wrote in message
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On Wednesday, September 13, 2017 at 11:35:58 AM UTC-4,
wrote:
im working on a arcade game board . the tip 120 for an eject soleniod is
driven right off the processor leg, no pre -driver transistor. didnt even
think that was possible, maybe that why it blew. is there a mosfet i
can replace the tip120 with?

thanks

So a 5 V drive? You could look up logic level mosfets on digikey.
Is there a diode across the solenoid drive? (for inductance)

George H.

The TIP120 is a medium power darlington NPN rated for 60 volts. It has the
reverse diode built in.