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A green 2x20-pin dual male header strip on a white background

Adafruit

Adafruit 0.1" 2x20-pin Dual Male Header Strip

SKU CH-J4N9-C1SSA

A 2x20-pin dual male header strip for adding connections to 0.1" spaced PCB holes

  • TypePrototyping Products
  • Adds pins to 2x20 0.1" PCB holes with 2x20-pin strip male header
  • Pairs directly with 2x20-pin right-angle female header for board-to-board links
  • Break-away design lets you snap exact pin counts needed per project
  • Lightweight at 2.1 g adds minimal mass to portable builds
  • 1" pitch matches standard prototyping grids for plug-and-play use

Purpose and compatibility

This 2x20-pin dual male header strip adds pin connections to PCBs with matching 0.1 inch hole spacing. It is aimed at engineers and hobbyists building or extending prototype circuits on development boards.

Sustained-use behaviour

The header provides a reliable mechanical and electrical link for repeated insertion cycles during testing. Gold-plated contacts resist oxidation so signal integrity remains stable across long prototyping sessions.

Build and mounting

Weighing 2.1 g, the strip is made from break-away plastic that can be snapped to shorter lengths without tools. Its straight pin orientation suits vertical mounting and pairs directly with a 2x20-pin right-angle female header for board-to-board connections.

Punti di forza

  • Adds pins to 2x20 0.1" PCB holes with 2x20-pin strip male header
  • Pairs directly with 2x20-pin right-angle female header for board-to-board links
  • Break-away design lets you snap exact pin counts needed per project
  • Lightweight at 2.1 g adds minimal mass to portable builds
  • 1" pitch matches standard prototyping grids for plug-and-play use

Caratteristiche tecniche

TypePrototyping Products

Domande su questo articolo

Does the 0.1" 2x20-pin dual male header generate any heat or noise when used continuously in a prototype?

The header is a passive connector with no active components, so it produces no heat or noise during extended use.

What board or component must already have matching 0.1" 2x20 holes for this header to work?

A PCB with 2x20 0.1" spaced holes is required to solder the header into place.

Will this 2x20-pin strip mate with an existing 2x20-pin right-angle female header on my current board?

Yes, it is designed as a companion piece for a 2x20-pin right-angle female header.

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