Sjouke Burry wrote:

On 02.06.19 17:57, Cursitor Doom wrote:

Gentlemen,

What are the typical average/maximum operating temperatures of a full
wave rectifying tube/valve? Is it normal for them to become too hot to
touch after only a minute or two?
I'm talking specifically about the 5Y3GT in this context.




Draw a lot of current and you get a lot of heat.

Dont want the heat?
lower the current, or use bigger components and cooling.

Just a little nit-pick he

You will get exactly the same quantity of heat (energy) if you use
bigger components and cooling - but you will get it at a lower
temperature.

This leads to the curious situation that if you need to dissipate a lot
of energy, it should be possible to do it in a smaller space by using
valves rather than by using transistors which have to run at lower
temperatures.


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~ Adrian Tuddenham ~
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