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. 403-803
Mfr. Part No.50-52SNL-ATF
BrandCinch
HK$81.14
Each
units
Straight - 49 2 2.54mm PCB Mount Solder Gold over Nickel Brass 3A Yes - Glass Fibre Reinforced PET -
RS Stock No. 163-9943
Mfr. Part No.1-966194-3
HK$1.42
Each (In a Box of 4480)
units
Right Angle Female 3 1 2.5mm Cable Mount IDT Tin Phosphor Bronze - - - PBT -
RS Stock No. 681-1711
Mfr. Part No.1-966194-3
HK$2.644
Each (In a Pack of 10)
units
Right Angle Female 3 1 2.5mm Cable Mount IDT Tin Phosphor Bronze - - - PBT -
RS Stock No. 165-0620
Mfr. Part No.5120521-2
HK$39.749
Each (On a Reel of 650)
units
Straight Female 84 - 1mm Surface Mount Solder Gold over Nickel Copper Alloy - - - Thermoplastic -
RS Stock No. 680-5255
Mfr. Part No.5120521-2
HK$59.41
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Straight Female 84 - 1mm Surface Mount Solder Gold over Nickel Copper Alloy - - - Thermoplastic -
RS Stock No. 767-7042
Mfr. Part No.PCIE-098-02-F-D-TH
BrandSamtec
HK$26.69
Each
units
Straight Female 98 2 1mm Through Hole Solder Gold over Nickel Phosphor Bronze 2.5A - - Nylon PCIE
RS Stock No. 901-2033
Mfr. Part No.MEC6-130-02-L-D-RA1
BrandSamtec
HK$97.305
Each (In a Pack of 2)
units
Right Angle Female 60 2 0.635mm Surface Mount Solder Gold over Nickel, Tin over Nickel Phosphor Bronze 1.7A - 195 V ac Liquid Crystal Polymer MEC6-RA
New
RS Stock No. 217-5393
Mfr. Part No.1717468-4
HK$79.685
Each (In a Tray of 20)
units
Right Angle Female 200 2 0.6mm PCB Mount - - - 500mA - - - DDR2 SO DIMM
New
RS Stock No. 217-5394
Mfr. Part No.1717468-4
HK$95.64
Each
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Right Angle Female 200 2 0.6mm PCB Mount - - - 500mA - - - DDR2 SO DIMM
RS Stock No. 876-7427
Mfr. Part No.70MRCK8-EC
BrandGrayhill
HK$838.47
Each
units
Straight - 16 1 - Rack Mount Screw - - - Yes - - -
RS Stock No. 196-8096
Mfr. Part No.1-2340321-2
HK$120.04
Each
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- Female 168 2 0.6mm - - - - 1.1A - - - Sliver
RS Stock No. 797-2132
Mfr. Part No.7-5530843-7
HK$19.142
Each (In a Pack of 5)
units
Straight Female 6 2 2.54mm Through Hole Solder Gold over Nickel Phosphor Bronze 3A - 400 V Glass Fibre Reinforced PET 100 Series
RS Stock No. 437-140
Mfr. Part No.TX24-120R-6ST-H1E
BrandJAE
HK$26.24
Each (In a Pack of 5)
units
Straight Female 120 2 2.54mm Through Hole Solder Gold over Nickel Copper Alloy 1A - 250 V ac PBT -
RS Stock No. 158-5875
Mfr. Part No.HSEC8-110-01-S-DV-A
BrandSamtec
HK$36.474
Each (In a Bag of 112)
units
Vertical Female 20 2 0.8mm Surface Mount Solder Gold Beryllium Copper - - - Liquid Crystal Polymer HSEC8-PE
RS Stock No. 615-9518
Mfr. Part No.10018783-11110TLF
HK$7.04
Each (In a Pack of 5)
units
Straight Female 36 2 2mm Through Hole Solder Gold over Nickel Copper Alloy - - - Nylon -
RS Stock No. 712-2526
Mfr. Part No.6123215-1
HK$102.61
Each
units
Straight Female 150 2 0.6mm Surface Mount Solder Gold over Nickel Copper Alloy - - - Liquid Crystal Polymer -
RS Stock No. 180-2635
Mfr. Part No.HSEC8-110-01-L-DV-A-K-TR
BrandSamtec
HK$43.58
Each
units
Vertical Female 20 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 859-9599
Mfr. Part No.89898-312LF
HK$23.898
Each (In a Pack of 10)
units
Straight Female 24 2 2.54mm Surface Mount Solder Gold over Nickel Phosphor Bronze 2 (Load) A, 3 A - - Glass Filled Thermoplastic -
RS Stock No. 864-3822
Mfr. Part No.5145154-8
HK$29.295
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. 180-2482
Mfr. Part No.HSEC8-110-01-L-DV-A-K-TR
BrandSamtec
HK$34.86
Each (On a Reel of 350)
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Vertical Female 20 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV