Subject: Re: Japanese 100V units on USA 110-120V

From: "Dwight K. Elvey" <[email-masked]>
Date: Mon May 12 13:10:09 2003

Hi
 One should note that most switching supplies are happier
with an additional 20% voltage. Linears get hotter with
excess voltage.
Dwight

>From: "Gary Dean Hildebrand" <[email-masked]>
>>
>Cameron Kaiser writes: 
>
>
>> Anyone out there have experience with how Japanese computers of that era
>> (early 1980s) tolerate United States mains voltage, since Japanese voltage
>> is lower (100V)? Any recommendations, cautions, or concerns?
>
>A variac (ISTR is three syllables) will work, but why can't you get a 
>18-20vac transformer and wire it to buck the 120v down to 100v?  I'd think 
>that would be simpler, and a whole lot smaller. 
>
>Cameron, you said you were in the market for a variac.  I have a couple for 
>sale, but they are 10A, complete with STEEL rack panel.  These would be 
>great for any workbench, and good for some current as well.  Drop me a line 
>offlist. 
>
>Gary Hildebrand
>St. Joseph, MO