[R-390] O.T. Miniature Electrolytic

[Shoppa, Tim]

> I recently ran across a miniature electrolytic capacitor shaped like a bullet.
> The capacitance and voltage rating were marked, but the polarity isn't.
> Am I correct in understanding that the pointed end is plus?

Yes, pointy end is plus. Modern axial solid tantalums still use this style.

Any electrolytic (or "wet tantalum") in a metal bullet case... may very well be several decades old now.

Tim.