Electronics > Projects, Designs, and Technical Stuff
Any MOSFET similar of ULN2003?
LukeW:
Only 100mA?
Why not just any small cheap FET, eg. 2N7002? If you need a flyback diode, add one externally. Or you could choose jellybean BJTs if you don't like FETs.
zapta:
--- Quote from: LukeW on September 20, 2015, 08:58:16 pm ---Only 100mA?
Why not just any small cheap FET, eg. 2N7002? If you need a flyback diode, add one externally. Or you could choose jellybean BJTs if you don't like FETs.
--- End quote ---
Yes, I could do that, 4 FETs or pre-biased BJTs and 4 diodes. It's easier though to manually pick and place a single component.
tom66:
Something like a dual N-channel MOSFET in SOT26?
Two pieces of this ought to work:
http://docs-europe.electrocomponents.com/webdocs/104e/0900766b8104e4cc.pdf
nctnico:
--- Quote from: LukeW on September 20, 2015, 08:58:16 pm ---Only 100mA?
Why not just any small cheap FET, eg. 2N7002? If you need a flyback diode, add one externally. Or you could choose jellybean BJTs if you don't like FETs.
--- End quote ---
If the device has an internal diode (and all mosfets have one) you can do without the flyback diode.
alsetalokin4017:
http://www.utsource.net/ic-datasheet/TPIC2701N-786242.html
I've ordered from UTSource several times and have always been happy. Generally takes 10-12 days from ordering to delivery in my mailbox in Texas.
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