BZX84CxxxET1G Series,
SZBZX84CxxxET1G Series
Zener Voltage Regulators
225 mW SOT−23 Surface Mount
This series of Zener diodes is offered in the convenient, surface
mount plastic SOT−23 package. These devices are designed to provide
voltage regulation with minimum space requirement. They are well
suited for applications such as cellular phones, hand held portables,
and high density PC boards.
Specification Features
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225 mW Rating on FR−4 or FR−5 Board
Zener Breakdown Voltage Range
−
2.4 V to 75 V
Package Designed for Optimal Automated Board Assembly
Small Package Size for High Density Applications
ESD Rating of Class 3 (> 16 kV) per Human Body Model
Peak Power
−
225 W (8
X
20
ms)
AEC−Q101 Qualified and PPAP Capable
SZ Prefix for Automotive and Other Applications Requiring Unique
Site and Control Change Requirements
Pb−Free Packages are Available*
Mechanical Characteristics
CASE:
Void-free, transfer-molded, thermosetting plastic case
FINISH:
Corrosion resistant finish, easily solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
SOT−23
CASE 318
STYLE 8
3
Cathode
1
Anode
MARKING DIAGRAM
xxx M
G
G
1
xxx
M
G
= Device Code
= Date Code*
= Pb−Free Package
260C for 10 Seconds
POLARITY:
Cathode indicated by polarity band
FLAMMABILITY RATING:
UL 94 V−0
MAXIMUM RATINGS
Rating
Peak Power Dissipation @ 20
ms
(Note 1)
@ T
L
25C
Total Power Dissipation on FR−5 Board,
(Note 2) @ T
A
= 25C
Derated above 25C
Thermal Resistance, Junction−to−Ambient
Total Power Dissipation on Alumina
Substrate, (Note 3) @ T
A
= 25C
Derated above 25C
Thermal Resistance, Junction−to−Ambient
Junction and Storage Temperature Range
Symbol
P
pk
P
D
R
qJA
P
D
R
qJA
T
J
, T
stg
Max
225
Unit
W
(Note: Microdot may be in either location)
*Date Code orientation may vary depending
upon manufacturing location.
ORDERING INFORMATION
Device
Package
SOT−23
(Pb−Free)
SOT−23
(Pb−Free)
SOT−23
(Pb−Free)
SOT−23
(Pb−Free)
Shipping
†
3,000 /
Tape & Reel
3,000 /
Tape & Reel
10,000 /
Tape & Reel
10,000 /
Tape & Reel
225
1.8
556
300
2.4
417
−65
to
+150
mW
mW/C
C/W
mW
mW/C
C/W
C
BZX84CxxxET1G
SZBZX84CxxxET1G
BZX84CxxxET3G
SZBZX84CxxxET3G
Stresses exceeding Maximum Ratings may damage the device. Maximum
Ratings are stress ratings only. Functional operation above the Recommended
Operating Conditions is not implied. Extended exposure to stresses above the
Recommended Operating Conditions may affect device reliability.
1. Nonrepetitive current pulse per Figure 9.
2. FR−5 = 1.0 X 0.75 X 0.62 in.
3. Alumina = 0.4 X 0.3 X 0.024 in, 99.5% alumina.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
Semiconductor Components Industries, LLC, 2012
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
DEVICE MARKING INFORMATION
See specific marking information in the device marking
column of the Electrical Characteristics table on page 3 of
this data sheet.
January, 2012
−
Rev. 8
1
Publication Order Number:
BZX84C2V4ET1/D
BZX84CxxxET1G Series, SZBZX84CxxxET1G Series
ELECTRICAL CHARACTERISTICS
(Pinout: 1-Anode, 2-No Connection, 3-Cathode) (T
A
= 25C
unless otherwise noted, V
F
= 0.90 V Max. @ I
F
= 10 mA)
Symbol
V
Z
I
ZT
Z
ZT
I
R
V
R
I
F
V
F
QV
Z
C
Parameter
Reverse Zener Voltage @ I
ZT
Reverse Current
Maximum Zener Impedance @ I
ZT
Reverse Leakage Current @ V
R
Reverse Voltage
Forward Current
Forward Voltage @ I
F
Maximum Temperature Coefficient of V
Z
Max. Capacitance @ V
R
= 0 and f = 1 MHz
V
Z
V
R
I
R
V
F
I
ZT
V
I
I
F
Zener Voltage Regulator
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2
BZX84CxxxET1G Series, SZBZX84CxxxET1G Series
TYPICAL CHARACTERISTICS
8
7
6
5
4
3
2
1
0
−1
V
Z
@ I
ZT
TYPICAL T
C
VALUES
100
VZ, TEMPERATURE COEFFICIENT (mV/
C)
TYPICAL T
C
VALUES
VZ, TEMPERATURE COEFFICIENT (mV/
C)
V
Z
@ I
ZT
10
−2
−3
2
3
4
5
6
7
8
9
10
V
Z
, NOMINAL ZENER VOLTAGE (V)
11
12
1
10
V
Z
, NOMINAL ZENER VOLTAGE (V)
100
Figure 1. Temperature Coefficients
(Temperature Range
−
55C to +150C)
Figure 2. Temperature Coefficients
(Temperature Range
−
55C to +150C)
1000
Z ZT, DYNAMIC IMPEDANCE (
)
I
Z
= 1 mA
T
J
= 255C
I
Z(AC)
= 0.1 I
Z(DC)
f = 1 kHz
1000
IF, FORWARD CURRENT (mA)
75 V (MMBZ5267BLT1)
91 V (MMBZ5270BLT1)
100
5 mA
20 mA
10
100
10
150C
1
1
10
V
Z
, NOMINAL ZENER VOLTAGE
100
1
0.4
0.5
75C 25C
0C
1.1
1.2
0.6
0.7
0.8
0.9
1.0
V
F
, FORWARD VOLTAGE (V)
Figure 3. Effect of Zener Voltage on
Zener Impedance
Figure 4. Typical Forward Voltage
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