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$75.86
Each
units
Straight - 49 2 2.54mm PCB Mount Solder Gold over Nickel Brass 3A Yes - Glass Fibre Reinforced PET -
RS Stock No. 681-1711
Mfr. Part No.1-966194-3
HK$2.271
Each (In a Pack of 10)
units
Right Angle Female 3 1 2.5mm Cable Mount IDT Tin Phosphor Bronze - - - PBT -
RS Stock No. 163-9943
Mfr. Part No.1-966194-3
HK$1.33
Each (In a Box of 4480)
units
Right Angle Female 3 1 2.5mm Cable Mount IDT Tin Phosphor Bronze - - - PBT -
RS Stock No. 680-5255
Mfr. Part No.5120521-2
HK$52.73
Each
units
Straight Female 84 - 1mm Surface Mount Solder Gold over Nickel Copper Alloy - - - Thermoplastic -
RS Stock No. 165-0620
Mfr. Part No.5120521-2
HK$35.173
Each (On a Reel of 650)
units
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$22.78
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$72.625
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
RS Stock No. 180-2615
Mfr. Part No.HSEC8-150-01-S-DV-A-K-TR
BrandSamtec
HK$57.38
Each
units
Vertical Female 100 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 164-0052
Mfr. Part No.5120521-1
HK$30.244
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. 164-0053
Mfr. Part No.5120524-1
HK$42.784
Each (On a Reel of 300)
units
Straight Female 64 - 1mm Surface Mount Solder Gold over Nickel Phosphor Bronze 500mA - - Thermoplastic -
RS Stock No. 180-2635
Mfr. Part No.HSEC8-110-01-L-DV-A-K-TR
BrandSamtec
HK$33.50
Each
units
Vertical Female 20 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 164-0054
Mfr. Part No.5120527-1
HK$41.934
Each (On a Reel of 400)
units
Straight Male 64 - 1mm Surface Mount Solder Gold over Nickel Copper Alloy 500mA - 100 V ac Liquid Crystal Polymer -
RS Stock No. 180-2626
Mfr. Part No.HSEC8-130-01-L-DV-A-K-TR
BrandSamtec
HK$41.87
Each
units
Vertical Female 60 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 180-2732
Mfr. Part No.HSEC8-130-01-S-DV-A-K-TR
BrandSamtec
HK$46.54
Each
units
Vertical Female 60 2 0.8mm Surface Mount Solder Gold Beryllium Copper 2.8A - - Liquid Crystal Polymer HSEC8-DV
RS Stock No. 182-2883
Mfr. Part No.91601-318LF
HK$15.162
Each (In a Tube of 288)
units
Vertical Female 18 1 2.54mm Surface Mount Solder Gold Phosphor Bronze 3A - 1 kV ac - Dubox
New
RS Stock No. 208-8678
Mfr. Part No.HSEC8-113-01-L-DV-A-K-TR
BrandSamtec
HK$33.175
Each (On a Tape of 2)
units
Vertical Female 26 2 0.8mm Surface Mount - - - 2.8A - - - HSEC8-113-01-L-DV-A-K-TR
RS Stock No. 878-2766
Mfr. Part No.70MRCK24-EC
BrandGrayhill
HK$1,845.92
Each
units
Straight - 48 1 - Rack Mount Screw - - - Yes - - -
RS Stock No. 864-3605
Mfr. Part No.6-5530843-5
HK$25.421
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
New
RS Stock No. 208-8679
Mfr. Part No.HSEC8-113-01-L-RA-L2
BrandSamtec
HK$69.90
Each
units
Right Angle Female 26 2 0.8mm Surface Mount - - - 2.6A - - - HSEC8-113-01-L-RA-L2
RS Stock No. 200-0413
Mfr. Part No.MECT-110-01-MM-D-RA1
BrandSamtec
HK$22.92
Each (In a Pack of 2)
units
Vertical - 10 2 0.88 - - - - 2A - - - MECT
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