2.54mm Pin Headers and Sockets

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• Pitch
  Distance between connector pin centrelines. For dual row products pitch defines distance between both pins and rows. Note 0.8 x 1.2mm (0.31” x .047”) is the exception to this rule.

  • 0.80mm x 1.20mm2
  • 1.00mm19
  • 1.27mm32
  • 2.00mm41
  • 2.54mm65
  • 3.96mm2
  • 4.00mm2
  • 5.08mm3
• Gender
  Male headers with exposed pins and female sockets with insulated non-exposed contacts.

  • Header27
  • Socket38
• Mount Type
  Termination method of soldering connector onto PCB.

  • Surface mount21
  • Through hole44
• PCB Orientation
  Defines the orientation which a connector sits on the PCB. Vertical (straight) is 90° to the PCB, right angle (horizontal) is 180° to the PCB. Use the appropriate mating connector pairs for parallel, co-planar and right angle PCB mating configuration.

  • Right angle23
  • Straight40
  • U-Shaped2
• Number Of Rows
  Defines PCB connector number of rows. GCT offer single in line (SIL), dual in line (DIL), triple in line (three rows) and quad in line (four rows) options.

  • Single28
  • Dual33
  • Triple4
  • Quad
• Elevated?
  Products which achieve a greater space between PCB’s, normally used in parallel PCB stacking applications to achieve a desired height. Elevated headers normally have two insulators, while elevated sockets use an insulator block and modular insulator extenders.

  • No57
  • Yes8
• Socket Entry Type
  Searches female connectors only and displays whether header pins may enter from above (top entry), from below with appropriate holes in PCB (bottom entry) or from both above and below (dual entry). See drawings for details of PCB layouts required for bottom entry connector mating.

  • Bottom entry1
  • Dual entry6
  • Top entry18
• Socket Contact Type
  Socket contact type", "Searches female connectors only. Two contact types: ‘Leaf Spring’ and ‘Tuning Fork’, both offer two points of contact with mating header pins. ‘Tuning Fork’ is the lower cost option, with higher insertion and extraction force, suitable only for top entry applications. ‘Leaf Spring’ is lower force contact and suitable for top, bottom & dual entry applications. For higher number of mating cycles choose ‘Leaf Spring’.

  • Leaf spring contact22
  • Tuning fork contact16
• Locating Peg
  Plastic locating pegs to hold the connector in place during solder process and may provide extra strength post soldering. Also known as plastic post.

  • With7
  • Without64
• Profile
  The profile of connectors above the PCB. Vertical connectors denote the stacking profile in parallel PCB applications, right angle connectors denotes height above the PCB.

  • 1.00mm to 1.99mm12
  • 2.00mm to 2.99mm24
  • 3.00mm to 3.99mm16
  • 4.00mm to 4.99mm11
  • Over 5.00mm42
• Polarisation/Shrouded
  Polarisation allows connectors to be plugged together in only the correct mating orientation. Achieved by a polarisation cutout or ‘key’ on PCB headers and raised polarisation bump on female connectors. Select both ‘key’ and ‘bump’ to view all polarised parts.

  • Polarisation bump2
  • Polarisation key4
  • Yes
• Insulator Colour
  Standard board to board connector range is black, white insulators used for White Lite range for Solid State Lighting (SSL) applications.

  • Black58
  • Natural7
• Header Square Pin Size
  Displays the size of the header square pin/post, as connector pitch reduces sq. post size reduces too, one reason for lower current carrying capability of smaller pitch PCB connectors. Note: Two options in 1.27mm (.050”) pitch. Female sockets clearly state which header square pin size they mate with.

  • 0.30mm
  • 0.30mm x 0.42mm
  • 0.40mm
  • 0.46mm
  • 0.50mm
  • 0.64mm65
  • 1.14mm