>Which is why 100K is the suggested max in any literature I have seen for
? 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
>>>>perfboard and be done with it.
>>>Absolute YUK ! 800K to 1M bleders..no way Jose.
>>Ä What is to be gained by using a 200k-ohm bleeder on a C-filter, Carl?
>Quicker HV bleed down time, less chance of a recharge.
? What mechanism recharges the capacitor?
> All my concerns are safety related and for others not well versed in PS
>A string of 3W does not offer much of a voltage breakdown safety margin.
>Matsushita not a common distributor item and similar wattage Panasonic,
>etc are only 350V.
? The manufacturer's (Panasonic/Matsushita) rating at 70 deg. C ambient
is 500v or 3w . For a 100k-ohm unit, the realizable dissipation is 2.5w
at 500v. .
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
FAQ on WWW: http://www.contesting.com/ampfaq.html
Administrative requests: amps-REQUEST@contesting.com