2SD1221-GR 2SD1221-O 2SD1221Y 2SD1221-Y 2SD1221-Y (T6L1NDNQ 2SD1221-Y(Q) 2SD1221-Y(T6L1,NQ) 2SD1221-Y(T6LDNS0) 2SD1221-Y(TE16L1 2SD1221-Y(TE16L1,N)