[R-390] OA2 replacement

[Bob Camp]

Hi

The voltage may be a bit different, but it will work. The OA2 is  
rated at 144 to 164 volts at a current of 17.5 ma. It's internal  
resistance is < 240 ohms. It will regulate down to about 5 ma. A  
silicon diode will have a bit different resistance and a normal 150  
volt 10% part would break over at 135 to 165 volts.

     Enjoy!

             Bob Camp
             KB8TQ



On Oct 20, 2005, at 12:58 AM, g kwitka wrote:

> Can the OA2 be replaced by simply putting in a 150
> volt 10 watt zenner in the appropriate socket pins?
>
>
>
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