[sdiy] SMD Tempco Plea for Help

Tim Johnson ifixaudio at hotmail.com
Wed Apr 14 01:39:19 CEST 2004


Could a Surfboard somehow be used with SMD transistors?

http://dkc3.digikey.com/pdf/T033/1020.pdf

Jim

>  Hello everyone,
>
>  I ordered some of the Panasonic 805 surface mount tempco from Digi-Key,
>and finally received them today. For just over $21, I bought 50 1K
>3300ppm tempcos. I had grand dreams of tempcoing every expo converter
>I've ever built. Forget just VCOs, I'm tempcoing filters, VCAs,
>everything!
>
>So I open the package, and...
>
>  Sweet merciful crap, these things are small!
>
>  I remember a couple of list members mentioning that they've used the
>SMD tempcos, affixing them to 2SC1583s and what have you. What type of
>adhesive would be best to stick them on the transistor pair?
>Cyanoacrylate emits some nasty fumes when heated (I've learned this the
>hard way), so I've just about ruled that out. I'm thinking I might use
>wire-wrapping wire to solder to the terminals on the tempco... good
>idea? Better suggestions?
>
>  Thanks for any suggestions!
>
>Richard Hess
>
>metamatic at webtv.net

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