Thank you very much for your valuable suggestion!
We will solve it as soon as possible!
About small polypropylene capacitors
I am in search of SMALL polypropylene capacitors---a tall order, I suppose. I need 25 volt 4.7 uF, 10 uF, 22 uF caps with lengths UNDER 20mm, and hopefully lead spacing of no more than 10mm. I can't find any....maybe they don't exist. Anyone found these?