Hi Andy
On 07/10/2013 12:10 PM, Andy wrote:
The TVS may be sufficient. Like you say, they are meant to handle short
spikes, and that might be all that it ever sees ... ignition noise and
such. The instantaneous power could be up there but it's not wide enough
to heat up the device. The simulated waveform is probably very
pessimistic.
Hmmm, load dumps can last a looong time.
The large inductance field has to decay before
the alternator stops producing the over voltage.
100s of mS, long enough to fry the TVS?
Sorry for continuing OT.
Al D.
--
AC2CL
I do not think there is any thrill that
can go through the human heart like that felt by the inventor as
he sees some creation of the brain unfolding to success...
Such emotions make a man forget food, sleep, friends, love, everything.
- Nikola Tesla
