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. 732-0190
Mfr. Part No.MM70-314-310B2-2-R500
BrandJAE
SGD9.64
Each
units
Straight Female 314 - 0.5mm Surface Mount - Gold over Nickel Copper Alloy 500mA Yes - - MM70
RS Stock No. 471-294
Mfr. Part No.586338040000909+
BrandPanduit
SGD16.49
Each
units
- Male 40 - - Cable Mount - Gold - 1A - 350 V Glass Fibre Reinforced PET -
RS Stock No. 159-981
Mfr. Part No.MECT-110-01-M-D-RA1
BrandSamtec
SGD3.92
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. 164-2197
Mfr. Part No.1871058-4
SGD16.687
Each (In a Tray of 150)
units
Straight Male 164 2 1mm PCB Mount Solder Gold Copper Alloy 1.1A - 50 V ac Thermoplastic 187 Series
RS Stock No. 885-9217
Mfr. Part No.50-22A-20
SGD18.91
Each
units
- - - - - - - - - - - - - -
RS Stock No. 859-9523
Mfr. Part No.89898-311LF
SGD2.669
Each (In a Pack of 336)
units
Straight Female 22 2 2.54mm Surface Mount Solder Gold over Nickel Phosphor Bronze 2 (Load) A, 3 A - - Glass Filled Thermoplastic -
RS Stock No. 167-1740
Mfr. Part No.45714-0001
BrandMolex
SGD11.371
Each (In a Tray of 935)
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. 165-0428
Mfr. Part No.1-5145154-2
SGD6.13
Each (In a Box of 35)
units
Straight Female 120 2 1.27mm Through Hole Solder Gold over Nickel Phosphor Bronze 1A - 203 V ac Thermoplastic -
RS Stock No. 745-5703
Mfr. Part No.5145166-4
SGD7.13
Each
units
Straight Female 184 2 1.27mm PCB Mount Solder Gold Phosphor Bronze - - - Thermoplastic -
RS Stock No. 864-3822
Mfr. Part No.5145154-8
SGD4.636
Each (In a Pack of 840)
units
Straight Female 120 2 1.27mm Through Hole Solder Gold over Nickel Phosphor Bronze - - 203 V ac Thermoplastic 1.27
RS Stock No. 767-7048
Mfr. Part No.PCIE-098-02-F-D-RA
BrandSamtec
SGD12.49
Each
units
Right Angle Female 98 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 729-3173
Mfr. Part No.76693-2294
BrandMolex
SGD52.34
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. 174-2020
Mfr. Part No.200890-0104
BrandMolex
SGD0.563
Each (In a Bag of 400)
units
Right Angle Female 4 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 180-2635
Mfr. Part No.HSEC8-110-01-L-DV-A-K-TR
BrandSamtec
SGD5.84
Each
units
Vertical Female 20 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 720-3647
Mfr. Part No.10039755-10101TLF
SGD5.344
Each (In a Pack of 5)
units
Straight Female 64 2 1mm Through Hole Press-In Gold over Nickel Copper Alloy - - - Glass Fibre Reinforced Nylon -
RS Stock No. 176-5838
Mfr. Part No.PS4A-6.35T(01)
BrandHirose
SGD42.80
Each
units
Horizontal Female 1 1 - Screw Mount Screw Silver Plated Copper Alloy 300A - 600 V ac/dc Synthetic Resin PS4
RS Stock No. 174-2033
Mfr. Part No.200890-0204
BrandMolex
SGD0.61
Each (In a Pack of 10)
units
Right Angle Female 4 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 864-3611
Mfr. Part No.7-5530843-0
SGD3.68
Each (In a Pack of 324)
units
Straight Female 31 (Dual) 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 400 V ac Glass Filled Polyester Standard Edge II
RS Stock No. 767-7032
Mfr. Part No.PCIE-064-02-F-D-RA
BrandSamtec
SGD9.34
Each
units
Right Angle Female 64 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 200-0370
Mfr. Part No.MEC1-108-02-F-D-RA1-SL
BrandSamtec
SGD7.07
Each (In a Tube of 45)
units
Vertical Female - 1 1mm Surface Mount - - - 2.2A - - - MEC1
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Vertical Card Edge connectors for PCI Express technology on a 1.00mm pitch. Offer 1,4,8 or 16 serial PCI Express links to scale different bandwith requirementsEach serial link supports 2.5Gbps (per direction)Retention locks available (see 615-9546).