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 Shrouded/Unshrouded Connector System Mounting Type Tail Pin Length CAD Drawing Termination Method Contact Material
RS stock no. 172-4888
Mfr. Part No.B3B-XH-A(LF)(SN)
BrandJST
R 1.166
Each (In a Box of 1000)
units
XH 2.5mm 3 1 Straight - - Shrouded Wire to Board Through Hole - - Solder Brass
RS stock no. 547-3172
Mfr. Part No.M20-9983645
BrandHARWIN
R 44.19
Each
units
M20 2.54mm 72 2 Straight 6.1mm - Unshrouded Board to Board, Wire to Board Through Hole 3mm - Solder Brass
RS stock no. 173-0982
Mfr. Part No.M20-9773646
BrandHARWIN
R 10.898
Each (In a Bag of 200)
units
M20 2.54mm 36 1 Straight - - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass
RS stock no. 173-1043
Mfr. Part No.M20-9983645
BrandHARWIN
R 25.943
Each (In a Bag of 100)
units
M20 2.54mm 72 2 Straight - - Unshrouded Board to Board, Wire to Board Through Hole - - Solder Brass
RS stock no. 547-3166
Mfr. Part No.M20-9773646
BrandHARWIN
R 15.79
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
RS stock no. 484-1899
Mfr. Part No.39-28-1043
BrandMolex
R 8.274
Each (In a Pack of 5)
units
Mini-Fit Jr 4.2mm 4 2 Straight - - Shrouded Wire to Board Through Hole - - Solder Brass
RS stock no. 251-8092
BrandRS PRO
R 1.865
Each (In a Pack of 25)
units
- 2.54mm 3 1 Straight - - Unshrouded - Through Hole - - Solder Brass
RS stock no. 823-6547
Mfr. Part No.61201422021
R 23.85
Each
units
WR-BHD 2.54mm 14 2 Straight - - Shrouded Wire to Board Through Hole - - Solder -
RS stock no. 172-5276
Mfr. Part No.61201422021
R 16.022
Each (In a Tray of 132)
units
WR-BHD 2.54mm 14 2 Straight - - Shrouded Wire to Board Surface Mount - - Solder -
RS stock no. 251-8294
BrandRS PRO
R 8.066
Each (In a Pack of 10)
units
- 2.54mm 20 2 Straight - - Unshrouded - Through Hole - - Solder Brass
RS stock no. 535-5181
Mfr. Part No.640454-2
R 1.92
Each (In a Pack of 10)
units
MTA-100 2.54mm 2 1 Straight - - Unshrouded Wire to Board Through Hole - - Solder Copper Alloy
RS stock no. 765-6461
Mfr. Part No.TSM-103-02-L-DV
BrandSamtec
R 19.47
Each
units
TSM 2.54mm 6 2 Straight - - Unshrouded Board to Board, Wire to Board Surface Mount - - Solder Phosphor Bronze
RS stock no. 279-9213
Mfr. Part No.53047-0210
BrandMolex
R 7.252
Each (In a Pack of 5)
units
PicoBlade 1.25mm 2 1 Straight - - Shrouded Wire to Board Through Hole - - Solder Phosphor Bronze
RS stock no. 170-7104
Mfr. Part No.22-27-2051
BrandMolex
R 18,206.16
Each (In a Bag of 6000)
units
KK 254 2.54mm 5 1 Straight - - Unshrouded Wire to Board Through Hole - - Solder Brass
RS stock no. 161-5231
Mfr. Part No.640454-2
R 3,790.06
1 Box of 5000
Box(es)
MTA-100 2.54mm 2 1 Straight - - Unshrouded Wire to Board Through Hole - - Solder Copper Alloy
RS stock no. 484-1912
Mfr. Part No.39-28-1083
BrandMolex
R 19.708
Each (In a Pack of 5)
units
Mini-Fit Jr 4.2mm 8 2 Straight - - Shrouded Wire to Board Through Hole - - Solder Brass
RS stock no. 483-8499
Mfr. Part No.22-27-2051
BrandMolex
R 4.343
Each (In a Pack of 10)
units
KK 254 2.54mm 5 1 Straight - - Unshrouded Wire to Board Through Hole - - Solder Brass
RS stock no. 542-7270
Mfr. Part No.53261-0571
BrandMolex
R 15.906
Each (In a Pack of 5)
units
PicoBlade 1.25mm 5 1 Right Angle - - Shrouded Wire to Board Surface Mount - - Solder Phosphor Bronze
RS stock no. 167-1959
Mfr. Part No.53261-0571
BrandMolex
R 6,191.43
Each (On a Reel of 1000)
units
PicoBlade 1.25mm 5 1 Right Angle - - Shrouded Wire to Board Surface Mount - - Solder Phosphor Bronze
RS stock no. 670-1923
Mfr. Part No.43045-0418
BrandMolex
R 38.278
Each (In a Pack of 5)
units
Micro-Fit 3.0 3mm 4 2 Straight - - Shrouded Wire to Board Surface Mount - - Solder Brass