PCB Headers

PCB headers are a type of electrical connector. Typically, one side of the header is comprised of a series of pins that are soldered to the printed circuit board (PCB) surface.


Why use PCB headers?

PCB header enable the user to make multiple electrical connections to a PCB using one connection block or cable.


Types of PCB headers

PCB headers are made in both socketed (where the connections are housed in a plastic case) and non-socketed pin header types. Socketed 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.


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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
$0.378
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. 483-8477
Mfr. Part No.22-27-2031
BrandMolex
$0.448
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
$0.207
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. 483-8483
Mfr. Part No.22-27-2041
BrandMolex
$0.469
Each (In a Pack of 10)
units
KK 254 2.54mm 4 1 Straight - Unshrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 170-7103
Mfr. Part No.22-27-2041
BrandMolex
$0.251
Each (In a Bag of 9000)
units
KK 254 2.54mm 4 1 Straight - Unshrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 687-8115
Mfr. Part No.99-99-0986
BrandMolex
$0.642
Each (In a Pack of 10)
units
SPOX 2.5mm 2 1 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 679-5587
Mfr. Part No.22-23-2031
BrandMolex
$0.257
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. 233-2955
Mfr. Part No.43045-0400
BrandMolex
$2.03
Each (In a Pack of 5)
units
Micro-Fit 3.0 3mm 4 2 Right Angle - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 170-7044
Mfr. Part No.43045-0400
BrandMolex
$1.12
Each (In a Tray of 2232)
units
Micro-Fit 3.0 3mm 4 2 Right Angle - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 679-5583
Mfr. Part No.22-23-2021
BrandMolex
$0.195
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. 484-1883
Mfr. Part No.39-28-1023
BrandMolex
$0.994
Each (In a Pack of 5)
units
Mini-Fit Jr 4.2mm 2 2 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 167-1670
Mfr. Part No.53048-1210
BrandMolex
$0.663
Each (In a Tray of 1000)
units
PicoBlade 1.25mm 12 1 Right Angle - Shrouded Wire to Board Through Hole - - Solder Phosphor Bronze Tin
RS Stock No. 319-1109
Mfr. Part No.53048-1210
BrandMolex
$1.14
Each (In a Pack of 5)
units
PicoBlade 1.25mm 12 1 Right Angle - Shrouded Wire to Board Through Hole - - Solder Phosphor Bronze Tin
RS Stock No. 687-8042
Mfr. Part No.22-03-5045
BrandMolex
$0.793
Each (In a Pack of 10)
units
SPOX 2.5mm 4 1 Straight - Shrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 484-1899
Mfr. Part No.39-28-1043
BrandMolex
$1.13
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. 670-0844
Mfr. Part No.70553-0002
BrandMolex
$1.56
Each (In a Pack of 5)
units
SL 2.54mm 3 1 Right Angle - Shrouded Wire to Board Through Hole - - Solder Phosphor Bronze Gold
RS Stock No. 679-5596
Mfr. Part No.22-23-2041
BrandMolex
$0.329
Each (In a Pack of 10)
units
KK 254 2.54mm 4 1 Straight - Unshrouded Wire to Board Through Hole - - Solder Brass Tin
RS Stock No. 670-3496
Mfr. Part No.90131-0140
BrandMolex
$4.08
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. 161-7973
Mfr. Part No.55560-0168
BrandMolex
$0.699
Each (On a Reel of 2000)
units
SlimStack 0.5mm 16 2 Straight - Shrouded Board to Board Surface Mount - - Solder Brass Gold
RS Stock No. 720-6558
Mfr. Part No.55560-0168
BrandMolex
$1.41
Each (In a Pack of 5)
units
SlimStack 0.5mm 16 2 Straight - Shrouded Board to Board Surface Mount - - Solder Brass Gold