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Double-checking a capacitor-value
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Just to be safe, is C4 a 25pF mica capacitor with 5% tolerance? I suspect the capacitor itself is okay, but the legs are fatigued almost to the point ot snapping. There are four capacitors in total, marked as: 82J CD, 91J, 250J CD, and 27J CD. I'm assuming 82pF, 91pF, 25pF, and 27pF respectively... not sure what the CD means

https://picallow.com/mica-capacitor/?usp_success=2&post_id=349345&form_id=27

Since I have to replace a broken transistor on the same board, I figured I would order all new caps while I'm at it. As a side-question, this is on an old IDE controller in a 386. Do you think it would be safe to replace the mica capacitors with ceramic? There's a huge difference in price.

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5 months ago