Questions tagged [electrolytic-capacitor]
An energy-dense polarized capacitor type, used in low-frequency filtering applications.
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Electric capacitors instead of earthing electrode
I'm going to make a partial EM-shield (using aluminum) for my 3G USB (2.0) modem, and I need to "ground" electricity from the surface of that shield.
Daily worktime for that 3G modem is ...
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Polar capacitors and a lack of jargon
Today I found myself wondering something about capacitors, and though my first reaction was to turn to Google, I also discovered that I don't know how to word my inquiry without getting ten thousand ...
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How to rectify and smooth a high frequency sinewave
I'm working on an experiment that generates a high frequency sinewave using an air core transformer.
How can I rectify and smoothen this high frequency sinewave because most of the high current ...
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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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Speaker protection circuit with polarized capacitor seeing reverse voltage. Why? How?
I am looking at this speaker protection circuit found in a vintage Technics receiver.
The signal from the speakers comes from the wire highlighted in green, coming from the output of a class AB power ...
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If I added a Capacitor to this circuit would it charge both and would the charge led still work?
If I were to add a second capacitor to this circuit of roughly the same capacitance (120uf). Would this circuit charge both up completely, and would the LED still accurately depict if the combined two ...
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power board regulator/resistors [duplicate]
could someone please tell me what the value of the three resistors in circle
(R1) 1 orange,orange black,gold
red,red,black,gold and the same for the third
(R2/R3)second the grey resistor
(R28) ...
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How to size a capacitor?
I want to design a PCB with some ICs and I've read that it's recommended to use decoupling capacitors to filter out voltage spikes. There are three ICs on the PCB: Arduino NANO, nRF24l01 module and ...
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do I need a current source to load an electrolytic capacitor? [closed]
I am working with an electrolytic capacitor of 10 000 uF. To load it, do I need a voltage or a current too ?
are there charges from my voltage source ? Or is it only in the ceramic capacitor case that ...
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How does electrolytic capacitors work?
Basically I am interested about the polarity of an electrolytic capacitor.How is the polarity of an electrolytic capacitor is defined and what if I reverse the polarity in a simple circuit containing ...
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How much work/power is 1 Joule of energy capable of doing? [closed]
I ask this question because of this question Is .95J worth of work within 1 second Equivalent to .95W of Power? It is not the same question and it's completely different because of the included ...
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Blowing up capacitors with a 9v battery [closed]
Hello, I have a 9V battery I would like to blow up some capacitors with; currently I have 6.3v 180uF capacitors that don't seem to blow up at least in a good time(I'm aiming for <5 seconds), they ...
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Why start and run capacitor is used and explain it operation?
What for start and run capacitor used in induction motor why it is not replaced for compensated winding in the motor and why run capacitor is different from start capacitor
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How to slowdown capacitors discharge in simplest circuit [closed]
I charge a capacitor rated 47uF @ 400 v in minute or so it charged up to 230 - 250 volts. However when connected to the a small motor it charges instantly and the motor spin in just brief moment. My ...
