All Questions
Tagged with electrolytic-capacitor ceramic
16
questions
0
votes
1
answer
28
views
Multiple smaller capacitors on power rail for NeoPixel / WS2812B strip
I read in the AdaFruit guide that a 500-1000uF capacitor is recommended on the power rail.
However, electrolytic capacitors in this capacitance are quite large. Depending on the length of the strip, ...
- 101
0
votes
1
answer
141
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Can you replace ceramic or tantalum capacitors with aluminum electrolytic capacitors?
I have a question about the hookup for my 12VDC to 5VDC step down module - the K7805JT-500R3.
It states in the datasheet that ceramic capacitors are what can be used but it also states that tantalum ...
- 783
1
vote
1
answer
103
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How to visually distinguish metal film and ceramic capacitors (leaded)?
This question only involves the leaded components.
Electrolytic capacitors are each to recognize since they are usually in cylindrical cans. However, I am not sure about distinguishing the other two ...
- 749
2
votes
3
answers
141
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What is the result of wiring an electrolytic cap in series with a ceramic when parallel was intended?
FINAL UPDATE A reassessment of my power consumption has led me to the solution to all of my problems. I picked up a 5V, 5A power supply (giving me plenty of overhead), reassembled my project, and it ...
- 123
1
vote
1
answer
121
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I have a height problem (with my switching regulator on a height constrained PCB)
I was planning to use this part (datasheet) (basically MC34063 with thermal shutdown,) but I don´t have enough room above the PCB.
I need to keep the components under 2.2mm.
According to my ...
- 31
0
votes
1
answer
68
views
Decoupling capacitors - placement close to DC output
I have a general question regarding the placing of decoupling capacitors.
Example at DC Vout of SMPS or LDO regulators. Does it really matter which capacitor out of 100nF, 1nF and 10uF is placed ...
- 59
15
votes
1
answer
1k
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Why do some devices use electrolytic capacitors instead of ceramics for small value components?
I've recently run into a number of consumer-grade devices that use 50v, 0.22uF electrolytic capacitors, as well as other similarly rated parts, all below about 10uF. In use, the voltages on them are ...
- 153
2
votes
3
answers
495
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Capacitors for 7805CV?
I have some questions about using capacitors with an L7805CV
According to the datasheet, on page 4, it shows I need:
C1 = 0.33 uF
C0 = 0.1 uF
I bought a few sets some time ago with 'common' values ...
- 14k
0
votes
3
answers
164
views
Unpolarized Capacitors in place of Polarized ones
I have found some projects of interest, and on them there are generally a polarized capacitor in the range of 10 multiple (0.1uf, 1f, 10uf, 100uf, etc), and I do not know why I ordered a lot of ...
- 1
3
votes
3
answers
5k
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AMS1117 33 sot223: is it ok with ceramic capacitors?
This is the datasheet of voltage regulator that I would use:
http://www.advanced-monolithic.com/pdf/ds1117.pdf
Is it possible to exchange that 22uF with an equivalent (or larger) ceramic instead of ...
- 303
4
votes
1
answer
283
views
LM2664 can I use the ceramic capacitors instead of the electrolytic ones?
I need the negative voltage for my OPAMP and I use the LM2664 inverter. I have a very limited space available on my PCB. Is it OK to replace the electrolytic capacitors with the ceramic ones?
- 2,594
3
votes
2
answers
888
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Radically different behavior between ceramic and electrolytic capacitors in electret microphone circuit
I've been trying to set up a microphone circuit for use in an AVR, essentially just to detect levels of noise. I observed some strange behavior in the amplified circuit I set up, so i elected to strip ...
- 31
2
votes
1
answer
14k
views
Can I replace a non-polarized electrolytic capacitor with a ceramic disc capacitor? [closed]
I need to replace a non-polarized electrolytic with a ceramic disc capacitor, can I do that? If not, is there other ways to replace it?
0
votes
1
answer
153
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Why don't we use capacitors containing multiple kinds of dielectric in a single package?
I know that it is common in DC regulators to use both a high capacitance electrolytic capacitor and a low capacitance ceramic capacitor in a parallel, in order to maintain sufficent capacitance over a ...
- 747
4
votes
2
answers
440
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MAX682 with electrolytic capacitors
In a new design I would like to use the MAX682. In the datasheet I found this typical operating circuit:
I would like to use it exactly like that except that I'm going to pull /SKIP to GND.
In table ...
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