Electronic – Solderless breadboards: standard size specifications

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Are there standard sizes for solderless breadboards?

For example, My teaching project is currently reaching the capacity limit of a 170 pin (17 x 10) breadboard. Is there a standard "next size larger" I can specify?

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Best Answer

There are various de facto standard sizes.

Tiny (170 tie points)

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Half-sized (400 tie points)

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Full-sized (830 tie points)

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Larger (with or without doubled power rails)

Double, double rails Quad, single rails, double rails along top

Note that spacing from breadboard to breadboard over a single rail is 700mil.

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