TL431B 查看數據表（PDF） - Diodes Incorporated.
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TL431B Datasheet PDF : 14 Pages
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TL431/TL432
ADJUSTABLE PRECISION SHUNT REGULATOR
Marking Information
(1) SOT23
( Top View )
3
XX Y W X
1
2
XX : Identification code
Y : Year 0~9
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
X : A~Z : Green
(2) SOT25
Device
TL431ASA
TL431BSA
TL432ASA
TL432BSA
Package
SOT23
SOT23
SOT23
SOT23
Identification Code
AA
AB
BA
BB
(3) SO-8*
Device
TL431AW5
TL431BW5
Package
SOT25
SOT25
Identification Code
AA
AB
Logo
Part Number
(Top View )
8765
TL431X
YY WW X X
1 2 34
X: tolerance A = 1%, B = 0.5%
YY : Year : 08, 09,10~
WW : Week : 01~52; 52
represents 52 and 53 week
XX: Internal Code
TL431
*SO-8 is a future package
Document number: DS35044 Rev. 6 - 2
11 of 14
www.diodes.com
April 2012
© Diodes Incorporated
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