Are you sure that cap is a tantalum one?
It should be an aluminum organic polymer capacitor
I'm not sure what you are searching for...
1) another option to let it explode is short circuiting Vin with 5V but it explodes only if Vin is>12V2) For the next release [...] will add an extra zener for protection and also a polyfuse
I gave power from a Yuasa SW280 12 V battery and it was on fire and the same moment of connecting.
Hey Santi, I bolded the likely source of your problem, at least on the second time. Most fully charged 12V batteries will actually be closer to 12.6V! This might have been high enough to blow the capacitor if what I read was correct.
I have no idea, but I supposed a possible malfunction of the regulator for voltage higher than 12 V
There's really only two options for the board:Replace the 6.3V Rated Part with a 10V Rated part. This may not be possible given the capacitance value.Replace the part with a Polymer. Again, limited by the cap value (the largest 6.3V Polymer I know of is 1500µF).
Is there some reasonable combination of capacitors that could perhaps be installed in parallel somehow?
Pardon my noob-ness, I don't know much about different capacitor types
Is there any reason, other than form factor, that we couldn't use an aluminum electrolytic for this purpose?
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