Semiconductor Components Industries, LLC, 2012
January, 2012 − Rev. 11
1Publication Order Number:
MMSZ2V4T1/D
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
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:
260C for 10 Seconds
POLARITY: Cathode indicated by polarity band
FLAMMABILITY RATING: UL 94 V−0
MAXIMUM RATINGS
Rating Symbol Max Unit
Total Power Dissipation on FR−5 Board,
(Note 1) @ TL = 75C
Derated above 75C
PD500
6.7
mW
mW/C
Thermal Resistance, Junction−to−Ambient
(Note 2)
RqJA 340 C/W
Thermal Resistance, Junction−to−Lead
(Note 2)
RqJL 150 C/W
Junction and Storage Temperature Range TJ, Tstg −55 to +150 C
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 additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
Device Package Shipping†
ORDERING INFORMATION
SOD−123
CASE 425
STYLE 1
1
Cathode
2
Anode
MARKING DIAGRAM
See specific marking information in the device marking
column of the Electrical Characteristics table on page 2 of
this data sheet.
DEVICE MARKING INFORMATION
http://onsemi.com
†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.
MMSZxxxT1G SOD−123
(Pb−Free)
3,000 /
Tape & Reel
xx M G
G
xx = Device Code
M = Date Code
G= Pb−Free Package
MMSZxxxT3G SOD−123
(Pb−Free)
10,000 /
Tape & Reel
1
(Note: Microdot may be in either location)
SZMMSZxxxT1G SOD−123
(Pb−Free)
3,000 /
Tape & Reel
SZMMSZxxxT3G SOD−123
(Pb−Free)
10,000 /
Tape & Reel
MMSZxxxT1G Series, SZMMSZxxxT1G Series
http://onsemi.com
2
ELECTRICAL CHARACTERISTICS (TA = 25C unless
otherwise noted, VF = 0.95 V Max. @ IF = 10 mA)
Symbol Parameter
VZReverse Zener Voltage @ IZT
IZT Reverse Current
ZZT Maximum Zener Impedance @ IZT
IRReverse Leakage Current @ VR
VRReverse Voltage
IFForward Current
VFForward Voltage @ IF
Zener Voltage Regulator
IF
V
I
IR
IZT
VR
VZ
VF
ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted, VF = 0.9 V Max. @ IF = 10 mA)
Device*
Device
Marking
VZ1 (Volts)
(Notes 3 and 4)
ZZT1
(Note 5)
VZ2 (Volts)
(Notes 3 and 4)
ZZT2
(Note 5)
Max Reverse
Leakage Current
@ IZT1 = 5 mA @ IZT2 = 1 mA IR @ VR
Min Nom Max WMin Max W mAVolts
MMSZ2V4T1G T1 2.28 2.4 2.52 100 1.7 2.1 600 50 1
MMSZ2V7T1G T2 2.57 2.7 2.84 100 1.9 2.4 600 20 1
MMSZ3V0T1G T3 2.85 3.0 3.15 95 2.1 2.7 600 10 1
MMSZ3V3T1G T4 3.14 3.3 3.47 95 2.3 2.9 600 5 1
MMSZ3V6T1G T5 3.42 3.6 3.78 90 2.7 3.3 600 5 1
MMSZ3V9T1G U1 3.71 3.9 4.10 90 2.9 3.5 600 3 1
MMSZ4V3T1G U2 4.09 4.3 4.52 90 3.3 4.0 600 3 1
MMSZ4V7T1G U3 4.47 4.7 4.94 80 3.7 4.7 500 3 2
MMSZ5V1T1G U4 4.85 5.1 5.36 60 4.2 5.3 480 2 2
