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ULN2083 - What are the alternatives?

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tim_l_012

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Hello to all readers,

I have been looking at this fan monitoring article:
http://www.pc-workshop.net/articles/fans/rpmmonitor.shtml

And I want to know what are the alternatives to the IC that the author uses. The IC is the ULN2803 from Jameco, but I couldn't find it anywhere.

He describes it as a 18-pin IC, but I am not sure if I can use any 18-pin IC or not.

If someone could help me out here it would be very helpful.

Thanks in advance, :)
 

kinjalgp

Active Member
ULN2803 is 8-transistor current sink driver. Here in the circuit only 1 out of 8 transistor is used so you can use any other sink drivers like ULN2003 which are 7-transistor sink drivers and is easily available.
 

tim_l_012

New Member
OK, Well the place I would be buying it from would be Dick Smith electronics in Australia.

I have had a look at the online product listing, and i have foun a 7 Way Darlington Driver. I did a search for ULN and thats what I got.

Could I use that?

http://www.dse.com.au

Thanks in advance, :)
 
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