DO-204AA (DO-7) Component Package

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A photo of the DO-7 (DO-204AA) component package.

A photo of the DO-7 (DO-204AA) component package.

DO-204AA (commonly known as DO-7) is a 2-lead through-hole SMD package. Before the advent of surface-mount technology, DO-204AA was a common package for diodes. It is a hermetically sealed glass package1.


  • DO-7: Older JEDEC name1 2.
  • DO-204AA: Newer JEDEC name2.

Similar To


  1. Microsemi Corp. 1N957B thru 1N992B DO-7 - Silicon 400mW Zener Diodes [datasheet]. Retrieved 2024-04-11, from↩︎ ↩︎

  2. Wikipedia (2024, Mar 7). DO-204. Retrieved 2024-04-09, from↩︎ ↩︎


Geoffrey Hunter

Dude making stuff.

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