On 26 Feb 2018 at 1:36, Bob Blick wrote:

> By mistake I put an electrolytic capacitor in backwards. A very
> generic 100uF, 50V cap exposed to 16V with the equivalent of about
> 700 ohms in series with it. It lasted about 30 minutes, then went
> off with a bang. You can maybe see the damaged heatshrink where the
> can hit an immovable object.=20
>=20
> Please note the scored cross on the top of the can. Isn't that
> supposed to split and protect me from its rapid self-disassembly?
> Yes, I was right there, close at hand, trying to figure out why all
> the voltages were wrong. Perhaps their die for the venting "X" was
> worn out after 20 million caps. I guess that's what I get when I pay
> USD 0.03 for caps off of Aliexpress instead of USD 0.11 at Digi-Key

Perhaps it's a matter of interpretation. The X means "not this end", and th=
e arrows=20
define the direction of thrust... ;-)

--=20
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