參數(shù)資料
型號(hào)： HA17451P
元件分類(lèi)： 基準(zhǔn)電壓源/電流源
英文描述： Voltage-Mode SMPS Controller
中文描述： 電壓模式開(kāi)關(guān)電源控制器
文件頁(yè)數(shù)： 8/24頁(yè)
文件大?。?/td> 108K
代理商： HA17451P
HA17431 Series
8
MPAK-5 and UPAK Marking Patterns
The marking patterns shown below are used on MPAK-5 and UPAK products. Note that the product code
and mark pattern are different. The pattern is laser-printed.
(b)
(2)
P
(c)
(4)
(1)
4
(a)
HA17431VLP
NC
HA17431UA
PS
REF
A
K
(3)
(4)
(1)
(2)
(5)
Band mark
REF
A
A
K
4
A
HA17431UPA
(3)
(4)
(1)
(2)
(5)
Band mark
REF
A
A
K
4
B
HA17432UA
(3)
(4)
(1)
(2)
(5)
Band mark
K
A
REF
K
A
REF
4
C
HA17432UPA
(3)
(4)
(1)
(2)
(5)
Band mark
4
F
A
A
Notes: 1. Boxes (1) to (5) in the figures show the position of the letters or numerals, and are not actually
marked on the package.
2. The letters (1) and (2) show the product specific mark pattern.
Product
(1)
(2)
HA17431VLP
4
P
HA17431UA
4
A
HA17431UPA
4
B
HA17432UA
4
C
HA17432UPA
4
F
3. The letter (3) shows the production year code (the last digit of the year) for UPAK products.
4. The bars (a), (b) and (c) show a production year code for MPAK-5 products as shown below.
After 2005 the code is repeated every 8 years.
Year
1997
1998
1999
2000
2001
2002
2003
2004
(a)
Bar
Bar
Bar
Bar
None
None
None
None
(b)
None
None
Bar
Bar
None
None
Bar
Bar
(c)
None
Bar
None
Bar
None
Bar
None
Bar
5. The letter (4) shows the production month code (see table below).
Production month
Jan.
Feb.
Mar.
Apr.
May.
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
Marked code
A
B
C
D
E
F
G
H
J
K
L
M
6. The letter (5) shows manufacturing code. For UPAK products.
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