Questions tagged [electrolytic-capacitor]
An energy-dense polarized capacitor type, used in low-frequency filtering applications.
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Verifying my capacitor calculation
I just received in the mail a 0-60 V power supply that has the capability of outputting 24 A. I needed a high-voltage, high-current power supply to help design and test high-powered LED arrays for ...
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Where does the Step-Down Convertor used as compare to RECOM DC/DC converter?
I am reading Step-Down converter and given the circuit below, which is a step down converter. It consists of a MOSFET, inductor, diode, capacitor
And if I compare it with RECOM component DC/DC ...
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What do 'L2' or 'L3' marking codes on electrolytic capacitors mean?
I see a lot of these mysterious marking codes on very old (e.g. 1980) capacitors by different manufacturers.
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How important is capacitor life span? [closed]
As above.
I am deciding between 3 capacitors. I need 6 capacitors arranged in 2 banks with 3 capacitors in parallel each for a V+/V- unregulated power supply for an audio amplifier.
Capacitor 1: ...
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Simple rectifier circuit fails under load
I have a problem with a simple rectifier circuit that is designed to drive a DC motor. The motor is part of a ripple tank for a high school physics lab.
The input to the circuit is 12 VAC from a bench ...
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How to calculate capacitor's Power Rating?
How to calculate capacitors power rating (in watts)? or is there any ? i am designing a circuit to filter out noise signals i am not sure about power ratings of capacitor(electrolytic) .
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Connecting electrolytic capacitors in series to increase maximum voltage
I need to use a capacitor in a DC circuit where it would store somewhat higher voltage (hundreds of volts). The cheapest way to do that (in my case) is to connect multiple electrolytic capacitors in ...
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Reusing electrolytic capacitors?
Is reusing an electrolytic in a different circuit OK?
Is the heat from desoldering liable to change the caps performance?
Likewise going from lower operating voltage to higher, and vice versa?
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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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Electrolytic capacitor with zero bias
This is a very common trick used in many audio amplifiers with an op amp topology to minimise the output offset by creating a unity gain for DC. Usually the electrolytic capacitor sits on the ground ...
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Is it possible to replace the electrolytic capacitor in a full wave rectifier bridge with a ceramic capacitor?
Why do we use electrolytic capacitors in full wave rectifier bridges? Is it because we can have huge capacitance with electrolytic type or is it because the output is DC voltage where polarity is a ...
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Circuit won't blink, and probably can't. Or can it?
I have tried to understand the simple circuits in the questions Intuitive and iterative approach to understanding of blinking LED circuit and Changing the frequency of a flashing LED. I've built them ...
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What could be the cause of a limit in the voltage supplied to a capacitor?
Recently I built a very basic 2-stage coil gun for a school project. Each coil was powered by an electrolytic capacitor. In order to charge the capacitor, the coil connected to an IGBT (insulated-gate ...
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Electrolytic capacitor and AC
I'm doing an experiment to investigate the relationship between frequency and capacitance. The experimental setup is to connect an aluminum electrolytic capacitor to a function generator and use an ...
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How to recognize 105° C rated electrolytic capacitors?
If there is no explicit working temperature printed on the body of the capacitor can we assume is always 85°C?
I have to replace a few of 1980s capacitors (manufactured by ROE, Frako, and Philips), ...