PCB Headers

PCB (Printed circuit board) headers are a type of electrical connector that allows you to join connections to a PCB using a single block. Typically headers have one side that is designed to be surface mounted and soldered onto the board with the other side allowing connections. Pins on the header can also be surrounded by a shroud to make the unit more secure, prevent pins from bending and allow locking.



Why use PCB headers?


PCB headers enable the user to make multiple electrical connections to a PCB using one connection block or cable. They're also easy to use. Simply solder a PCB header onto your board and you'll be ready to make connections to multiple pins. Typically each pin can be used for varying things such as data or power.


PCB headers also make a great introduction to learner electronics since they're simple to understand and have one primary function of allowing wire-to-board. Incorporating them into learning boards, kits and other accessories is popular with the likes of Arduino, Raspberry Pi and other single board computers.



Types of PCB headers:


PCB headers are made in both shrouded (where the connections are housed in a plastic case) and non-shrouded pin header types. Shrouded connectors are more robust and less likely to cause short circuits, but do take up more space on the PCB. Pin headers, by contrast, are easier to work with and suit a wider range of applications.



  • Single or double-row pin headers: The most commonly used types of PCB headers are single- or double-row pin headers. These are produced in matching male and female versions and are made from folded sheet metal with a square cross-section.

  • Machine-pin headers: Machine-pin headers have a circular cross-section, which fits more precisely into round PCB holes, providing a better electrical connection, greater durability and an increased lifespan.

  • Angled connectors: Headers can come in a variety of different angles. Some of the most common angles are straight, 90° and 180°. Angled headers can be useful if you need to reduce strain on a cable or need more room on your board verticall/horizontally.


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Description Price Series Pitch Number of Contacts Number of Rows Body Orientation Mating Pin Length Shrouded/Unshrouded Connector System Mounting Type Tail Pin Length CAD Drawing Termination Method Contact Material Contact Plating
RS Stock No. 547-3166
Mfr. Part No.M20-9773646
BrandHARWIN
$1.81
Each
units
M20 2.54mm 36 1 Straight 5.8mm Unshrouded Board to Board, Wire to Board Through Hole 3.1mm 3D CAD Model Solder Brass Tin
RS Stock No. 173-0982
Mfr. Part No.M20-9773646
BrandHARWIN
$1.422
Each (In a Bag of 200)
units
M20 2.54mm 36 1 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 745-7071
Mfr. Part No.M20-9991046
BrandHARWIN
$0.56
Each (In a Pack of 10)
units
M20 2.54mm 10 1 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 547-3217
Mfr. Part No.M20-9963645
BrandHARWIN
$2.69
Each
units
M20 2.54mm 36 1 Right Angle 6.1mm Unshrouded Board to Board, Wire to Board Through Hole 3mm - Solder Brass Gold
RS Stock No. 173-0888
Mfr. Part No.M20-9991046
BrandHARWIN
$0.311
Each (In a Bag of 500)
units
M20 2.54mm 10 1 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 173-1019
Mfr. Part No.M20-9963645
BrandHARWIN
$1.638
Each (In a Bag of 200)
units
M20 2.54mm 36 1 Right Angle - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Gold
RS Stock No. 547-3150
Mfr. Part No.M20-9993645
BrandHARWIN
$2.19
Each
units
M20 2.54mm 36 1 Straight 6.1mm Unshrouded Board to Board, Wire to Board Through Hole 3mm - Solder Brass Gold
RS Stock No. 173-1004
Mfr. Part No.M20-9993645
BrandHARWIN
$1.329
Each (In a Bag of 200)
units
M20 2.54mm 36 1 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Gold
RS Stock No. 636-5353
Mfr. Part No.D01-9923246
BrandHARWIN
$8.096
Each (In a Tube of 5)
units
D01-99 2.54mm 32 1 Straight - Unshrouded - Through Hole - - Solder Brass Tin
RS Stock No. 173-1121
Mfr. Part No.D01-9923246
BrandHARWIN
$6.295
Each (In a Box of 100)
units
D01-99 2.54mm 32 1 Straight - Unshrouded - Through Hole - - Solder Brass Tin
RS Stock No. 909-4451
Mfr. Part No.M83-LML3M5N60-0000-000
BrandHARWIN
$50.27
Each
units
Datamate J-Tek 2.0mm 60 3 Right Angle - Shrouded Board to Board, Wire to Board Through Hole - - Solder Phosphor Bronze Gold
RS Stock No. 681-1200
Mfr. Part No.M50-3600542
BrandHARWIN
$2.15
Each
units
Archer M50 1.27mm 10 2 Straight - Unshrouded Board to Board, Wire to Board Surface Mount - - Solder Copper Alloy Gold
RS Stock No. 122-4772
Mfr. Part No.M50-3600542
BrandHARWIN
$1.03
Each (In a Box of 1000)
units
Archer M50 1.27mm 10 2 Straight - Unshrouded Board to Board, Wire to Board Surface Mount - - Solder Copper Alloy Gold
RS Stock No. 681-2979
Mfr. Part No.M20-9990445
BrandHARWIN
$0.271
Each (In a Pack of 10)
units
M20 2.54mm 4 1 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Gold
RS Stock No. 173-0806
Mfr. Part No.M20-9990445
BrandHARWIN
$0.132
Each (In a Bag of 1000)
units
M20 2.54mm 4 1 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Gold
RS Stock No. 681-2963
Mfr. Part No.M20-9981046
BrandHARWIN
$0.96
Each (In a Pack of 10)
units
M20 2.54mm 20 2 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 173-0940
Mfr. Part No.M20-9981046
BrandHARWIN
$0.664
Each (In a Bag of 300)
units
M20 2.54mm 20 2 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 681-2991
Mfr. Part No.M20-9990846
BrandHARWIN
$0.462
Each (In a Pack of 10)
units
M20 2.54mm 8 1 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 173-1044
Mfr. Part No.M80-8820442
BrandHARWIN
$3.86
Each (In a Tube of 21)
units
Datamate L-Tek 2.0mm 4 1 Straight - Shrouded Board to Board, Wire to Board Through Hole - - Solder Phosphor Bronze Gold
RS Stock No. 173-0855
Mfr. Part No.M20-9990846
BrandHARWIN
$0.206
Each (In a Bag of 1000)
units
M20 2.54mm 8 1 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Tin