MMSZ5V6T1G/T3G U5 5.32 5.6 5.88 40 4.8 6.0 400 1 2
MMSZ6V2T1G V1 5.89 6.2 6.51 10 5.6 6.6 150 3 4
MMSZ6V8T1G V2 6.46 6.8 7.14 15 6.3 7.2 80 2 4
MMSZ7V5T1G V3 7.13 7.5 7.88 15 6.9 7.9 80 1 5
MMSZ8V2T1G V4 7.79 8.2 8.61 15 7.6 8.7 80 0.7 5
MMSZ9V1T1G V5 8.65 9.1 9.56 15 8.4 9.6 100 0.5 6
MMSZ10T1G A1 9.50 10 10.50 20 9.3 10.6 150 0.2 7
MMSZ11T1G A2 10.45 11 11.55 20 10.2 11.6 150 0.1 8
MMSZ12T1G A3 11.40 12 12.60 25 11.2 12.7 150 0.1 8
MMSZ13T1G A4 12.35 13 13.65 30 12.3 14.0 170 0.1 8
MMSZ15T1G A5 14.25 15 15.75 30 13.7 15.5 200 0.05 10.5
MMSZ16T1G X1 15.20 16 16.80 40 15.2 17.0 200 0.05 11.2
MMSZ18T1G/T3G X2 17.10 18 18.90 45 16.7 19.0 225 0.05 12.6
MMSZ20T1G X3 19.00 20 21.00 55 18.7 21.1 225 0.05 14
MMSZ22T1G X4 20.90 22 23.10 55 20.7 23.2 250 0.05 15.4
MMSZ24T1G X5 22.80 24 25.20 70 22.7 25.5 250 0.05 16.8
3. The type numbers shown have a standard tolerance of 5% on the nominal Zener Voltage.
4. Tolerance and Voltage Designation: Zener Voltage (VZ) is measured with the Zener Current applied for PW = 1 ms.
5. ZZT and ZZK are measured by dividing the AC voltage drop across the device by the AC current applied.
The specified limits are for IZ(AC) = 0.1 IZ(DC), with the AC frequency = 1 kHz.
*Include SZ-prefix devices where applicable.
MMSZxxxT1G Series, SZMMSZxxxT1G Series
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted, VF = 0.9 V Max. @ IF = 10 mA)
Device*
Device
Marking
VZ1 (Volts)
(Notes 6 and 7)
ZZT1
(Note 8)
VZ2 (Volts)
(Notes 6 and 7)
ZZT2
(Note 8)
Max Reverse
Leakage Current
@ IZT1 = 2 mA @ IZT2 = 0.1 mA
@ IZT2 =
0.5 mA IR @ VR
Min Nom Max WMin Max W mAVolts
MMSZ27T1G/T3G Y1 25.65 27 28.35 80 25 28.9 300 0.05 18.9
MMSZ30T1G Y2 28.50 30 31.50 80 27.8 32 300 0.05 21
MMSZ33T1G Y3 31.35 33 34.65 80 30.8 35 325 0.05 23.1
MMSZ36T1G Y4 34.20 36 37.80 90 33.8 38 350 0.05 25.2
MMSZ39T1G Y5 37.05 39 40.95 130 36.7 41 350 0.05 27.3
MMSZ43T1G Z1 40.85 43 45.15 150 39.7 46 375 0.05 30.1
MMSZ47T1G Z2 44.65 47 49.35 170 43.7 50 375 0.05 32.9
MMSZ51T1G Z3 48.45 51 53.55 180 47.6 54 400 0.05 35.7
MMSZ56T1G Z4 53.20 56 58.80 200 51.5 60 425 0.05 39.2
6. The type numbers shown have a standard tolerance of 5% on the nominal Zener Voltage.
7. Tolerance and Voltage Designation: Zener Voltage (VZ) is measured with the Zener Current applied for PW = 1 ms.
8. ZZT and ZZK are measured by dividing the AC voltage drop across the device by the AC current applied.
The specified limits are for IZ(AC) = 0.1 IZ(DC), with the AC frequency = 1 kHz.
*Include SZ-prefix devices where applicable.
