This question comes up periodically. I maintain that, short circuit
apart, the answer is no. The one possible exception is if you are using
it close to a Hall-effect device, while calibrating the circuit. Som
state that some ferrites can be affected, but I state that a) the field
from a screwdriver is too weak and b) exposure to a magnetic field, at
the worst will push a ferrite slightly along the hysteresis curve, but
it will be shoved back as soon as an AC field is experienced.

Brian

Genny Gibbard wrote:
> Can anyone tell me, is the magnetic field strength of a magnetic screwdriver
> strong enough to harm any electronic components?
> I am also wondering if it may be a problem only if one comes close to a
> circuit when it is powered up, by disrupting currents (or shorting
> leads...which is not due to the magnetic property...).
>
> Genny Gibbard (mailto:[log in to unmask])
> "Genius may have its limitations, but stupidity is not thus handicapped"
> Elbert Hubbard
>
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