Electronics > Projects, Designs, and Technical Stuff
Distinguishing ceramic from film capacitors electrically?
mcovington:
OK, the ones I'm curious about are the blue ones here. (These are two from the same batch, showing both sides.) The red one is obviously film.
The blue one looks a lot like a Murata ceramic capacitor, but I can't find "A5K" in the catalogue.
Yansi:
MLCC ceramic.
schmitt trigger:
Agree, MLCC ceramics with leads.
mcovington:
How do you know?
BTW, I just did some testing. Temperature stability is good (capacitance is down 1% when heated too hot to touch with a hot air gun) and there is no appreciable leakage even at 600 volts.
Can anyone identify the manufacturer?
schmitt trigger:
As mentioned previously, a hunch based on volumetric efficiency.
But could be wrong.
But if you are willing to sacrifice a device in the name of knowledge, cut one in half.
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