vertical Female 16 2 1mm Surface Mount Solder Gold Beryllium Copper 2.2A - 300 V ac Liquid Crystal Polymer MEC1
New
RS Stock No. 208-5779
Mfr. Part No.ZA1-40-2-1.00-Z-10
BrandSamtec
£38.495
Each (In a Tray of 20)
Units
Right Angle Male 400 10 1mm - - - - 1A - - - ZA1-40-2-1.00-Z-10
RS Stock No. 197-6753
Mfr. Part No.HSEC8-140-01-S-D-EM2
BrandSamtec
£10.50
Each
Units
Vertical Female 10 1 0.8mm Surface Mount - - - 2.8A - - - HSEC8
RS Stock No. 767-6913
Mfr. Part No.MEC1-108-02-L-D-A
BrandSamtec
£4.34
Each
Units
Straight Female 16 2 1mm Surface Mount Solder Gold over Nickel Beryllium Copper 2A - 300 V ac Liquid Crystal Polymer MEC1
RS Stock No. 174-2033
Mfr. Part No.200890-0204
BrandMolex
£0.151
Each (In a Pack of 10)
Units
Right Angle Female 4 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 185-9259
Mfr. Part No.1775838-2
£0.356
Each (On a Tape of 500)
Units
Right Angle Female 52 2 0.8mm Surface Mount Solder Gold, Nickel Copper Alloy 5A - 1.5 (DRAM) V Thermoplastic Mini PCI Express
RS Stock No. 180-2450
Mfr. Part No.HSEC8-140-01-L-DV-A-K-TR
BrandSamtec
£2.275
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. 182-2187
Mfr. Part No.10058835-1001LF
£3.696
Each (In a Tray of 128)
Units
- Male 170 2 0.75mm Surface Mount Solder Gold Copper Alloy 1A - 12 V ac LCP UTCA
RS Stock No. 179-9034
Mfr. Part No.HSEC8-130-01-SM-DV-A
BrandSamtec
£3.94
Each
Units
Vertical Female 60 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
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