Capacitor Polarity - Collin’s Lab Notes #adafruit #collinslabnotes
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Get capacitance at Adafruit:
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Some capacitors are picky about how they’re connected - others are downright explosive #adafruit #collinslabnotes
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@rpavlik1 2 роки тому
Tantalum caps go boom... They're also made from minerals with dubious supply chains, so some folks will go to lengths to avoid designing with them.
@xxportalxx. 2 роки тому
Not really possible in modern design, hard to match the form factor of a tantalum for compact smd designs.
@thunderb00m 2 роки тому
@@xxportalxx. yes but doesn't mean that's your first choice, it's the last resort.
@xxportalxx. 2 роки тому
@@thunderb00m they're a last resort due to cost anyway, they are only used bc of the formfactor (they do have a bit of a reliability boost over electrolytics too), which currently can't be beat, so there's a large range of applications where they're the only option. End of discussion.
@dandearman2871 2 роки тому
I used to test circuit boards at NCR when they came off of the assembly line and learned to check first for any capacitors or ICs that were in backwards because they would sometimes explode when the board was powered up.
@garrylove8955 2 роки тому
My current college project is using tantalum capacitors. I installed them backwards not realising they're polarised. Thanks for this video, you stopped me from blowing up my board
@October-TE Рік тому
Close call man
@mrfduckers.45k 2 роки тому
funfact: capacitors can be LED's if you try hard enough
@October-TE Рік тому
Only for a breif period of time though lol
@Sagnad8 2 роки тому
Love these shorts from Collin! ❤️
@whatfireflies 2 роки тому
I love these shorts! One Collin's short a day keeps ignorance at bay!
@RobertCondonSunnyTurtle 2 роки тому
electrolytic caps go bang very loudly when plugging I the wrong way.
@Epsicronics 2 роки тому
I guess you could say they throw a... Tantrulum?
@jokeeffe007 2 роки тому
Very important info. Thank you! Great content :)
@branbroken Рік тому
So just going to ignore film capacitors, which are just as common as the 3 mentioned, even often a replacement for tantalum caps as they are durable and more cost efficient than the expensive rare metal tantalum. They are also, like ceramic caps, generally non polarised.
@catchmypoint6756 2 роки тому
These short videos are very interesting
@SimplyV3rna 2 роки тому
Electrolytic does not do well with reversed polarity. The bigger the cap and the higher the voltage, the bigger the bang.
@mike0rr 2 роки тому
Everyone has to let the blue smoke out eventually.
@assassinlexx1993 2 роки тому
Thanks man for warning about the possibility of releasing magic blue smoke.
@ciupanezubogdanel Рік тому
"if you plug an electrolitic backwarda.. It usually just doesn't work as well" ElectroBOOM wants to know your location :-/
@Lucas-dq7sf 2 роки тому
Never even heard of tantalum ones nor seen them in any tech or in videos interesting
@ZaidAhmad-rp1ro 2 роки тому
What is that music Name?
@DadsDeerTrailCam Рік тому
Why are some caps polarized?
@user-bi4xo6kn3v 3 місяці тому
Use the Radio.
@chrismello6178 2 роки тому
Flux capacitor
@askme8592 2 роки тому
If you put a 10v electrolytic on a wall power cord it pops like a firecracker. Its fun to slip it between someone's feet and set it off as a prank lol
@__lasevix_ 2 роки тому
Ah yes, I will be sure to have a stripped extension cord and a 10v capacitor handy at parties
@franklofarojr.2969 Рік тому
@@__lasevix_ And an AED also.
@machiii7394 2 роки тому
Trantalum...
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