Create SOT-227 footprint for power devices (#697)

This footprint is intended to be used to connect a SOT-227 to a pcb. The connection is made via screws. No solder connection is made.

Package_TO_SOT_THT.pretty/SOT-227.kicad_mod

@@ -0,0 +1,56 @@
+(module SOT-227 (layer F.Cu) (tedit 5B3171F9)
+  (descr "SOT-227 / SOT-227B / ISOTOP, M4 mounting screws (https://www.vishay.com/docs/95423/sot227g2.pdf, https://www.vishay.com/docs/95793/vs-fc420sa10.pdf)")
+  (tags "sot 227 isotop")
+  (fp_text reference REF** (at 7.525 -7.125) (layer F.SilkS)
+    (effects (font (size 1 1) (thickness 0.15)))
+  )
+  (fp_text value SOT-227 (at 7.525 7.375) (layer F.Fab)
+    (effects (font (size 1 1) (thickness 0.15)))
+  )
+  (fp_text user %R (at 7.525 5.375) (layer F.Fab)
+    (effects (font (size 1 1) (thickness 0.15)))
+  )
+  (fp_line (start 22.6 4.225) (end 26.8 4.225) (layer F.Fab) (width 0.1))
+  (fp_arc (start 22.6 6.375) (end 22.6 8.525) (angle 180) (layer F.Fab) (width 0.1))
+  (fp_circle (center -7.55 6.375) (end -5.4 6.375) (layer F.Fab) (width 0.1))
+  (fp_line (start -11.75 16.975) (end -11.75 -4.225) (layer F.Fab) (width 0.1))
+  (fp_line (start 24.8 18.975) (end -9.75 18.975) (layer F.Fab) (width 0.1))
+  (fp_line (start 26.8 8.525) (end 26.8 16.975) (layer F.Fab) (width 0.1))
+  (fp_line (start -9.75 -6.225) (end 24.8 -6.225) (layer F.Fab) (width 0.1))
+  (fp_line (start 22.6 8.525) (end 26.8 8.525) (layer F.Fab) (width 0.1))
+  (fp_line (start 26.8 -4.225) (end 26.8 4.225) (layer F.Fab) (width 0.1))
+  (fp_line (start 26.8 -4.225) (end 24.8 -6.225) (layer F.Fab) (width 0.1))
+  (fp_line (start 26.8 16.975) (end 24.8 18.975) (layer F.Fab) (width 0.1))
+  (fp_line (start -11.75 16.975) (end -9.75 18.975) (layer F.Fab) (width 0.1))
+  (fp_line (start -11.75 -4.225) (end -9.75 -6.225) (layer F.Fab) (width 0.1))
+  (fp_circle (center -7.55 6.375) (end -5.51 6.375) (layer F.SilkS) (width 0.12))
+  (fp_line (start 22.6 4.335) (end 26.91 4.335) (layer F.SilkS) (width 0.12))
+  (fp_line (start 22.6 8.415) (end 26.91 8.415) (layer F.SilkS) (width 0.12))
+  (fp_arc (start 22.6 6.375) (end 22.6 8.415) (angle 180) (layer F.SilkS) (width 0.12))
+  (fp_line (start 26.91 -4.285) (end 26.91 4.335) (layer F.SilkS) (width 0.12))
+  (fp_line (start -9.8 -6.335) (end 24.85 -6.335) (layer F.SilkS) (width 0.12))
+  (fp_line (start 26.91 17.035) (end 24.85 19.085) (layer F.SilkS) (width 0.12))
+  (fp_line (start -11.86 -4.285) (end -9.8 -6.335) (layer F.SilkS) (width 0.12))
+  (fp_line (start -9.8 19.085) (end 24.85 19.085) (layer F.SilkS) (width 0.12))
+  (fp_line (start 26.91 -4.285) (end 24.85 -6.335) (layer F.SilkS) (width 0.12))
+  (fp_line (start 26.91 17.035) (end 26.91 8.415) (layer F.SilkS) (width 0.12))
+  (fp_line (start -11.86 17.035) (end -9.8 19.085) (layer F.SilkS) (width 0.12))
+  (fp_line (start -11.86 -4.285) (end -11.86 17.035) (layer F.SilkS) (width 0.12))
+  (fp_line (start -12 -6.48) (end 27.05 -6.48) (layer F.CrtYd) (width 0.05))
+  (fp_line (start -12 19.23) (end 27.05 19.23) (layer F.CrtYd) (width 0.05))
+  (fp_line (start -12 -6.48) (end -12 19.23) (layer F.CrtYd) (width 0.05))
+  (fp_line (start 27.05 -6.48) (end 27.05 19.23) (layer F.CrtYd) (width 0.05))
+  (pad 1 thru_hole circle (at 0 0) (size 8 8) (drill 4.5) (layers *.Cu *.Mask))
+  (pad 2 thru_hole circle (at 15.05 0) (size 8 8) (drill 4.5) (layers *.Cu *.Mask))
+  (pad 3 thru_hole circle (at 15.05 12.75) (size 8 8) (drill 4.5) (layers *.Cu *.Mask))
+  (pad 4 thru_hole circle (at 0 12.75) (size 8 8) (drill 4.5) (layers *.Cu *.Mask))
+  (pad 1 smd rect (at 0 -0.665) (size 8.55 10.88) (layers F.Cu F.Mask))	
+  (pad 2 smd rect (at 15.05 -0.665) (size 8.55 10.88) (layers F.Cu F.Mask))	
+  (pad 4 smd rect (at 0 13.415) (size 8.55 10.88) (layers F.Cu F.Mask))	
+  (pad 3 smd rect (at 15.05 13.415) (size 8.55 10.88) (layers F.Cu F.Mask))
+  (model ${KISYS3DMOD}/Package_TO_SOT_THT.3dshapes/SOT-227.wrl
+    (at (xyz 0 0 0))
+    (scale (xyz 1 1 1))
+    (rotate (xyz 0 0 0))
+  )
+)