11/30/2023 0 Comments Interfacing mtty drake c-line![]() > To: Subject: Re: Re: Variac Recommendations - Drake C- Line and L4B Where as with a variac, youhave total control of the current and voltage. > Correct me if I am wrong, but would not the bulb allow enough time during the current surge to fry some parts before it blew? There is a time lag for the the bulb to overheat to do damage. It is tried and tested and has proven its worth. The dim bulb test has likely been around longer than any of us have been alive. That figures out to 1.7 Amps at 120V, not allowing for the primary resistance of your DUT. The internet says the cold resistance of a 60W tungsten lamp is about 71 Ohms. I usually use a common 60W lamp with mine.
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