[AMPS] resistors

[Peter Chadwick]

Rich says:

>?  References, please.  .  In a typical 8171 anode-supply, a 100k-ohm 
>bleeder would dissipate 810 watts.  

>>>>>If I wanted a Reliable bleeder for a 4kV C-filter supply, I would 
>>>>>series up 8 to 10  Matsushita/Panasonic 100k-ohm, 3w MOF resistors >on
a 
>piece of 
>>>>>perfboard and be done with it.  
>>>>

I'm puzzled. 810 watts dissipation in 100K means 9kV across it. That seems a
bit high for the 8171.

If the 3w MOF resaistors are rated at 500volts, 10 of them give you 5kV, and
that's a hell of a lot less than 9kV.

Methinks that there's a disconnect here, somewhere.

73

Peter G3RZP




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