Quote:
Originally Posted by old_coot88
Since that boost diode's been replaced with silicons, be sure to monitor it (them) for overheating.
The original part being selenium, it could handle the fast retrace ("fly-back") spike whereas silicons lagged in fast-switching ability.
It might be worth asking somebody like Mouser or Digikey if they've got Schottky diodes in high enuff voltage rating. Or you could series 'em.
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Honestly, my Silvertone CTC-15 clone had to have it's Boost rect changed 5 years ago....Back then I used the same diodes to replace it, and those have been in weekly to daily use ever since without issue.....If they fail in the first 2 years of service I will be shocked.