TL431/TL432
ADJUSTABLE PRECISION SHUNT REGULATOR
TL431 *SO-8 is a future package
Document number: DS35044 Rev. 6 - 2
10 of 14
www.diodes.com
April 2012
© Diodes Incorporated
Ordering Information
Device
Package
Code
Packaging
(Note 9)
7” Tape and Reel Ammo Box
Quantity
Part Number
Suffix
Quantity
Part Number
Suffix
TL431A(B)SA-7 SA SOT23 3000/Tape & Reel -7 NA NA
TL431A(B)W5-7 W5 SOT25 3000/Tape & Reel -7 NA NA
TL431A(B)S-13* S SO-8* 2500/Tape & Reel -13 NA NA
TL432A(B)SA-7 SA SOT23 3000/Tape & Reel -7 NA NA
* Suffix “B” denotes TL431B device.
Notes: 9. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
TL431/TL432
ADJUSTABLE PRECISION SHUNT REGULATOR
TL431 *SO-8 is a future package
Document number: DS35044 Rev. 6 - 2
11 of 14
www.diodes.com
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
:Year0~9
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
8765
1
234
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
8765
1
234
represents 52 and 53 week
X: tolerance A = 1%, B = 0.5%
TL431/TL432
ADJUSTABLE PRECISION SHUNT REGULATOR
TL431 *SO-8 is a future package
Document number: DS35044 Rev. 6 - 2
12 of 14
www.diodes.com
April 2012
© Diodes Incorporated
Package Outline Dimensions (All Dimensions in mm)
(1) Package type: SOT25
(2) Package Types: SOT23
SOT25
Dim Min Max Typ
0.35 0.50 0.38
B
1.50 1.70 1.60
C
2.70 3.00 2.80
D
0.95
H
2.90 3.10 3.00
J
0.013 0.10 0.05
1.00 1.30 1.10
L
0.35 0.55 0.40
M
0.10 0.20 0.15
N
0.70 0.80 0.75
α
0° 8°
A
ll Dimensions in mm
SOT23
Dim Min Max Typ
0.37 0.51 0.40
B
1.20 1.40 1.30
C
2.30 2.50 2.40
D
0.89 1.03 0.915
F
0.45 0.60 0.535
G
1.78 2.05 1.83
H
2.80 3.00 2.90
J
0.013 0.10 0.05
0.903 1.10 1.00
K1
- - 0.400
L
0.45 0.61 0.55
M
0.085 0.18 0.11
α
0° 8° -
A
ll Dimensions in mm
A
M
J
L
D
B C
H
K
N
A
M
J
L
D
F
B
C
H
K
G
K1

TL431BW5-7

Mfr. #:
Manufacturer:
Diodes Incorporated
Description:
Voltage References ADJ Shunt Reg 100mA 40V Vref 36V 150mA
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union