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. 335-640
Mfr. Part No.45719-0004
BrandMolex
TWD431.00
Each
units
Straight Female 4 2 - Through Hole Solder Gold over Nickel Copper Alloy 40A - 250 V Liquid Crystal Polymer BUS BAR SOCKET EXTREME POWER-EDGE
RS Stock No. 167-6478
Mfr. Part No.67910-0002
BrandMolex
TWD94.30
Each (On a Reel of 360)
units
Right Angle - 52 - 0.8mm Surface Mount Solder Gold - 1.1A Yes 50 V - 67910
RS Stock No. 896-7459
Mfr. Part No.67910-0002
BrandMolex
TWD135.00
Each
units
Right Angle - 52 - 0.8mm Surface Mount Solder Gold - 1.1A Yes 50 V - 67910
RS Stock No. 174-2019
Mfr. Part No.200890-0102
BrandMolex
TWD8.10
Each (In a Bag of 500)
units
Right Angle Female 2 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 174-2024
Mfr. Part No.200890-0204
BrandMolex
TWD11.70
Each (In a Bag of 400)
units
Right Angle Female 4 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 167-1740
Mfr. Part No.45714-0001
BrandMolex
TWD271.30
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. 174-2025
Mfr. Part No.200890-0206
BrandMolex
TWD13.20
Each (In a Bag of 300)
units
Right Angle Female 6 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 174-2020
Mfr. Part No.200890-0104
BrandMolex
TWD11.40
Each (In a Bag of 400)
units
Right Angle Female 4 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 178-9968
Mfr. Part No.87715-9106
BrandMolex
TWD60.00
Each (In a Tray of 1680)
units
Vertical Male 64 - 1mm Through Hole Solder - Phosphor Bronze 1.1A Yes 50 Vrms ac/dc Nylon 46 -
RS Stock No. 170-7254
Mfr. Part No.76691-1200
BrandMolex
TWD775.30
Each (In a Tray of 216)
units
Straight Female 200 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. 335-634
Mfr. Part No.45719-0006
BrandMolex
TWD446.00
Each
units
Straight Female 8 2 - Through Hole Solder Gold over Nickel Copper Alloy 40A - 250 V Liquid Crystal Polymer BUS BAR SOCKET EXTREME POWER-EDGE
RS Stock No. 174-2034
Mfr. Part No.200890-0206
BrandMolex
TWD16.30
Each (In a Pack of 10)
units
Right Angle Female 6 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 179-1919
Mfr. Part No.87715-9106
BrandMolex
TWD74.60
Each (In a Pack of 5)
units
Vertical Male 64 - 1mm Through Hole Solder - Phosphor Bronze 1.1A Yes 50 Vrms ac/dc Nylon 46 -
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. 174-2029
Mfr. Part No.200890-0104
BrandMolex
TWD13.00
Each (In a Pack of 10)
units
Right Angle Female 4 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 174-2030
Mfr. Part No.200890-0106
BrandMolex
TWD17.20
Each (In a Pack of 10)
units
Right Angle Female 6 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 174-2028
Mfr. Part No.200890-0102
BrandMolex
TWD10.10
Each (In a Pack of 10)
units
Right Angle Female 2 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 174-2022
Mfr. Part No.200890-0108
BrandMolex
TWD17.10
Each (In a Bag of 200)
units
Right Angle Female 8 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 174-2026
Mfr. Part No.200890-0208
BrandMolex
TWD16.80
Each (In a Bag of 200)
units
Right Angle Female 8 1 2mm Straddle Mount Crimp - - 3A - 125 V Nylon EDGELOCK
RS Stock No. 729-3164
Mfr. Part No.76691-1200
BrandMolex
TWD967.00
Each
units
Straight Female 200 2 0.8mm Through Hole Press-In Gold over Nickel Copper Alloy 1.5A Yes 250 V ac Glass Fibre Reinforced Thermoplastic EDGELINE