Questions tagged [electrolytic-capacitor]
An energy-dense polarized capacitor type, used in low-frequency filtering applications.
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Should electrolytic capacitors get hot?
I'm a beginner at electronics, and I'm wondering slightly...
I've bought electrolytic capacitors, and I'm attempting to charge them with a 9v battery. They seem to be running quite hot, too hot to ...
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Help with figuring out asus motherboard capacitor values [closed]
I have dented capacitor on my mobo which creates short...
I need to replace it but i am having tough time figuring out which one it is.
First Line : FP
2nd Line : 22Dx
3rd Line : 10 1
4th line : ...
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What direction to place electrolytic caps for AC coupling?
If using polarised electrolytic caps in an amplifier circuit as shown below,
Does it matter which way round I place the caps? If so, why?
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Replacing (and perhaps upgrading) bad capacitors within a speaker system? [closed]
A few months ago the volume of the left speaker of my pair of low-cost audio monitors began slowly diminishing. Every day it seemed to lose a fraction of it's normal operating volume until the speaker ...
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Why does an ideal capacitor give rise to a rectangular cyclic voltammogram (CV)?
Many scientists are interested in developing supercapacitors, which have electrolyte rather than solid dielectric between the charged plates. In the field of electrochemistry, cyclic voltammetry (CV) ...
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Polarity of unmarked smt electrolytic capacitor
I have a kit with three capacitors, described in the parts list as "10uF 25V SMD 1206" and shown on the circuit diagram as polarised (an open rectangle and a filled one). Seen through the transparent ...
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Capacitor in series and parallel to diagnose APC Smart UPS 1000VA
Brother having APC Smart UPS 1000VA and I noticing high pitched buzzing noise coming from UPS: I think it from power filter capacitor - tall one you see on LHS of picture:
(Picture all sourcing from ...
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Diagnosing cause of electrolytic capacitor failing
I am hoping somebody could help me diagnose the cause of failing electrolytic capacitors in a circuit. The context is a charger circuit, more specifically its power supply unit:
Given a diode bridge ...
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How to remove remnants of a capacitor pin?
I want to replace swollen capacitors on a motherboard. Unfortunately, when removing one of them, a fragment of a pin has stuck in the PCB:
I tried to remove it using pliers, but it only made the ...
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Capacitor self resonance in a buck converter
I'm building a 5 V regulator for a PCB, and I was reading through the datasheet and Wikipedia to make sure I was doing it right.
What baffles me is that the regulator switches at 150 kHz. ...
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Footprints for SMD electrolytic capacitors
Does Altium Designer Summer 09 has footprints for SMD electrolytic capacitors? If so, where can I find them?
I've noticed the dimensions of these type of capacitors are given in diameter x height. ...
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Can you make a non-polar electrolytic capacitor out of two regular electrolytic capacitors?
There was some discussion on this question
What are some reasons to connect capacitors in series?
What are some reasons to connect capacitors in series?
which I don't see as being conclusively ...
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Do electrolytic capacitors have a limited shelf life?
Do electrolytic capacitors have a limited shelf life? I would like to know for both aluminium and tantalum.
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What are markings on top of electrolytic capacitors?
I often see a marking like the following pattern on the top of radial PTH elcos.
What does it mean? Is it an identification of the manufacturer?
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