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A germanium signal transistor might be what allows you to get down to insanly low voltages, since the junctions in standard transistors need about 0.6V just to conduct.
Can u plz tell me which germanium transistors are best for very low voltage joule thief.
They are about the same the BC107 is 300 mW and the BC547 is 500 mW allowing a greater range of use.
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Posted:Dec 24, 2015
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