ZHT431
Issue 7- July 2009 7 www.diodes.com
© Diodes Incorporated
Application Circuits
R2
Vout= 1 +
R1
R2
Vref
V+
Vout
R1
30
0.01µF
Vref
Vout= 1 +
R1
R2
Vref
Vout = Vref+ Vreg
MIN
R2
R1
+
Vout
Vref
ZSR***
In
Out
Common
R2
R1
V+Vout
Vout=
Vref
1+
R1
R2
Vref
V+
Output
Input
V
= 2.5V
TH
V
2V
on
V
=V+
off
R2A
R1A
V+
Vref
R2B
R1B
Vref
1+
R1B
R2B
Vref
Low limit =
High limit =
1+
R1A
R2A
Vref
R2
R1
Vout=
Vref
1+
R1
R2
Vref
V+Vout
Output
Higher current shunt regulatorShunt regulator
Series regulator
Output control of a
three terminal fixed regulator
Single supply comparator
with temperature
compensated threshold
Over voltage / under voltage
protection circuit
ZHT431
Issue 7- July 2009 8 www.diodes.com
© Diodes Incorporated
Package Outline - TO92
Note: Controlling dimensions are in millimeters. Approximate dimensions are provided in inches
DIM Millimeters Inches
Min. Max. Min. Max.
A 4.32 4.95 0.170 0.195
b 0.36 0.51 0.014 0.020
E 3.30 3.94 0.130 0.155
e 2.41 2.67 0.095 0.105
e1 1.14 1.40 0.045 0.055
L 12.70 15.49 0.500 0.610
R 2.16 2.41 0.085 0.095
S1 1.14 1.52 0.045 0.060
W 0.41 0.56 0.016 0.022
D 4.45 4.95 0.175 0.195
ZHT431
Issue 7- July 2009 9 www.diodes.com
© Diodes Incorporated
Package outline - SOT23
Note: Controlling dimensions are in millimeters. Approximate dimensions are provided in inches
Dim. Millimeters Inches Dim. Millimeters Inches
Min. Max. Min. Max. Min. Max. Min. Max.
A - 1.12 - 0.044 e1 1.90 NOM 0.075 NOM
A1 0.01 0.10 0.0004 0.004 E 2.10 2.64 0.083 0.104
b 0.30 0.50 0.012 0.020 E1 1.20 1.40 0.047 0.055
c 0.085 0.20 0.003 0.008 L 0.25 0.60 0.0098 0.0236
D 2.80 3.04 0.110 0.120 L1 0.45 0.62 0.018 0.024
e0.95NOM0.037NOM-----
E
e
L
e1
D
A
c
E1
L1
A1
b
3 leads

ZHT431C02L

Mfr. #:
Manufacturer:
Diodes Incorporated
Description:
Voltage References High Temp 431 Prog
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union