No. Item Marking Description
Device Mark D1 BCW31
hFE Grade - -
* Lot No. 01
1998. 1st Week
[0:1st Character, 1:2nd Character]
Note) * Lot No. marking method
Character
arrangement
1 st Character
1
(A)
2
(B)
3
(C)
4
(D)
5
(E)
6
(F)
7
(G)
8
(H)
9
(I)
0
(J)
2nd Character
A
(1)
B
(2)
C
(3)
D
(4)
E
(5)
F
(6)
G
(7)
H
(8)
I
(9)
J
(0)
Year Marking (Week) Periode (Year) Remark
1 st Year (1998) 01 02 51 52 1998-2002-2006-2010...
Rotation for 4 years
2 nd Year (1999) 0A 0B 5A 5B 1999-2003-2007-2011...
3 rd Year (2000) J1 J2 E1 E2 2000-2004-2008-2012...
4 th Year (2001) JA JB EA EB 2001-2005-2009-2013...