MMSZxxxT1G Series,
SZMMSZxxxT1G Series
Zener Voltage Regulators
500 mW 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
http://onsemi.com
500 mW Rating on FR−4 or FR−5 Board
Wide Zener Reverse Voltage Range
−
2.4 V to 56 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
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:
SOD−123
CASE 425
STYLE 1
1
Cathode
2
Anode
MARKING DIAGRAM
1
xx M
G
G
260C 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
= 75C
Derated above 75C
Thermal Resistance, Junction−to−Ambient
(Note 2)
Thermal Resistance, Junction−to−Lead
(Note 2)
Junction and Storage Temperature Range
Symbol
P
D
Max
500
6.7
340
150
−55
to +150
Unit
xx
M
G
= Device Code
= Date Code
= Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
mW
mW/C
C/W
C/W
C
Device
MMSZxxxT1G
SZMMSZxxxT1G
MMSZxxxT3G
SZMMSZxxxT3G
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 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. FR−5 = 3.5 X 1.5 inches.
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
See specific marking information in the device marking
column of the Electrical Characteristics table on page 2 of
this data sheet.
*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
January, 2012
−
Rev. 11
1
Publication Order Number:
MMSZ2V4T1/D
MMSZxxxT1G Series, SZMMSZxxxT1G Series
ELECTRICAL CHARACTERISTICS
(T
A
= 25C unless
otherwise noted, V
F
= 0.95 V Max. @ I
F
= 10 mA)
Symbol
V
Z
I
ZT
Z
ZT
I
R
V
R
I
F
V
F
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
V
Z
V
R
I
R
V
F
I
ZT
V
I
F
I
Zener Voltage Regulator
ELECTRICAL CHARACTERISTICS
(T
A
= 25C unless otherwise noted, V
F
= 0.9 V Max. @ I
F
= 10 mA)
V
Z1
(Volts)
(Notes 3 and 4)
Device
Marking
T1
T2
T3
T4
T5
U1
U2
U3
U4
U5
V1
V2
V3
V4
V5
A1
A2
A3
A4
A5
X1
X2
X3
X4
X5
@ I
ZT1
= 5 mA
Min
2.28
2.57
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.89
6.46
7.13
7.79
8.65
9.50
10.45
11.40
12.35
14.25
15.20
17.10
19.00
20.90
22.80
Nom
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
Max
2.52
2.84
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.51
7.14
7.88
8.61
9.56
10.50
11.55
12.60
13.65
15.75
16.80
18.90
21.00
23.10
25.20
W
100
100
95
95
90
90
90
80
60
40
10
15
15
15
15
20
20
25
30
30
40
45
55
55
70
Min
1.7
1.9
2.1
2.3
2.7
2.9
3.3
3.7
4.2
4.8
5.6
6.3
6.9
7.6
8.4
9.3
10.2
11.2
12.3
13.7
15.2
16.7
18.7
20.7
22.7
Z
ZT1
(Note 5)
V
Z2
(Volts)
(Notes 3 and 4)
@ I
ZT2
= 1 mA
Max
2.1
2.4
2.7
2.9
3.3
3.5
4.0
4.7
5.3
6.0
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.7
14.0
15.5
17.0
19.0
21.1
23.2
25.5
W
600
600
600
600
600
600
600
500
480
400
150
80
80
80
100
150
150
150
170
200
200
225
225
250
250
Z
ZT2
(Note 5)
Max Reverse
Leakage Current
I
R
@ V
R
mA
50
20
10
5
5
3
3
3
2
1
3
2
1
0.7
0.5
0.2
0.1
0.1
0.1
0.05
0.05
0.05
0.05
0.05
0.05
Volts
1
1
1
1
1
1
1
2
2
2
4
4
5
5
6
7
8
8
8
10.5
11.2
12.6
14
15.4
16.8
Device*
MMSZ2V4T1G
MMSZ2V7T1G
MMSZ3V0T1G
MMSZ3V3T1G
MMSZ3V6T1G
MMSZ3V9T1G
MMSZ4V3T1G
MMSZ4V7T1G
MMSZ5V1T1G
MMSZ5V6T1G/T3G
MMSZ6V2T1G
MMSZ6V8T1G
MMSZ7V5T1G
MMSZ8V2T1G
MMSZ9V1T1G
MMSZ10T1G
MMSZ11T1G
MMSZ12T1G
MMSZ13T1G
MMSZ15T1G
MMSZ16T1G
MMSZ18T1G/T3G
MMSZ20T1G
MMSZ22T1G
MMSZ24T1G
3. The type numbers shown have a standard tolerance of
5%
on the nominal Zener Voltage.
4. Tolerance and Voltage Designation: Zener Voltage (V
Z
) is measured with the Zener Current applied for PW = 1 ms.
5. Z
ZT
and Z
ZK
are measured by dividing the AC voltage drop across the device by the AC current applied.
The specified limits are for I
Z(AC)
= 0.1 I
Z(DC),
with the AC frequency = 1 kHz.
*Include SZ-prefix devices where applicable.
