bs107 alternative

SgtWookie

Joined Jul 17, 2007
22,230
Why not use IRLD014's then? They come in a 4-pin DIP package which is easy to work with, can sink up to 1.7A, and are specifically rated for logic level operation.

While you can use 2N7000 MOSFETs, they're not specifically rated for operation at logic levels; you'll have to verify each one to make sure it'll work with your application.
 

Thread Starter

markosillypig

Joined Jul 21, 2008
188
thanks sgt wookie i will use them as i have a bag full of the IRLD014's just thought they may be something more suitable in a smaller package like a TO92 :)
 
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SgtWookie

Joined Jul 17, 2007
22,230
Well, you don't have to use MOSFETs. You could use a ULN2003. You'll have about a 0.7v Vce with 20mA current though. One part, 7 Darlingtons.

You could also use discrete transistors, like 2N3904, 2N2222, etc - with a 470 Ohm or 1k Ohm base resistor.
 
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