Semiconductor Components Industries, LLC, 2012
February, 2012 − Rev. 11
1Publication Order Number:
MMBZ5221BLT1/D
MMBZ52xxBLT1G Series,
SZMMBZ52xxBLT1G 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.
Features
225 mW Rating on FR−4 or FR−5 Board
Zener Voltage Range − 2.4 V to 91 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
SZ Prefix for Automotive and Other Applications Requiring Unique
Site and Control Change Requirements; AEC−Q101 Qualified and
PPAP Capable
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 Units
Total Power Dissipation on FR−5 Board,
(Note 1) @ TA = 25C
Derated above 25C
PD
225
1.8
mW
mW/C
Thermal Resistance,
Junction−to−Ambient
RqJA 556 C/W
Total Power Dissipation on Alumina
Substrate, (Note 2) @ TA = 25C
Derated above 25C
PD
300
2.4
mW
mW/C
Thermal Resistance,
Junction−to−Ambient
RqJA 417 C/W
Junction and Storage
Temperature Range
TJ, Tstg −65 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 = 1.0 X 0.75 X 0.62 in.
2. 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.
Device Package Shipping†
ORDERING INFORMATION
SOT−23
CASE 318
STYLE 8
3
Cathode
1
Anode
MARKING DIAGRAM
See specific marking information in the device marking
column of the Electrical Characteristics table on page 3 of
this data sheet.
DEVICE MARKING INFORMATION
M
MMBZ52xxBLT1G SOT−23
(Pb−Free)
3,000 /
Tape & Reel
†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.
MMBZ52xxBLT3G SOT−23
(Pb−Free)
10,000 /
Tape & Reel
http://onsemi.com
xxx G
G
xxx = Specific Device Code
M = Date Code
G= Pb−Free Package
SZMMBZ52xxBLT1G SOT−23
(Pb−Free)
3,000 /
Tape & Reel
SZMMBZ52xxBLT3G SOT−23
(Pb−Free)
10,000 /
Tape & Reel
(Note: Microdot may be in either location)
MMBZ52xxBLT1G Series, SZMMBZ52xxBLT1G Series
http://onsemi.com
2
ELECTRICAL CHARACTERISTICS
(Pinout: 1-Anode, 2-No Connection, 3-Cathode) (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
IZK Reverse Current
ZZK Maximum Zener Impedance @ IZK
IRReverse Leakage Current @ VR
VRReverse Voltage
IFForward Current
VFForward Voltage @ IFZener Voltage Regulator
IF
V
I
IR
IZT
VR
VZ
VF
MMBZ52xxBLT1G Series, SZMMBZ52xxBLT1G Series
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS (Pinout: 1-Anode, 2-NC, 3-Cathode) (VF = 0.9 V Max @ IF = 10 mA for all types.)
Device*
Device
Marking
Zener Voltage (Note 3) Zener Impedance Leakage Current
VZ (Volts) @ IZT ZZT @ IZT ZZK @ IZK IR @ VR
Min Nom Max mA W W mA mAVolts
MMBZ5221BLT1G 18A 2.28 2.4 2.52 20 30 1200 0.25 100 1
MMBZ5222BLT1G 18B 2.37 2.5 2.63 20 30 1250 0.25 100 1
MMBZ5223BLT1G 18C 2.56 2.7 2.84 20 30 1300 0.25 75 1
MMBZ5224BLT1G 18D 2.66 2.8 2.94 20 30 1400 0.25 75 1
