Hello All,
Been thinking of using a pair of 3B28 tubes to rectify an output voltage to
around 450VDC. That value is above the critical anode voltage value of 50V, so
that should not be a problem. Current is less than the 500mA max listed in the
table. With the output voltage far lower than the ~1000V values listed in the
table, I think these things would not even break a sweat.
Two questions for the experts:
1. Any issue seen operating arund 450VDC?
2. The tubes have a sticker on the base with a warning regarding x-rays. Why
is there a warning on the tube base but nothing shown on the data sheet?
I had no idea these would present an x-ray risk based on what I saw (and did
not see) on the data sheet, so I picked up a pair. Perhaps this my learning
experience for the week.
Have a great weekend!
Best Regards,
William
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