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Questions tagged [ceramic]

A kind of capacitor where ceramic material acts as a dielectric. They have less volumetric efficiency than electrolytic capacitors.

3 votes
1 answer
635 views

Ceramic capacitor value for an LM386N project

I am adding an LM386 to a music project and follow the guidelines in the datasheet: My Vs is 4.7 V. My Vin comes straight from a 12 bit DAC of a Cortex M3 MCU and goes from 0 to 3.3 V. Pin 7 is ...
ensonic's user avatar
  • 165
10 votes
3 answers
1k views

If temperature is not an issue, what can be said about the different ceramic dielectrics

Let’s assume we have a circuit whose operating ambient temperature range is well-regulated to 25+-5C. Besides cost, what would be the use cases for the different ceramic dielectric types? In other ...
Edgar Brown's user avatar
  • 8,476
0 votes
1 answer
134 views

Snubber capacitor VAC handling by frequency of C0G?

I'm looking for a suitable snubber capacitor (220 pf) for a boost converter. The semiconductor manufacturer recommends some ceramic capacitors for this http://www.mouser.com/ds/2/212/...
user103776's user avatar
0 votes
1 answer
180 views

Decoding Ceramic Capacitor

How could I decode this capacitor? MEXICO is written on the other side and it's in a speaker.
user9847951's user avatar
0 votes
2 answers
928 views

Replacing radial fuse with ceramic/glass fuse

Is it possible to replace a radial fuse T5A 250V with a Glass or Ceramic Fuse 5A 250V? It's for a power supply for a LED TV.
nadh_d's user avatar
  • 1
6 votes
3 answers
3k views

Help Identifying/Decoding Ceramic Capacitor

I am having a difficult time identifying a high voltage, ceramic capacitor that I need to replace. I've tried at length to research this myself to no avail. I am hoping that someone out there can help ...
Gordon Thompson's user avatar
0 votes
4 answers
229 views

Capacitance decay of SMD ceramic capacitors

I want to use a 330nF X7R ceramic capacitor for an analog circuit. Obviously the capacitance value is very important for the correct working of the circuit. I haven't found on the datasheet if these ...
MatD's user avatar
  • 47
1 vote
1 answer
657 views

Does voltage rating increase on ceramic capacitors have any effect on the performance of the capacitor? [duplicate]

If I have a circuit that is designed for a ceramic, SMD, 0402, 1uF, 10%, 10V rated capacitor, and I swap in a ceramic, SMD, 0402, 1uF, 10%, 25V capacitor would anything change in the circuit? Would ...
Reid's user avatar
  • 2,040
0 votes
0 answers
310 views

Ceramic capacitors in series to increase AC voltage rating

If I put 4 of 1uFx100V cercaps in series I will virtually have one .25uFx400V capacitor. As I know I should use balancing resistors for even distributinon of the voltage across the capacitors. ...
Roman Matveev's user avatar
13 votes
2 answers
3k views

MLCC - Can I use high voltage rated caps for very low voltage scenarios?

Is there any important reason why I can`t use high voltage mulilayer ceramic capacitors for low voltage scenarios? For example 50V or 100V rated MLCCs for 3.3V DC applications? I have bad eyes, and ...
HeliTux's user avatar
  • 195
0 votes
2 answers
105 views

What kind of components are these (2)?

What kind of components are these? It shows: GA 62A And a symbol Does anybody know what specs these can have? (note: updated the question since they were not capacitors).
Michel Keijzers's user avatar
0 votes
1 answer
119 views

What ceramic capacitor is this?

I'm almost sure this is a ceramic capacitor, but I have trouble finding its characteristics. The first picture is the top side, the second the bottom side. The first shows: 120G (or 12OG) and an F. ...
Michel Keijzers's user avatar
2 votes
2 answers
176 views

ceramic capacitance value

I am trying to figure out how to read the nominal value of this capacitor. When I use a meter it reads 3.4nF. I have several caps that have the format of .00X where X is an integer. Not sure how ...
Jay's user avatar
  • 63
1 vote
1 answer
1k views

Selecting DC Blocking Capacitors for GPS, LoRa

I am designing a transmitter and receiver part of LoRa and GPS. It requires DC Blocking capacitors. I was looking for capacitor over digikey and I am amazed most of the manufacturer haven't specified <...
abhiarora's user avatar
  • 962
3 votes
3 answers
438 views

Heat Conduction from ceramic resistor to iron rod

I'm trying to conduct a thermal conductivity test. I've set up an experiment where I take a rod of a given material (steel, for example), measure its cross section, length, extreme temperatures and ...
SanM's user avatar
  • 31

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