Top Marking Format & Decoding Rule

MARKING LAYOUT EXAMPLE
TOP MARKING EXAMPLE 1:
8
Company Initial
Year & Week Code
Lead & Halogen Free ID
M P S
Y Y WW
P P P P P P P P
Pin 1 ID
Part Number
Lot Number
L L L L L L L L
1
TOP MARKING EXAMPLE 2:
1
Year & Week Code
Pin 1 ID
M
P
Y
W
Lead & Halogen Free ID
Part Number
Part Number Prefix
P
P
P
P
Lot Number
O
L
L
L
Optional Special Mark
TOP MARKING EXAMPLE 3:
6
5
4
Part Number Code
Year and Week Code
Lead & Halogen Free ID
P
1
P
Y
2
W
3
YEAR, WEEK AND COUNTRY CODE DEFINATION
SINGLE DIGIT YEAR
(Y) DEFINITION
0
2000
1
2001
2
2002
3
2003
4
2004
5
2005
6
2006
7
2007
8
2008
9
2009
A
2010
B
2011
C
2012
D
2013
E
2014
F
2015
G
2016
H
2017
J
2018
K
2019
M
2020
N
2021
P
2022
R
2023
S
2024
T
2025
V
2026
W
2027
X
2028
Y
2029
Z
2030
SINGLE DIGIT WORK WEEK
(W) DEFINITION
A
1–4
B
5–8
C
9 – 12
D
13 – 16
E
17 – 20
F
21 – 24
G
25 – 28
H
29 – 32
J
33 – 36
K
37 – 40
M
41 – 44
N
45 – 48
P
49 – 53
SOT23/SOT23
COUNTRY OF ORIGIN
C
China
M
Malaysia
T
Thailand