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. 173-1121
Mfr. Part No.D01-9923246
BrandHARWIN
MYR16.559
Each (In a Box of 100)
units
D01-99 2.54mm 32 1 Straight - Unshrouded - Through Hole - - Solder Brass Tin
RS Stock No. 636-5353
Mfr. Part No.D01-9923246
BrandHARWIN
MYR20.682
Each (In a Tube of 5)
units
D01-99 2.54mm 32 1 Straight - Unshrouded - Through Hole - - Solder Brass Tin
RS Stock No. 173-0806
Mfr. Part No.M20-9990445
BrandHARWIN
MYR0.353
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. 681-2979
Mfr. Part No.M20-9990445
BrandHARWIN
MYR0.691
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. 547-3150
Mfr. Part No.M20-9993645
BrandHARWIN
MYR5.07
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. 173-1029
Mfr. Part No.M50-4900545
BrandHARWIN
MYR7.311
Each (In a Tube of 63)
units
Archer M50 1.27mm 10 2 Straight - Shrouded Board to Board Surface Mount - - Solder Phosphor Bronze Gold
RS Stock No. 173-0995
Mfr. Part No.M20-9993646
BrandHARWIN
MYR3.116
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. 173-1004
Mfr. Part No.M20-9993645
BrandHARWIN
MYR3.411
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. 681-0761
Mfr. Part No.M50-4900545
BrandHARWIN
MYR8.21
Each
units
Archer M50 1.27mm 10 2 Straight - Shrouded Board to Board Surface Mount - - Solder Phosphor Bronze Gold
RS Stock No. 745-7074
Mfr. Part No.M20-9993646
BrandHARWIN
MYR3.401
Each (In a Pack of 10)
units
M20 2.54mm 36 1 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 173-0804
Mfr. Part No.M22-2010205
BrandHARWIN
MYR0.305
Each (In a Bag of 1000)
units
M22 2.0mm 2 1 Straight - Unshrouded Board to Board Through Hole - - Solder Phosphor Bronze Gold
RS Stock No. 173-0968
Mfr. Part No.M22-2011846
BrandHARWIN
MYR2.451
Each (In a Bag of 300)
units
M22 2.0mm 18 1 Straight - Unshrouded Board to Board Through Hole - - Solder Phosphor Bronze Tin
RS Stock No. 547-3239
Mfr. Part No.M22-2011846
BrandHARWIN
MYR3.326
Each (In a Pack of 5)
units
M22 2.0mm 18 1 Straight - Unshrouded Board to Board Through Hole - - Solder Phosphor Bronze Tin
RS Stock No. 173-0803
Mfr. Part No.M20-9990345
BrandHARWIN
MYR0.289
Each (In a Bag of 1000)
units
M20 2.54mm 3 1 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Gold
RS Stock No. 681-3287
Mfr. Part No.M22-2010205
BrandHARWIN
MYR0.503
Each (In a Pack of 10)
units
M22 2.0mm 2 1 Straight - Unshrouded Board to Board Through Hole - - Solder Phosphor Bronze Gold
RS Stock No. 681-2975
Mfr. Part No.M20-9990345
BrandHARWIN
MYR0.463
Each (In a Pack of 10)
units
M20 2.54mm 3 1 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Gold
RS Stock No. 681-2969
Mfr. Part No.M20-9981045
BrandHARWIN
MYR2.966
Each (In a Pack of 10)
units
M20 2.54mm 20 2 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Gold
RS Stock No. 131-9670
Mfr. Part No.M22-2010505
BrandHARWIN
MYR1.312
Each (In a Pack of 5)
units
M22 2.0mm 5 1 Straight - Unshrouded Board to Board Through Hole - - Solder Phosphor Bronze Gold
RS Stock No. 173-0955
Mfr. Part No.M20-9981045
BrandHARWIN
MYR2.274
Each (In a Bag of 300)
units
M20 2.54mm 20 2 Straight - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass Gold
RS Stock No. 173-1020
Mfr. Part No.M22-2021846
BrandHARWIN
MYR4.836
Each (In a Bag of 200)
units
M22 2.0mm 36 2 Straight - Unshrouded Board to Board Through Hole - - Solder Phosphor Bronze Tin