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A custom-made 2×20 short female header designed for surface-mount (SMT) Raspberry Pi HAT designs. This header provides the slimmest possible profile when you...

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A custom-made 2×20 short female header designed for surface-mount (SMT) Raspberry Pi HAT designs. This header provides the slimmest possible profile when you need a low-clearance connection between your HAT and a Raspberry Pi.

While it requires SMT soldering skills (more challenging than standard through-hole headers), the result is a sleek, compact stack that's ideal for space-constrained enclosures and production-quality HAT builds.

Key Features

  • 2×20 Pin Configuration – Matches the full 40-pin Raspberry Pi GPIO header
  • Short Profile – Minimises the gap between HAT and Pi for ultra-slim builds
  • Surface Mount (SMT) – Solders directly to the PCB surface for a compact form factor
  • Raspberry Pi HAT Compatible – Works with Pi A+, B+, Pi 2, Pi 3, and later models

Ideal For

  • Custom Raspberry Pi HAT PCB designs
  • Low-profile enclosure builds where clearance is limited
  • Production-quality HAT assemblies
  • SMT prototyping and small-batch manufacturing

Specifications

  • Type – Female header, surface mount (SMT)
  • Pin Configuration – 2×20 (40 pins total)
  • Profile – Short
  • Compatibility – Raspberry Pi A+, B+, Pi 2, Pi 3, Pi 4, Pi 5

Package Contents

  • 1× 2×20 Short SMT Female Header

Jargon buster

Plain-language definitions for the technical terms used above.

GPIO
General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
Headers
Rows of connector contacts on a fixed pitch (commonly 2.54 mm) used to link a board to a breadboard, jumper wires, or another board. They come as male pin headers and female socket headers; when a module ships with pre-soldered headers it can be used straight away, whereas bare pads require soldering the pins yourself.
PCB
A printed circuit board (PCB) is a board, usually rigid, with etched copper tracks that connect electronic components together without loose wiring. Components are mounted on the board and signals route between them through the copper layout.
through-hole
A mounting style where the component leads pass through holes in a circuit board and are soldered on the other side. Through-hole parts are often easier to handle and solder by hand, which is useful for classroom and hobby projects.
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