MMSZ52xxET1 Series,
SZMMSZ52xxET1G 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.
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1
Cathode
Features
•
•
•
•
•
•
•
•
•
•
500 mW Rating on FR−4 or FR−5 Board
Wide Zener Reverse Voltage Range − 2.4 V to 110 V
Package Designed for Optimal Automated Board Assembly
Small Package Size for High Density Applications
General Purpose, Medium Current
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:
2
Anode
SOD−123
CASE 425
STYLE 1
2
1
MARKING DIAGRAM
1
xxx M G
G
xxx = Device Code (Refer to page 2)
M
= Date Code
G
= Pb−Free Package
(Note: Microdot may be in either location)
260°C for 10 Seconds
POLARITY: Cathode indicated by polarity band
FLAMMABILITY RATING: UL 94 V−0
ORDERING INFORMATION
MAXIMUM RATINGS
Rating
Package
Shipping†
MMSZ52xxET1
SOD−123
3000 / Tape &
Reel
MMSZ52xxET1G
SOD−123
(Pb−Free)
3000 / Tape &
Reel
SZMMSZ52xxET1G
SOD−123
(Pb−Free)
3000 / Tape &
Reel
Device
Symbol
Max
Unit
Peak Power Dissipation @ 20 ms (Note 1)
@ TL ≤ 25°C
Ppk
225
W
Total Power Dissipation on FR−5 Board,
(Note 3) @ TL = 75°C
Derated above 75°C
PD
500
6.7
mW
mW/°C
Thermal Resistance, (Note 2)
Junction−to−Ambient
RqJA
340
°C/W
MMSZ52xxET3
SOD−123
10000 / Tape &
Reel
Thermal Resistance, (Note 2)
Junction−to−Lead
RqJL
150
°C/W
MMSZ52xxET3G
SOD−123
(Pb−Free)
10000 / Tape &
Reel
TJ, Tstg
−55 to
+150
°C
Junction and Storage Temperature Range
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 11.
2. Thermal Resistance measurement obtained via infrared Scan Method.
3. FR−5 = 3.5 x 1.5 inches, using the minimum recommended footprint.
© Semiconductor Components Industries, LLC, 2011
November, 2011 − Rev. 7
1
†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.
Publication Order Number:
MMSZ5221ET1/D
MMSZ52xxET1 Series, SZMMSZ52xxET1G Series
ELECTRICAL CHARACTERISTICS (TA = 25°C unless
I
otherwise noted, VF = 0.95 V Max. @ IF = 10 mA)
IF
Parameter
Symbol
VZ
Reverse Zener Voltage @ IZT
IZT
Reverse Current
ZZT
Maximum Zener Impedance @ IZT
IZK
Reverse Current
ZZK
Maximum Zener Impedance @ IZK
IR
Reverse Leakage Current @ VR
VR
Reverse Voltage
IF
Forward Current
VF
Forward Voltage @ IF
VZ VR
V
IR VF
IZT
Zener Voltage Regulator
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted, VF = 0.9 V Max. @ IF = 10 mA)
Zener Voltage (Notes 4 and 5)
VZ (V)
Zener Impedance (Note 6)
Leakage Current
@ IZT
ZZT @ IZT
Max
mA
W
W
mA
mA
V
2.4
2.52
20
30
1200
0.25
100
1
2.57
2.7
2.84
20
30
1300
0.25
75
1
CA6
3.14
3.3
3.47
20
28
1600
0.25
25
1
CA8
3.71
3.9
4.10
