Questions tagged [electrolytic-capacitor]
An energy-dense polarized capacitor type, used in low-frequency filtering applications.
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Determine the polarity of aluminium electrolytic capacitor
This question was inspired by this one: Determine Polaritry of Aluminum Electrolytic Capacitor.
I thought that the question would be on how to determine the polarity if there are no markings and the ...
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Determine Polaritry of Aluminum Electrolytic Capacitor
I have an NIC aluminum electrylytic capacitor and am trying to figure out which wire is positive and which is negative. Forgive me if this is a stupid question since I'm a total noob at this.
This is ...
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Why do some electrolytic capacitors increase in capacitance with age?
All in the title really; I've been repairing music equipment for years and replace electrolytic capacitors quite often. Many times I've measured the capacitance of an old cap and it will read double ...
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Will a capacitor of 10uf 250v work as good as a cap 10uf 50v?
what is the difference between electrolytic capacitors 10uf 250v and 10uf 50v?
if i connect it to my circuit with a 9v battery?
will the 250v cap work? or which is the most preferred for a 9v ...
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Substition of electrolytic capacitors in surface mount applications
I understand there are advantages and disadvantages against using electrolytic capacitors over others, such as ceramic, but from what I understand the main reason of choosing electrolytic caps is ...
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Will LEDs in opposing directions be damaged?
I was trying to build a simple RC circuit that causes an LED to fade in and out. However, I have electrolytic capacitors, which means that they have polarity.
If I connect a circuit as follows , is ...
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Can two electrolytic capacitors be made into a bipolar? [duplicate]
I know if you put an electrolytic capacitor backwards they explode and it's quite fun to observe them exploding. I am wondering if you can use two of them (and some diodes) to turn it into a bipolar ...
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Charge discharge curve of a capacitor, Arduino
I'm trying to visualize the charge discharge curve of a capacitor with Arduino. This is my curcuit:
simulate this circuit – Schematic created using CircuitLab
13 is pin 13 of the Arduino and A0 ...
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Electrolytic capacitors connected with one terminal only?
I've got an ordinary PC motherboard. So, out of curiosity, I started looking at the power circuits on it and found several large 1000–1500 μF electrolytic caps:
It's easy to see that their cathodes ...
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Recognizing good quality electrolytic capacitors
Too often we get / give the advice to replace all electrolytic capacitors on a PCB when it starts to malfunction (like in DVD player power supply circuit strange behavior. Need help to understand root ...
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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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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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