Rewindability will depend on construction but some will be able to be rewound. Im planning to salvage some of the connectors and other components inside like the capacitors speakers wires and any other components that you are needing.
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There may be beryllium oxide ceramic present in the magnetron tube.
Where to salvage high voltage capacitors. I have pots and mag wire for winding inductors and a nice spectrum of fixed value capacitors but i have no high voltage parts nor variable parts. Crt monitors are good for salvage but beware that stored high voltage charge on the crts aquadaq coating. Laptop power supplies are typically rate in the 50 100 watt range with cores liable to be suitable.
High voltage transformer dangerous high voltage capacitor and diode. Places where i can buy this kind of capacitors for a small amount of money which do ship in europe. I disassembled a 2500lb server room ups and got tons of cool stuff and quite a bit of scrap metal money but amazingly only a small bridge rectifier and the gargantuan capacitors from it are high voltage but low uf.
Im looking to start building various antenna tuning circuits but im limited by my parts inventory. I did score a few small 15000uf capacitors that might work but they are iffy at 35v. I am looking for capacitors with both a high voltage rating and a large amount of capacitance.
Ive seen one thats been off and unplugged for a week throw a quarter of an inch spark about 20kv or so. I start by showing a few different high voltage capacitors ive made over the years followed by an explanation of how denser electric field causes. Where does one find high voltage variable capacitors and inductors for rf.
Any discarded electronic equipment can yield a reasonable number. But be careful older tvs and crt monitors have high voltage picture tubes inside. Make sure you discharge high voltage capacitor prior to salvage if you do not know how to do this find out first.
In this video i salvage an old photo copier for some interesting parts. To prevent electrolytic capacitors from degrading in storage is it necessary to hold a voltage on the capacitor at or near the voltage rating. Their is a nice high voltage transformer i will be using the high voltage supply for my marx generator in an upcoming video.
The total bank contained 8 1000uf 385 volt capacitors i would like to get at least half of this out of my replacement bank so does anyone know. I had a vision of you rummaging through a compost heap looking for compositors. Good magnets in the magnetron tube warning.
How to make diy high voltage capacitors. As well as pc type main power supplies there are a vast number of other power supplies available that have cores that may suit.
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