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. 670-3496
Mfr. Part No.90131-0140
BrandMolex
$5.698
Each (In a Pack of 5)
units
C-Grid III 2.54mm 40 2 Straight - Unshrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 484-1899
Mfr. Part No.39-28-1043
BrandMolex
$1.338
Each (In a Pack of 5)
units
Mini-Fit Jr 4.2mm 4 2 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 820-1585
Mfr. Part No.S3B-XH-A(LF)(SN)
BrandJST
$0.366
Each (In a Pack of 5)
units
XH 2.5mm 3 1 Right Angle - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 189-6111
Mfr. Part No.1757255
$1.738
Each (In a Pack of 5)
units
MSTBA 2.5/ 3-G-5.08 5.08mm 3 1 Right Angle - Shrouded Wire to Board - - - Solder - -
RS Stock No. 121-6834
Mfr. Part No.61303211821
$2.174
Each (In a Tray of 80)
units
WR-PHD 2.54mm 32 1 Straight - Shrouded Board to Board Through Hole - - Solder Copper Alloy -
RS Stock No. 170-7105
Mfr. Part No.22-27-2061
BrandMolex
$0.324
Each (In a Bag of 5000)
units
KK 254 2.54mm 6 1 Straight - Unshrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 167-1950
Mfr. Part No.90122-0780
BrandMolex
$7.539
Each (In a Tray of 300)
units
C-Grid III 2.54mm 40 2 Right Angle - Unshrouded Wire to Board Through Hole - - Solder Brass Gold
RS Stock No. 679-4906
Mfr. Part No.03-09-1022
BrandMolex
$0.287
Each (In a Pack of 10)
units
STANDARD .093" 6.3mm 2 1 Straight - - - - - - - - -
RS Stock No. 897-1026
BrandRS PRO
$1.584
Each (In a Pack of 10)
units
- 3.5mm 2 1 Straight - Shrouded - Through Hole - - Solder - -
RS Stock No. 896-7620
Mfr. Part No.42375-0002
BrandMolex
$0.097
Each (In a Pack of 50)
units
42375 2.54mm 2 1 Vertical - Unshrouded - Through Hole - - Solder Brass Tin
RS Stock No. 468-1366
Mfr. Part No.90122-0780
BrandMolex
$12.996
Each (In a Pack of 5)
units
C-Grid III 2.54mm 40 2 Right Angle - Unshrouded Wire to Board Through Hole - - Solder Brass Gold
RS Stock No. 122-5076
Mfr. Part No.105309-1202
BrandMolex
$1.23
Each (In a Pack of 10)
units
Nano-Fit 2.5mm 2 1 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Gold
RS Stock No. 826-7191
Mfr. Part No.61303211821
$2.87
Each
units
WR-PHD 2.54mm 32 1 Straight - Shrouded Board to Board Through Hole - - Solder Copper Alloy -
RS Stock No. 279-9213
Mfr. Part No.53047-0210
BrandMolex
$0.326
Each (In a Pack of 5)
units
PicoBlade 1.25mm 2 1 Straight - Shrouded Wire to Board Through Hole - - Solder Phosphor Bronze Tin
RS Stock No. 483-8506
Mfr. Part No.22-27-2061
BrandMolex
$0.967
Each (In a Pack of 10)
units
KK 254 2.54mm 6 1 Straight - Unshrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 236-3202
Mfr. Part No.39-03-6060
BrandMolex
$0.986
Each (In a Pack of 5)
units
STANDARD .093" 6.7mm 6 2 Straight - - - - - - - - -
RS Stock No. 406-663
Mfr. Part No.501331-0807
BrandMolex
$0.899
Each (In a Pack of 10)
units
Pico-Clasp 1.0mm 8 1 Straight - Shrouded Wire to Board Surface Mount - - Solder Phosphor Bronze Tin
RS Stock No. 161-7922
Mfr. Part No.22-27-2101
BrandMolex
$0.51
Each (In a Bag of 3000)
units
KK 254 2.54mm 10 1 Straight - Unshrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 923-0389
Mfr. Part No.09195146323
BrandHARTING
$3.141
Each (In a Box of 100)
units
SEK 19 2.54mm 14 2 Right Angle - Shrouded Wire to Board Through Hole - - Solder - Gold
RS Stock No. 515-1383
Mfr. Part No.B2B-EH-A (LF) (SN)
BrandJST
$0.28
Each (In a Pack of 10)
units
EH 2.5mm 2 1 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Tin