Capacitor question

myjaja

Diamond Member
Jan 24, 2005
3,357
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My cap is a 1.2 farad. Is their a big difference between a 1.2 and a 1.5 farad? Is a 5 farad a big difference from the 1.2 farad?
 

TuxDave

Lifer
Oct 8, 2002
10,571
3
71
Originally posted by: myjaja
My cap is a 1.2 farad. What's the difference between a 1.2 and a 1.5 farad? Is a 5 farad a big difference from the 1.2 farad?

1) The difference is 0.3 farad.
2) It's a little over 4 times 1.2 farad capacitor.
 

Wonderful Pork

Golden Member
Jul 24, 2005
1,531
1
81
Originally posted by: myjaja
My cap is a 1.2 farad. Is their a big difference between a 1.2 and a 1.5 farad? Is a 5 farad a big difference from the 1.2 farad?

A 5 farad vs a 1.2 farad is a huge difference; depending on the application 1.2 v 1.5 may be acceptable but you should put in the correct cap if possible.
 
Nov 3, 2004
10,491
22
81
No, I'm assuming it's a power resevoir cap? I dunno just exactly what your system needs are, but I suppose less capacitance = less bass, at least with headphone amps
 

Vegitto

Diamond Member
May 3, 2005
5,234
1
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Originally posted by: Analog
I have a 5000 Farad (yes FARAD) capacitor. Its used in regenerative braking.

Dude, awesome! And here I was with my 40 (I believe) picofahrad cap for a little something to connect my guitar to my mic-in.
 

Sc4freak

Guest
Oct 22, 2004
953
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0
Where the hell do you get such huge capacitors? I've yet to use a 1 millifarad cap, much less a farad.
 

JohnCU

Banned
Dec 9, 2000
16,528
4
0
let me dig deep into equations i haven't used in a while...

first, the capacitance, C, is = Q/V. That's charge divided by voltage. so let's say at 1 F you could hold 1 C of charge at 1 V. 1C is a hell of a lot of charge.

the most common size for capacitors is micro- or millifarads. So i'd say there is a pretty big diff between 1.2 and 1.5 and an ass ton between those and a 5F capacitor.
 

cavemanmoron

Lifer
Mar 13, 2001
13,683
58
91
While your driving;
turn the stereo down so you can hear the Fire Truck siren,
they might be on the way to your Mom's house.Or mine.
 

Pepsi90919

Lifer
Oct 9, 1999
25,162
1
81
Originally posted by: cavemanmoron
While your driving;
turn the stereo down so you can hear the Fire Truck siren,
they might be on the way to your Mom's house.Or mine.

:confused:

you're [randomly] saying that a fire truck he sees in texas is on its way to new york?
 

cavemanmoron

Lifer
Mar 13, 2001
13,683
58
91
Originally posted by: Pepsi90919
Originally posted by: cavemanmoron
While your driving;
turn the stereo down so you can hear the Fire Truck siren,
they might be on the way to your Mom's house.Or mine.

:confused:

you're [randomly] saying that a fire truck he sees in texas is on its way to new york?

I lived in Texas once. LOL.

I meant for anyone whose car is on the road,
to be aware, that if the radio/music is so loud that you can not hear
car horns, sirens, it can be a problem.

Yes; when I was 18 i had the music cranked in my car too.

{Maybe thats why my hearing is not the best now?? ;)}