MMSZ4xxxT1G Series,
SZMMSZ4xxxT1G Series
Zener Voltage Regulators
500 mW, Low I
ZT
SOD−123 Surface Mount
Three complete series of Zener diodes are offered in the convenient,
surface mount plastic SOD−123 package. These devices provide a
convenient alternative to the leadless 34−package style.
Features
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•
•
•
•
•
•
•
500 mW Rating on FR−4 or FR−5 Board
Wide Zener Reverse Voltage Range
−
1.8 V to 43 V
Low Reverse Current (I
ZT
)
−
50
mA
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
SZ Prefix for Automotive and Other Applications Requiring Unique
Site and Control Change Requirements; AEC−Q101 Qualified and
PPAP Capable
•
These Devices are Pb−Free and are RoHS Compliant*
Mechanical Characteristics:
CASE:
Void-free, transfer-molded, thermosetting plastic case
FINISH:
Corrosion resistant finish, easily solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
SOD−123
CASE 425
STYLE 1
1
Cathode
2
Anode
MARKING DIAGRAM
1
xx M
G
G
260°C for 10 Seconds
POLARITY:
Cathode indicated by polarity band
FLAMMABILITY RATING:
UL 94 V−0
MAXIMUM RATINGS
Rating
Total Power Dissipation on FR−5 Board,
(Note 1) @ T
L
= 75°C
Derated above 75°C
Thermal Resistance, (Note 2)
Junction−to−Ambient
Thermal Resistance, (Note 2)
Junction−to−Lead
Junction and Storage Temperature Range
Symbol
P
D
Max
500
6.7
340
150
−55
to
+150
Units
mW
mW/°C
°C/W
°C/W
°C
xx
M
G
= Device Code (Refer to page 3)
= Date Code
= Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device
MMSZ4xxxT1G
SZMMSZ4xxxT1G
MMSZ4xxxT3G
SZMMSZ4xxxT3G
Package
SOD−123
(Pb−Free)
SOD−123
(Pb−Free)
SOD−123
(Pb−Free)
SOD−123
(Pb−Free)
Shipping
†
3,000 /
Tape & Reel
3,000 /
Tape & Reel
10,000 /
Tape & Reel
10,000 /
Tape & Reel
R
qJA
R
qJL
T
J
, T
stg
Stresses exceeding those listed in the Maximum Ratings table may damage the
device. If any of these limits are exceeded, device functionality should not be
assumed, damage may occur and reliability may be affected.
1. FR−5 = 3.5 X 1.5 inches, using the minimum recommended footprint.
2. Thermal Resistance measurement obtained via infrared Scan Method.
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
DEVICE MARKING INFORMATION
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
See specific marking information in the device marking
column of the Electrical Characteristics table on page 3 of
this data sheet.
©
Semiconductor Components Industries, LLC, 2013
April, 2018
−
Rev. 12
1
Publication Order Number:
MMSZ4678T1/D
MMSZ4xxxT1G Series, SZMMSZ4xxxT1G Series
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless
otherwise noted, V
F
= 0.9 V Max. @ I
F
= 10 mA)
Symbol
V
Z
I
ZT
I
R
V
R
I
F
V
F
Parameter
Reverse Zener Voltage @ I
ZT
Reverse Current
Reverse Leakage Current @ V
R
Reverse Voltage
Forward Current
Forward Voltage @ I
F
V
Z
V
R
I
R
V
F
I
ZT
V
I
F
I
Product parametric performance is indicated in the Electrical
Characteristics for the listed test conditions, unless otherwise noted.
Product performance may not be indicated by the Electrical
Characteristics if operated under different conditions.
Zener Voltage Regulator
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MMSZ4xxxT1G Series, SZMMSZ4xxxT1G Series
TYPICAL CHARACTERISTICS
θ
VZ, TEMPERATURE COEFFICIENT (mV/
°
C)
θ
VZ, TEMPERATURE COEFFICIENT (mV/
°
C)
8
7
6
5
4
3
2
1
0
-1
-2
-3
V
Z
@ I
ZT
TYPICAL T
C
VALUES
100
TYPICAL T
C
VALUES
V
Z
@ I
ZT
10
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
−
55°C to +150°C)
Figure 2. Temperature Coefficients
(Temperature Range
−
55°C to +150°C)
1.2
P
D
, POWER DISSIPATION (WATTS)
1.0
0.8
0.6
0.4
0.2
0
P
D
versus T
L
1000
Ppk , PEAK SURGE POWER (WATTS)
RECTANGULAR
WAVEFORM, T
A
= 25°C
100
P
D
versus T
A
10
0
25
50
75
100
T, TEMPERATURE (5C)
125
150
1
0.1
1
10
PW, PULSE WIDTH (ms)
100
1000
Figure 3. Steady State Power Derating
Figure 4. Maximum Nonrepetitive Surge Power
1000
Z ZT, DYNAMIC IMPEDANCE (
Ω
)
I
Z
= 1 mA
100
T
J
= 25°C
I
Z(AC)
= 0.1 I
Z(DC)
f = 1 kHz
5 mA
20 mA
10
1
1
10
V
Z
, NOMINAL ZENER VOLTAGE
100
Figure 5. Effect of Zener Voltage on
Zener Impedance
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MMSZ4xxxT1G Series, SZMMSZ4xxxT1G Series
TYPICAL CHARACTERISTICS
1000
0 V BIAS
1 V BIAS
C, CAPACITANCE (pF)
100
BIAS AT
50% OF V
Z
NOM
10
T
A
= 25°C
1000
I R , LEAKAGE CURRENT (
μ
A)
100
10
1
0.1
0.01
+ 25°C
- 55°C
0
10
20
30
40
50
60
70
V
Z
, NOMINAL ZENER VOLTAGE (V)
80
90
+150°C
0.001
0.0001
1
1
10
V
Z
, NOMINAL ZENER VOLTAGE (V)
100
0.00001
Figure 6. Typical Capacitance
Figure 7. Typical Leakage Current
100
T
A
= 25°C
I Z , ZENER CURRENT (mA)
100
T
A
= 25°C
I Z , ZENER CURRENT (mA)
10
10
1
1
0.1
0.1
0.01
0
2
4
6
8
V
Z
, ZENER VOLTAGE (V)
10
12
0.01
10
30
50
70
V
Z
, ZENER VOLTAGE (V)
90
Figure 8. Zener Voltage versus Zener Current
(V
Z
Up to 12 V)
Figure 9. Zener Voltage versus Zener Current
(12 V to 91 V)
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