[Amps] Power Transistor Question -- 2SC5125

[Tom W8JI]

> The figures I remember on semiconductor temperature and 
> reliability go something like this:
> 1.     Typical lifetime at junction temperature of 200 
> degC is somewhere in 10,000 hour range
> 2.    Lifetime doubles for each 10 degC drop in 
> temperature

I actually think it is a good thing when someone messes with 
a power limit control and blows up his radio.
Not a bad thing at all!!

It is a bad thing when he turns it up and the PA doesn't 
fail. Now that is sad for all of us.

73 Tom