In Reply to: RE: More questions regarding voltage regulator tubes posted by vetmedrobert@gmail.com on August 6, 2017 at 09:47:20:
Chassis mount resistors are garbage in terms of the power they can actually dissipate. I'd recommend reading the entire datasheet on a well documented one like the big Vishay/Dale ones. You'll end up seeing a chart of what they can handle without a chassis, and at some point you should also end up seeing what they consider a "chassis", which may be a 12"x12" piece of aluminum 1/4" thick.
Xicon has some 25W wirewound resistors that aren't too expensive and are easy to find on Mouser.
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Follow Ups
- RE: More questions regarding voltage regulator tubes - Caucasian Blackplate 10:02:05 08/06/17 (0)