Lead frame utilizing superior radiation and conductive metal is the functional component which is integral in increasing integration and speed of semiconductor part.
QFP208pin Close up image of inner lead
Example of inner lead shape
Unit=mm
Thickness
lnner Lead
Guide hole
Dam bar
Minimal pitch
Lead width
Hole accuracy
R(MAX)
0.125
0.180
0.090
±0.020
0.10R
0.150
0.200
0.360
0.160
±0.025
0.250
0.440
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