> What's a good diode to put across the solenoid of
> a 12V, 100mA relay? We have some boards
> that currently use the venerable 1N4148 for this purpose.
> Although the 1N4148 is a high-speed diode, I don't think
> it is intended for this application. I need to look for an
> alternative, preferably in a surface-mount package.
> Tony
Hi Tony,
Many use the 1N4148 for such purposes, nothing
wrong with it. Go for a diode that can handle 12V
and 100mA (at switch-off, the 100 mA will flow through
the diode in forward direction, rapidly decaying).
Pieter
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