MMSZxxxT1G Series, SZMMSZxxxT1G Series
http://onsemi.com
4
TYPICAL CHARACTERISTICS
VZ, TEMPERATURE COEFFICIENT (mV/ C)
VZ, NOMINAL ZENER VOLTAGE (V)
−3
−2
−1
0
1
2
3
4
5
6
7
8
12111098765432
Figure 1. Temperature Coefficients
(Temperature Range −55C to +150C)
TYPICAL TC VALUES
FOR MMSZxxxT1G SERIES,
SZMMSZxxxT1G SERIES
VZ @ IZT
VZ, TEMPERATURE COEFFICIENT (mV/ C)
100
10
1
10 100
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 2. Temperature Coefficients
(Temperature Range −55C to +150C)
VZ @ IZT
1.2
1.0
0.8
0.6
0.4
0.2
01501251007550250
T, TEMPERATURE (C)
Figure 3. Steady State Power Derating
PD versus TA
PD versus TL
Ppk, PEAK SURGE POWER (WATTS)
0.1
PW, PULSE WIDTH (ms)
Figure 4. Maximum Nonrepetitive Surge Power
1 10 100 1000
1000
100
10
1
RECTANGULAR
WAVEFORM, TA = 25C
100
VZ, NOMINAL ZENER VOLTAGE
Figure 5. Effect of Zener Voltage on
Zener Impedance
101
ZZT, DYNAMIC IMPEDANCE ( )
1000
100
10
1
TJ = 25C
IZ(AC) = 0.1 IZ(DC)
f = 1 kHz
IZ = 1 mA
20 mA
VF
, FORWARD VOLTAGE (V)
Figure 6. Typical Forward Voltage
1.
2
1.11.00.90.80.70.60.50.4
IF, FORWARD CURRENT (mA)
1000
100
10
1
75 V (MMSZ5267BT1G)
91 V (MMSZ5270BT1G)
150C75C 25C 0C
TYPICAL TC VALUES
FOR MMSZxxxT1G SERIES,
SZMMSZxxxT1G SERIES
5 mA
MMSZxxxT1G Series, SZMMSZxxxT1G Series
http://onsemi.com
5
TYPICAL CHARACTERISTICS
C, CAPACITANCE (pF)
100
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 7. Typical Capacitance
1000
100
10
1
101
BIAS AT
50% OF VZ NOM
TA = 25C
0 V BIAS
1 V BIAS
12
VZ, ZENER VOLTAGE (V)
100
10
1
0.1
0.01 1086420
TA = 25C
IZ, ZENER CURRENT (mA)
VZ, ZENER VOLTAGE (V)
100
10
1
0.1
0.01 10 30 50 70 90
TA = 25C
IR, LEAKAGE CURRENT ( A)
9
0
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 8. Typical Leakage Current
1000
100
10
1
0.1
0.01
0.001
0.0001
0.00001
80706050403020100
+150C
+25C
−55C
IZ, ZENER CURRENT (mA)
Figure 9. Zener Voltage versus Zener Current
(VZ Up to 12 V)
Figure 10. Zener Voltage versus Zener Current
(12 V to 91 V)
MMSZxxxT1G Series, SZMMSZxxxT1G Series
http://onsemi.com
6
PACKAGE DIMENSIONS
SOD−123
CASE 425−04
ISSUE G
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
ÂÂÂÂ
ÂÂÂÂ
E
b
DA
L
C
1
2
A1
DIM MIN NOM MAX
MILLIMETERS INCHES
A0.94 1.17 1.35 0.037
A1 0.00 0.05 0.10 0.000
b0.51 0.61 0.71 0.020
c
1.60
0.15
0.055
D1.40 1.80
E2.54 2.69 2.84 0.100
---
3.68 0.140
L0.25
3.86
0.010
HE
0.046
0.002
0.024
0.063
0.106
0.145
0.053
0.004
0.028
0.071
0.112
0.152
MIN NOM MAX
3.56
HE
---
--- ---
0.006
--- ---
--- ---
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
SOLDERING FOOTPRINT*
STYLE 1:
PIN 1. CATHODE
2. ANODE
1.22
0.048
ÉÉ
ÉÉ
ÉÉ
0.91
0.036
2.36
0.093
4.19
0.165
ǒmm
inchesǓ
SCALE 10:1
ÉÉ
ÉÉ
ÉÉ
q
--- ---
q00
10 10
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