4 Transistors to put your Parts Kit

22 Apr 2014

The other day I was working on a project in the TechShop in Austin. A recent student of my Arduino Programming class asked me how to make his motor spin. So I started to talk about needing a transistor and they asked the question "what is the BEST transistor?" Since "best" is subjective, I thought maybe I would give a list of the "best transistors" to keep in your parts bin, for any occasion.

So from baldengineer.com, The best 4 transistors to keep in your parts kit.

For the tl;dr, the list is:

BJT, NPN, 2N3904
BJT, PNP, 2N3906
BJT, NPN (Power), TIP120
MOSFET, N-Channel, FQP30N06L

Top Comments

DAB over 11 years ago +1

I would add the venerable 2N2222. Its a staple for quick designs. DAB

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DAB over 11 years ago

I would add the venerable 2N2222.
Its a staple for quick designs.

DAB
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COMPACT over 11 years ago in reply to DAB

DAB, We're showing our vintages!
How about venerable BC548, BC558, BC327, BC337, BD139, BD140, BD640, TIP32, 2N3055 and 2N7000?

James,
Be careful with MOSFETS - they can be really easy to blow up!
Make sure you follow ESD (Electro Static Discharge) procedures.

Very Compact
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COMPACT over 11 years ago in reply to DAB

DAB, We're showing our vintages!
How about venerable BC548, BC558, BC327, BC337, BD139, BD140, BD640, TIP32, 2N3055 and 2N7000?

James,
Be careful with MOSFETS - they can be really easy to blow up!
Make sure you follow ESD (Electro Static Discharge) procedures.

Very Compact
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