20
23
1900
0.25
10
1
MMSZ5229ET1
CA9
4.09
4.3
4.52
20
22
2000
0.25
5
1
MMSZ5231ET1
CB2
4.85
5.1
5.36
20
17
1600
0.25
5
2
MMSZ5232ET1
CB3
5.32
5.6
5.88
20
11
1600
0.25
5
3
MMSZ5234ET1
CB5
5.89
6.2
6.51
20
7
1000
0.25
5
4
SZ/MMSZ5235ET1
CB6
6.46
6.8
7.14
20
5
750
0.25
3
5
MMSZ5236ET1
CB7
7.13
7.5
7.88
20
6
500
0.25
3
6
SZ/MMSZ5237ET1
CB8
7.79
8.2
8.61
20
8
500
0.25
3
6.5
MMSZ5240ET1
CC2
9.50
10
10.50
20
17
600
0.25
3
8
SZ/MMSZ5242ET1
CC4
11.40
12
12.60
20
30
600
0.25
1
9.1
MMSZ5243ET1
CC5
12.35
13
13.65
9.5
13
600
0.25
0.5
9.9
SZ/MMSZ5244ET1
CC6
13.30
14
14.70
9.0
15
600
0.25
0.1
10
SZ/MMSZ5245ET1
CC7
14.25
15
15.75
8.5
16
600
0.25
0.1
11
SZ/MMSZ5246ET1
CC8
15.20
16
16.80
7.8
17
600
0.25
0.1
12
MMSZ5248ET1
CD1
17.10
18
18.90
7.0
21
600
0.25
0.1
14
MMSZ5250ET1
CD3
19.00
20
21.00
6.2
25
600
0.25
0.1
15
SZ/MMSZ5252ET1
CD5
22.80
24
25.20
5.2
33
600
0.25
0.1
18
Device
Marking
Min
Nom
MMSZ5221ET1
CA1
2.28
MMSZ5223ET1
CA3
MMSZ5226ET1
MMSZ5228ET1
Device*
ZZK @ IZK
4. The type numbers shown have a standard tolerance of ±5% on the nominal Zener voltage.
5. Nominal Zener voltage is measured with the device junction in thermal equilibrium at TL = 30°C $1°C.
6. 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.
*The “G’’ suffix indicates Pb−Free package available. See Ordering Information Table on page 1.
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2
IR @ VR
MMSZ52xxET1 Series, SZMMSZ52xxET1G Series
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted, VF = 0.9 V Max. @ IF = 10 mA)
Zener Voltage (Notes 4 and 5)
VZ (V)
Zener Impedance (Note 6)
@ IZT
ZZT @ IZT
ZZK @ IZK
Leakage Current
IR @ VR
Device
Marking
Min
Nom
Max
mA
W
W
mA
mA
V
MMSZ5253ET1
CD6
23.75
25
26.25
5.0
35
600
0.25
0.1
19
SZ/MMSZ5254ET1
CD7
25.65
27
28.35
4.6
41
600
0.25
0.1
21
SZ/MMSZ5255ET1
CD8
26.60
28
29.40
4.5
44
600
0.25
0.1
21
SZ/MMSZ5256ET1
CD9
28.50
30
31.50
4.2
49
600
0.25
0.1
23
SZ/MMSZ5257ET1
CE1
31.35
33
34.65
3.8
58
700
0.25
0.1
25
MMSZ5258ET1
CE2
34.20
36
37.80
3.4
70
700
0.25
0.1
27
MMSZ5259ET1
CE3
37.05
39
40.95
3.2
80
800
0.25
0.1
30
MMSZ5262ET1
CE6
48.45
51
53.55
2.5
125
1100
0.25
0.1
39
MMSZ5263ET1
CE7
53.20
56
58.80
2.2
150
1300
0.25
0.1
43
Device*
4. The type numbers shown have a standard tolerance of ±5% on the nominal Zener voltage.
5. Nominal Zener voltage is measured with the device junction in thermal equilibrium at TL = 30°C $1°C.
6. 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.
*The “G’’ suffix indicates Pb−Free package available. See Ordering Information Table on page 1.
