Hey guys,
I have a quick question. I've done a little bit of research and seen the following circuit used for this type of application.
http://interactive.usc.edu/members/phoberman/relayCircuit.gif
my question is, why does it have to use a BJT? why not a MOSFET, or an IGBT? that way there is no power dissipation while the switch is on.
Thanks
I have a quick question. I've done a little bit of research and seen the following circuit used for this type of application.
http://interactive.usc.edu/members/phoberman/relayCircuit.gif
my question is, why does it have to use a BJT? why not a MOSFET, or an IGBT? that way there is no power dissipation while the switch is on.
Thanks