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2
MMSZxxxT1G Series, SZMMSZxxxT1G Series
ELECTRICAL CHARACTERISTICS
(T
A
= 25C unless otherwise noted, V
F
= 0.9 V Max. @ I
F
= 10 mA)
V
Z1
(Volts)
(Notes 6 and 7)
@ I
ZT1
= 2 mA
Min
25.65
28.50
31.35
34.20
37.05
40.85
44.65
48.45
53.20
Nom
27
30
33
36
39
43
47
51
56
Max
28.35
31.50
34.65
37.80
40.95
45.15
49.35
53.55
58.80
W
80
80
80
90
130
150
170
180
200
Z
ZT1
(Note 8)
V
Z2
(Volts)
(Notes 6 and 7)
@ I
ZT2
= 0.1 mA
Min
25
27.8
30.8
33.8
36.7
39.7
43.7
47.6
51.5
Max
28.9
32
35
38
41
46
50
54
60
Z
ZT2
(Note 8)
@ I
ZT2
=
0.5 mA
W
300
300
325
350
350
375
375
400
425
Max Reverse
Leakage Current
I
R
@ V
R
mA
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
Volts
18.9
21
23.1
25.2
27.3
30.1
32.9
35.7
39.2
Device*
MMSZ27T1G/T3G
MMSZ30T1G
MMSZ33T1G
MMSZ36T1G
MMSZ39T1G
MMSZ43T1G
MMSZ47T1G
MMSZ51T1G
MMSZ56T1G
Device
Marking
Y1
Y2
Y3
Y4
Y5
Z1
Z2
Z3
Z4
6. The type numbers shown have a standard tolerance of
5%
on the nominal Zener Voltage.
7. Tolerance and Voltage Designation: Zener Voltage (V
Z
) is measured with the Zener Current applied for PW = 1 ms.
8. Z
ZT
and Z
ZK
are measured by dividing the AC voltage drop across the device by the AC current applied.
The specified limits are for I
Z(AC)
= 0.1 I
Z(DC),
with the AC frequency = 1 kHz.
*Include SZ-prefix devices where applicable.
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3
MMSZxxxT1G Series, SZMMSZxxxT1G Series
TYPICAL CHARACTERISTICS
VZ, TEMPERATURE COEFFICIENT (mV/
C)
VZ, TEMPERATURE COEFFICIENT (mV/
C)
8
7
6
5
4
3
2
1
0
−1
−
2
−
3
2
3
4
5
6
7
8
9
10
11
12
TYPICAL T
C
VALUES
FOR MMSZxxxT1G SERIES,
SZMMSZxxxT1G SERIES
V
Z
@ I
ZT
100
TYPICAL T
C
VALUES
FOR MMSZxxxT1G SERIES,
SZMMSZxxxT1G SERIES
V
Z
@ I
ZT
10
1
10
100
V
Z
, NOMINAL ZENER VOLTAGE (V)
V
Z
, NOMINAL ZENER VOLTAGE (V)
Figure 1. Temperature Coefficients
(Temperature Range
−
55C to +150C)
Figure 2. Temperature Coefficients
(Temperature Range
−
55C to +150C)
1.2
1000
Ppk , PEAK SURGE POWER (WATTS)
1.0
RECTANGULAR
WAVEFORM, T
A
= 25C
100
0.8
P
D
versus T
L
0.6
P
D
versus T
A
0.4
10
0.2
0
0
25
50
75
100
125
150
1
0.1
1
10
100
1000
T, TEMPERATURE (C)
PW, PULSE WIDTH (ms)
Figure 3. Steady State Power Derating
Figure 4. Maximum Nonrepetitive Surge Power
1000
T
J
= 25C
I
Z(AC)
= 0.1 I
Z(DC)
f = 1 kHz
I
Z
= 1 mA
100
5 mA
20 mA
10
1000
75 V (MMSZ5267BT1G)
91 V (MMSZ5270BT1G)
Z ZT, DYNAMIC IMPEDANCE (
)
IF, FORWARD CURRENT (mA)
100
10
150C
1
1
10
100
1
0.4
0.5
75C
0.6
25C
0.7
0C
0.8
0.9
1.0
1.1
1.2
V
Z
, NOMINAL ZENER VOLTAGE
V
F
, FORWARD VOLTAGE (V)
Figure 5. Effect of Zener Voltage on
Zener Impedance
Figure 6. Typical Forward Voltage
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4
MMSZxxxT1G Series, SZMMSZxxxT1G Series
TYPICAL CHARACTERISTICS
1000
1000
I R , LEAKAGE CURRENT (
A)
0 V BIAS
1 V BIAS
T
A
= 25C
100
10
1
0.1
0.01
+ 25C
−
55C
+150C
C, CAPACITANCE (pF)
100
BIAS AT
50% OF V
Z
NOM
10
0.001
0.0001
1
0.00001
1
10
100
0
10
20
30
40
50
60
70
80
90
V
Z
, NOMINAL ZENER VOLTAGE (V)
V
Z
, NOMINAL ZENER VOLTAGE (V)
Figure 7. Typical Capacitance
Figure 8. Typical Leakage Current
100
T
A
= 25C
100
T
A
= 25C
I Z , ZENER CURRENT (mA)
I Z , ZENER CURRENT (mA)
10
10
1
1
0.1
0.1
0.01
0
2
4
6
8
10
12
0.01
10
30
50
70
90
V
Z
, ZENER VOLTAGE (V)
V
Z
, ZENER VOLTAGE (V)
Figure 9. Zener Voltage versus Zener Current
(V
Z
Up to 12 V)
Figure 10. Zener Voltage versus Zener Current
(12 V to 91 V)
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5
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