A bipolar
transistor will turn off too slowly for this [...]
You could keep the bipolar from
saturating with a Schottky clamp, but
at the expense of even more parts.
Don't single packages containing transistor and clamp exist?
/~\ The ASCII Mouse
\ / Ribbon Campaign
X Against HTML mouse at
rodents-montreal.org
/ \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B