Quality Oupiin 3012 series PCB mount boxed header with 50 pins. 2.54mm (0.1″) pin spacing. Available in either straight pin or 90-degree pin versions.
PCB mount boxed header with 60 pins. 2.54mm (0.1″) pin spacing.
A square notch (key) in the shroud prevents placing the connector (polarised by a “bump” on one side) the wrong way around. Some are available without the square notch cutout.
Normally pin headers are through-hole devices (THD / THT), but surface-mount devices (SMD / SMT) exist too. In the SMD case, the solder side of the pins is bent on a 90-degree angle so as to be soldered to pads on the PCB. On single row SMD headers, the pins are bent alternating to one side or the other, on dual row SMD headers the pins are simply bent outwards. If pin headers are optional, the THD variant is often chosen for ease of manual assembly.
Headers can be either straight (vertical) or right-angle, the latter form is sometimes used to connect two PCBs together horizontally.
Most often, headers are available in one or two rows, though three or more rows are available from some manufacturers.
They are often sold as long strips (typically 36 / 40 / 50 pins) which can easily be cut apart to a required number of pins. Many pin lengths are available to minimize labour during PCB assembly.
Development Resources: demo codes, schematics, datasheets, etc
1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual colour of the item because of different photographing light, angle and display monitor.
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