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. 483-8461
Mfr. Part No.22-27-2021
BrandMolex
$0.392
Each (In a Pack of 10)
units
KK 254 2.54mm 2 1 Straight - Unshrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 172-4913
Mfr. Part No.B4B-XH-A(LF)(SN)
BrandJST
$0.184
Each (In a Box of 500)
units
XH 2.5mm 4 1 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 820-1551
Mfr. Part No.B4B-XH-A(LF)(SN)
BrandJST
$0.344
Each (In a Pack of 5)
units
XH 2.5mm 4 1 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 820-1494
Mfr. Part No.S2B-PH-K-S(LF)(SN)
BrandJST
$0.30
Each (In a Pack of 5)
units
PH 2.0mm 2 1 Right Angle - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 172-4889
Mfr. Part No.S2B-PH-K-S(LF)(SN)
BrandJST
$0.102
Each (In a Box of 1000)
units
PH 2.0mm 2 1 Right Angle - Shrouded Wire to Board Through Hole - - 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. 547-3166
Mfr. Part No.M20-9773646
BrandHARWIN
$1.85
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. 483-8477
Mfr. Part No.22-27-2031
BrandMolex
$0.484
Each (In a Pack of 10)
units
KK 254 2.54mm 3 1 Straight - Unshrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 170-7102
Mfr. Part No.22-27-2031
BrandMolex
$0.203
Each (In a Bag of 10000)
units
KK 254 2.54mm 3 1 Straight - Unshrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 688-1445
Mfr. Part No.SYP-02T-1
BrandJST
$0.312
Each (In a Pack of 10)
units
- 2.5mm 2 1 Straight - - - Cable Mount - - - - -
RS Stock No. 172-4927
Mfr. Part No.SYP-02T-1
BrandJST
$0.12
Each (In a Bag of 1000)
units
- 2.5mm 2 1 Straight - - - Cable Mount - - - - -
RS Stock No. 251-8086
BrandRS PRO
$0.28
Each (In a Pack of 25)
units
- 2.54mm 2 1 Straight - Unshrouded - Through Hole - - Solder Brass Tin
RS Stock No. 166-7311
Mfr. Part No.B2B-PH-K-S(LF)(SN)
BrandJST
$0.103
Each (In a Bag of 1000)
units
PH 2.0mm 2 1 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 820-1422
Mfr. Part No.B2B-PH-K-S(LF)(SN)
BrandJST
$0.286
Each (In a Pack of 5)
units
PH 2.0mm 2 1 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 724-2539
Mfr. Part No.DT15-6P
BrandDeutsch
$17.78
Each
units
DT15 4.44mm 6 2 Straight - Shrouded Wire to Board Panel Mount, Through Hole - - Solder Copper Alloy Nickel
RS Stock No. 166-7312
Mfr. Part No.B2B-XH-A(LF)(SN)
BrandJST
$0.089
Each (In a Bag of 1000)
units
XH 2.5mm 2 1 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 820-1554
Mfr. Part No.B2B-XH-A(LF)(SN)
BrandJST
$0.276
Each (In a Pack of 5)
units
XH 2.5mm 2 1 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 392-2414
Mfr. Part No.SMP-04V-BC
BrandJST
$0.514
Each (In a Pack of 10)
units
- - 4 1 Straight - - - - - - - - -
RS Stock No. 172-4888
Mfr. Part No.B3B-XH-A(LF)(SN)
BrandJST
$0.13
Each (In a Box of 1000)
units
XH 2.5mm 3 1 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 820-1557
Mfr. Part No.B3B-XH-A(LF)(SN)
BrandJST
$0.334
Each (In a Pack of 5)
units
XH 2.5mm 3 1 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Tin