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Does anyone know what this is?

ivak245

Jun 11, 2021
107
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Jun 11, 2021
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107
Something more for me to learn. Btw, there are so many knowledgeable people on these forums. How did everyone learn all this stuff??? Are they electrical engineers? Formal technicians?or just learn from books and trial and error/persistence? I eventually want to be more proficient and just wondering how these people achieved their level of knowledge.
 

ivak245

Jun 11, 2021
107
Joined
Jun 11, 2021
Messages
107
Mistakes and smoke! Learn from your mistakes, and try to keep the smoke in the circuit.
 

Knife

Jan 15, 2022
9
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Jan 15, 2022
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9
Any idea on deciphering the parameters on this capacitor and maybe a manufacturer?
IMG_3061 (1).jpg
 

Externet

Aug 24, 2009
891
Joined
Aug 24, 2009
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891
Perhaps 4700 pF±20% ; 2250VAC 'Y' ; 1400VAC 'X'

The answer you ask for is mostly "mileage" = Decades of daily activity in electronics, from past, present and future engineers and technicians, learned the hard way reading and collecting books, burning fingers with solder, not simulators, not the easy web...


754px-Fixed_capacitors_overview.svg.png
 
Last edited:

Externet

Aug 24, 2009
891
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Aug 24, 2009
Messages
891
See, Knife ?
Everyday there is a chance to goof and learn ! Then you think... Why didn't the manufacturer marked instead, "250~Y2" and "400~X1" to avoid error reading ?
 

Knife

Jan 15, 2022
9
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Jan 15, 2022
Messages
9
Nevermind. Figured it out. Sorry. Safety ceramic disc capacitor. 4700 picofarads, x1=400 vac, y2= 250 vac I think.
 
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