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In Reply to: RE: What's the difference between K75-10 and K75-10B posted by vbenonisen on May 02, 2017 at 05:05:40
In the name of curiosity I've cut one 2.2uF/250V K75-10 and one 0.22uF/500V K75-10B open for investigation. Both had a little oil impregnated paper directly under the steel can. This was followed by polyester and finally metalized polyester under that again. It would be wrong to call them hybrid capacitors (like the old Sprague "Difilm" variety). The K75-10's are just metalized polyester capacitors. Plain and simple. At least mine are.
Follow Ups:
metallized paper.
I stand corrected. I checked it just now. You can rip the metalized paper very easy. Sorry for spreading misinformation.
In fact I could not figure from Russian sources where the metallization is in K75s - on polyester or on paper. Thanks to your research, we now know it is on the paper.
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