Yes, very very small, I just measured my 35RD. The dark current is much less
than 1uA, just can't see with my 50uA meter, perhaps around 0.2uA. The
battery is around 350mA/H, which gives 200 years of use if you don't count
the internal leakage of the battery!
C.H.Ling
----- Original Message -----
From: "Ian A. Nichols" <I.A.Nichols@xxxxxxxxxxxxx>
> It's rather more primitive than that. The light sensor is an
> old-fashioned light-dependent resistor, which has a very high resistance
> (several megohms) in darkness and much lower resistance (a couple of
> hundred ohms, IIRC) in bright sunlight. Putting the cap on doesn't
> really switch off completely, but reduces the current drain to something
> very very small.
>
> --
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