sch: fix grid/branch short-circuit mosfet

grid/branch/sub_bus.sch

@@ -396,9 +396,9 @@ L LEGOS:BUK6D230-80E U9
 U 1 1 5EF025E5
 P 5875 4525
 F 0 "U9" H 6080 4571 50  0000 L CNN
-F 1 "BUK6D230-80E" H 6080 4480 50  0000 L CNN
+F 1 "BUK6D22-30E" H 6080 4480 50  0000 L CNN
 F 2 "LEGOS:SOT-1220" H 6075 4625 50  0001 C CNN
-F 3 "https://assets.nexperia.com/documents/data-sheet/BUK6D230-80E.pdf" H 5875 4525 50  0001 C CNN
+F 3 "https://assets.nexperia.com/documents/data-sheet/BUK6D22-30E.pdf" H 5875 4525 50  0001 C CNN
 	1    5875 4525
 	1    0    0    -1  
 $EndComp