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7 votes
3 answers
6k views

What are markings on top of electrolytic capacitors?

I often see a marking like the following pattern on the top of radial PTH elcos. What does it mean? Is it an identification of the manufacturer?
stevenvh's user avatar
  • 146k
2 votes
1 answer
4k views

Surface mounted electrolytic capacitor markings

Is this 22 µF / 16V? General rule of thumb for these markings?
Murey Tasroc's user avatar
2 votes
1 answer
355 views

How to identify surface mount electrolytic capacitors?

Various surface mount electrolytic capacitors seem to have no consistent marking method. Here are some examples: (Image sources: 1, 2, 3) How can I identify what value and voltage rating these are?
JYelton's user avatar
  • 34.4k