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3
MMSZ52xxET1 Series, SZMMSZ52xxET1G Series
qVZ, TEMPERATURE COEFFICIENT (mV/°C)
qVZ, TEMPERATURE COEFFICIENT (mV/°C)
TYPICAL CHARACTERISTICS
8
100
7
TYPICAL TC VALUES
FOR MMSZ5221BT1 SERIES
6
5
4
VZ @ IZT
3
2
1
0
−1
−2
−3
2
3
4
5
6
7
8
9
10
VZ, NOMINAL ZENER VOLTAGE (V)
11
12
TYPICAL TC VALUES
FOR MMSZ5221BT1 SERIES
VZ @ IZT
10
1
10
100
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 1. Temperature Coefficients
(Temperature Range − 55°C to +150°C)
Figure 2. Temperature Coefficients
(Temperature Range − 55°C to +150°C)
1000
Ppk, PEAK SURGE POWER (WATTS)
PD, POWER DISSIPATION (WATTS)
1.2
1.0
PD versus TL
0.8
0.6
100
PD versus TA
0.4
0.2
0
0
25
RECTANGULAR
WAVEFORM, TA = 25°C
50
75
100
T, TEMPERATURE (°C)
125
10
1
150
Figure 3. Steady State Power Derating
1
1000
1000
TJ = 25°C
IZ(AC) = 0.1 IZ(DC)
f = 1 kHz
IF, FORWARD CURRENT (mA)
IZ = 1 mA
100
75 V (MMSZ5267BT1)
91 V (MMSZ5270BT1)
100
5 mA
20 mA
10
10
150°C
1
10
100
PW, PULSE WIDTH (ms)
Figure 4. Maximum Nonrepetitive Surge Power
1000
ZZT, DYNAMIC IMPEDANCE (W)
0.1
1
10
VZ, NOMINAL ZENER VOLTAGE
100
1
0.4
Figure 5. Effect of Zener Voltage on
Zener Impedance
0.5
75°C 25°C
0°C
0.6
0.7
0.8
0.9
1.0
VF, FORWARD VOLTAGE (V)
Figure 6. Typical Forward Voltage
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4
1.1
1.2
MMSZ52xxET1 Series, SZMMSZ52xxET1G Series
TYPICAL CHARACTERISTICS
TA = 25°C
0 V BIAS
1 V BIAS
C, CAPACITANCE (pF)
IR, LEAKAGE CURRENT (mA)
1000
100
BIAS AT
50% OF VZ NOM
10
1
1
100
10
VZ, NOMINAL ZENER VOLTAGE (V)
1000
100
10
1
+150°C
0.1
0.01
0.001
+ 25°C
0.0001
−55°C
0.00001
0
10
Figure 7. Typical Capacitance
IZ, ZENER CURRENT (mA)
10
1
0.1
2
4
6
8
VZ, ZENER VOLTAGE (V)
1
0.1
0.01
12
10
10
100
30
50
70
VZ, ZENER VOLTAGE (V)
PEAK VALUE IRSM @ 8 ms
tr
90
10
PULSE WIDTH (tP) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAY = 8 ms
80
70
60
50
HALF VALUE IRSM/2 @ 20 ms
40
30
tP
20
10
0
0
20
90
Figure 10. Zener Voltage versus Zener Current
(12 V to 91 V)
Figure 9. Zener Voltage versus Zener Current
(VZ Up to 12 V)
% OF PEAK PULSE CURRENT
IZ, ZENER CURRENT (mA)
TA = 25°C
TA = 25°C
0
80
Figure 8. Typical Leakage Current
100
100
0.01
20
30
40
50
60
70
VZ, NOMINAL ZENER VOLTAGE (V)
40
60
t, TIME (ms)
Figure 11. 8 × 20 ms Pulse Waveform
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5
80
90
MMSZ52xxET1 Series, SZMMSZ52xxET1G Series
PACKAGE DIMENSIONS
SOD−123
CASE 425−04
ISSUE G
D
ÂÂÂÂ
ÂÂÂÂ
A
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
A1
1
HE
DIM
A
A1
b
c
D
E
HE
L
q
E
2
MIN
0.037
0.000
0.020
--0.055
0.100
0.140
0.010
0°
INCHES
NOM
0.046
0.002
0.024
--0.063
0.106
0.145
-----
MAX
0.053
0.004
0.028
0.006
0.071
0.112
0.152
--10 °
STYLE 1:
PIN 1. CATHODE
2. ANODE
q
L
b
MILLIMETERS
MIN
NOM
MAX
0.94
1.17
1.35
0.00
0.05
0.10
0.51
0.61
0.71
----0.15
1.40
1.60
1.80
2.54
2.69
2.84
3.56
3.68
3.86
----0.25
--10 °
0°
C
SOLDERING FOOTPRINT*
ÉÉ
ÉÉ
ÉÉ
ÉÉ
0.91
0.036
2.36
0.093
4.19
0.165
ÉÉ
ÉÉ
ÉÉ
ÉÉ
SCALE 10:1
1.22
0.048
mm Ǔ
ǒinches
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
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For additional information, please contact your local
Sales Representative
MMSZ5221ET1/D
