On Sat, 05 Aug 2006 05:17:54 -0400, kony Gave us:

Typically on modern parts you may have some SMT transistors
with tabs but the rest are sunk by their leads only.

You're an idiot. The leads have NEVER been a thermal path. They are
too small to make a significant difference.

ALL SMD transistors that are power devices have tabs, whether they
are exposed after assembly or not.

You have succeeded in making your most retarded remark yet.

Talk about being not worthy of having a conversation with... you
are that, boy.