Adjustable precision shunt regulator, Marking information – Diodes TL432 User Manual
Page 11

TL431/TL432
ADJUSTABLE PRECISION SHUNT REGULATOR
TL431
*SO-8 is a future package
Document number: DS35044 Rev. 6 - 2
11 of 14
April 2012
© Diodes Incorporated
Marking Information
(1) SOT23
1
2
3
XX Y W X
( Top View )
XX : Identification code
W : Week : A~Z : 1~26 week;
X : A~Z : Green
Y : Year 0~9
a~z : 27~52 week; z represents
52 and 53 week
Device
Package
Identification Code
TL431ASA SOT23
AA
TL431BSA SOT23
AB
TL432ASA SOT23
BA
TL432BSA SOT23
BB
(2) SOT25
Device
Package
Identification Code
TL431AW5 SOT25
AA
TL431BW5 SOT25
AB
(3) SO-8*
TL431X
(Top View )
YY WW X X
Part Number
Logo
WW : Week : 01~52; 52
YY : Year : 08, 09,10~
XX: Internal Code
8
7
6
5
1
2
3
4
represents 52 and 53 week
X: tolerance A = 1%, B = 0.5%
TL431X
(Top View )
YY WW X X
Part Number
Logo
WW : Week : 01~52; 52
YY : Year : 08, 09,10~
XX: Internal Code
8
7
6
5
1
2
3
4
represents 52 and 53 week
X: tolerance A = 1%, B = 0.5%