Marking information – Diodes AP2181/ AP2191 User Manual
Page 12
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![background image](/manuals/306290/12/background.png)
AP2181/ AP2191
Document number: DS31563 Rev. 7 - 2
12 of 17
March 2013
© Diodes Incorporated
AP2181/ AP2191
Marking Information
(cont.)
(3) SOT25
1
2
3
5
7
4
XX Y W X
XX : Identification code
W : Week : A~Z : 1~26 week;
X : A~Z : Green
( Top View )
Y : Year 0~9
a~z : 27~52 week; z represents
52 and 53 week
Device Package
type
Identification
Code
AP2181W SOT25
HX
AP2191W SOT25
HY
(4) U-DFN2018-6
Y : Year : 0~9
(Top View)
X : A~Z : Green
Y W X
XX
XX : Identification Code
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
Device Package
type
Identification
Code
AP2181FM U-DFN2018-6
HX
AP2191FM U-DFN2018-6
HY
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