HA17L431 HITACHI [Hitachi Semiconductor], HA17L431 Datasheet - Page 6

• Manufacturer Part Number: HA17L431
• Description: High-Precision Variable Shunt Regulators
• Manufacturer: HITACHI [Hitachi Semiconductor]

HA17L431/HA17L431A Series
Marking Pattern on MPAK-5 Models (HA17L431LP/HA17L431ALP) and
UPAK Models (HA17L431UP/HA17L432UP)
Because of the small package size, the following marking patterns are used on MPAK-5 and UPAK
models. Note that the product code and marking pattern are different. The patterns are laser-marked.
Markings
6
(1), (2)
(3)
(a), (b), (c)
(1), (2)
(3)
(4)
(5)
HA17L431LP, HA17L431ALP
HA17L431UP, HA17L432UP
HA17L431LP
Note: The boxes shown for (1) to (5) and (a) to (c) in the figure are only to indicate the position of the
(1)
(a)
4
characters, and are not actually marked on the package.
Type of Marking
Characters
Bar mark
Type of Marking
Characters
(2)
(b)
L
(3)
(c)
HA17L431ALP
(1)
(a)
4
Meaning
Model code: 4L (HA17L431LP), 4M (HA17L431ALP)
Production month code:
Production year code:
Notes: 1. 1 indicates a bar, and 0 indicates no bar.
Meaning
Model code: 4D (HA17L431UP), 4E (HA17L432UP)
Production year code: The last digit of the year.
Production month code:
HITACHI management code
Production
month
Code
Production
year
(a)
(b)
(c)
Production
month
Code
M
(2)
(b)
2. Repeated every 8 years from 2006 on.
(3)
(c)
JAN
JAN
’98
A
A
1
0
1
HA17L431UP
Band Mark
FEB
FEB
’99
B
B
1
1
0
MAR
2000
MAR
C
C
1
1
1
2001
APR
APR
(1)
(3)
4 D
D
D
0
0
0
(2)
(4)
2002
MAY
MAY
E
E
0
0
1
(5)
2003
JUN
JUN
F
0
1
0
F
2004
JUL
JUL
G
G
HA17L432UP
Band Mark
0
1
1
2005
AUG
AUG
H
H
1
0
0
SEP
SEP
J
J
(1)
(3)
4
OCT
OCT
(2)
(4)
E
K
K
(5)
NOV
NOV
L
L
DEC
DEC
M
M