On 05:49 PM 12/08/2002 -0700, John Williams said:
>The SMT Plus book has at least 10 different SOT-23 footprints.
>
>Measured from outer edges of the pads:
>
>For reflow:
>   Smallest:  2.54mm x 1.65mm
>   Largest:    3.45mm x 3.05mm
>
>For wave solder:
>   3.48mm x 2.82mm
>
>
>John Williams


Brad and John,

How do you know which one to choose?

A bit like having three clocks in a room and never knowing the correct time.

Seriously, what guidance is given as to which footprint to choose?

Ian



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