I know its nice to use item you have on hand, but at $1.50 each the proven Mosfet design maybe the way to go.
The mosfets have much lower on resistance and you have to make sure you switch the Darlingtons fast to avoid the linear region.
Al.
__________________ CNC, Mechatronics Integration and Machine Design.
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E. |