On Sun, 11 Dec 2005 10:40:13 -0800, "Walter Harley" <walterh@xxxxxxxxxxxxxxxxxxxx> wrote:
>I need to limit the output of an ordinary unregulated power supply. The
>voltage ranges from 18V to 35V, taking load and line variation and ripple
>into account, and the load draws up to 250mA.
What's wrong with a 24 volt zener? Pick one that will handle
the dissipation when the supply is current limited by its internal
impedance. What is the current from the supply when it has a load
heavy enough to drop its output voltage to 24 volts?
Re: 250mA voltage clamp ...voltage ranges from 18V to 35V, taking load and line variation and ripple into account, and the load draws up to 250mA. ... the dissipation when the supply is current limited by its internal impedance. ... (sci.electronics.design)
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Re: What is the effect of slight powder charge variation ... the velocity variation you would expect ... nominal 70 grain load anyway) is small relative to the random velocity ... relative to small observed variation in powder charge or ... (rec.guns)
