To heat sink, or not to heat sink, that is the question.

I have a 7805, 220 style case running my PIC board.  I am using a total of
0.700 amps.  Do I need to heat sink the 220 case/ 5v regulator??????
(This is a 3.0 amp device!)

Cya-
                         6500
                              7000
Dave Celsnak                    ___7500
                               / /     8000     (Shift!)
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                           / /              RPM
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