MMBZ5225BLT1G 18E 2.85 3 3.15 20 29 1600 0.25 50 1
MMBZ5226BLT1G 8A 3.13 3.3 3.47 20 28 1600 0.25 25 1
MMBZ5227BLT1G 8B 3.42 3.6 3.78 20 24 1700 0.25 15 1
MMBZ5228BLT1G 8C 3.70 3.9 4.10 20 23 1900 0.25 10 1
MMBZ5229BLT1G 8D 4.08 4.3 4.52 20 22 2000 0.25 5 1
MMBZ5230BLT1G 8E 4.46 4.7 4.94 20 19 1900 0.25 5 2
MMBZ5231BLT1G/T3G 8F 4.84 5.1 5.36 20 17 1600 0.25 5 2
MMBZ5232BLT1G/T3G 8G 5.32 5.6 5.88 20 11 1600 0.25 5 3
MMBZ5233BLT1G 8H 5.70 6 6.30 20 7 1600 0.25 5 3.5
MMBZ5234BLT1G/T3G 8J 5.89 6.2 6.51 20 7 1000 0.25 5 4
MMBZ5235BLT1G 8K 6.46 6.8 7.14 20 5 750 0.25 3 5
MMBZ5236BLT1G 8L 7.12 7.5 7.88 20 6 500 0.25 3 6
MMBZ5237BLT1G 8M 7.79 8.2 8.61 20 8 500 0.25 3 6.5
MMBZ5238BLT1G 8N 8.26 8.7 9.14 20 8 600 0.25 3 6.5
MMBZ5239BLT1G 8P 8.64 9.1 9.56 20 10 600 0.25 3 7
MMBZ5240BLT1G 8Q 9.50 10 10.50 20 17 600 0.25 3 8
MMBZ5241BLT1G/T3G 8R 10.4 11 11.55 20 22 600 0.25 2 8.4
MMBZ5242BLT1G/T3G 8S 11.40 12 12.60 20 30 600 0.25 1 9.1
MMBZ5243BLT1G 8T 12.35 13 13.65 9.5 13 600 0.25 0.5 9.9
MMBZ5244BLT1G 8U 13.30 14 14.70 9 15 600 0.25 0.1 10
MMBZ5245BLT1G 8V 14.25 15 15.75 8.5 16 600 0.25 0.1 11
MMBZ5246BLT1G 8W 15.20 16 16.80 7.8 17 600 0.25 0.1 12
MMBZ5247BLT1G/T3G 8X 16.15 17 17.85 7.4 19 600 0.25 0.1 13
MMBZ5248BLT1G/T3G 8Y 17.10 18 18.90 7 21 600 0.25 0.1 14
MMBZ5249BLT1G 8Z 18.05 19 19.95 6.6 23 600 0.25 0.1 14
MMBZ5250BLT1G/T3G 81A 19.00 20 21.00 6.2 25 600 0.25 0.1 15
MMBZ5251BLT1G 81B 20.90 22 23.10 5.6 29 600 0.25 0.1 17
MMBZ5252BLT1G 81C 22.80 24 25.20 5.2 33 600 0.25 0.1 18
MMBZ5253BLT1G 81D 23.75 25 26.25 5 35 600 0.25 0.1 19
MMBZ5254BLT1G 81E 25.65 27 28.35 4.6 41 600 0.25 0.1 21
MMBZ5255BLT1G 81F 26.60 28 29.40 4.5 44 600 0.25 0.1 21
MMBZ5256BLT1G 81G 28.50 30 31.50 4.2 49 600 0.25 0.1 23
MMBZ5257BLT1G/T3G 81H 31.35 33 34.65 3.8 58 700 0.25 0.1 25
MMBZ5258BLT1G 81J 34.20 36 37.80 3.4 70 700 0.25 0.1 27
MMBZ5259BLT1G 81K 37.05 39 40.95 3.2 80 800 0.25 0.1 30
MMBZ5260BLT1G 81L 40.85 43 45.15 3 93 900 0.25 0.1 33
MMBZ5261BLT1G/T3G 81M 44.65 47 49.35 2.7 105 1000 0.25 0.1 36
MMBZ5262BLT1G 81N 48.45 51 53.55 2.5 125 1100 0.25 0.1 39
MMBZ5263BLT1G 81P 53.20 56 58.80 2.2 150 1300 0.25 0.1 43
MMBZ5264BLT1G 81Q 57.00 60 63.00 2.1 170 1400 0.25 0.1 46
MMBZ5265BLT1G 81R 58.90 62 65.10 2 185 1400 0.25 0.1 47
MMBZ5266BLT1G 81S 64.60 68 71.40 1.8 230 1600 0.25 0.1 52
MMBZ5267BLT1G 81T 71.25 75 78.75 1.7 270 1700 0.25 0.1 56
MMBZ5268BLT1G 81U 77.90 82 86.10 1.5 330 2000 0.25 0.1 62
MMBZ5270BLT1G 81W 86.45 91 95.55 1.4 400 2300 0.25 0.1 69
3. Zener voltage is measured with a pulse test current IZ at an ambient temperature of 25C
NOTE: MMBZ5233BLT1G, MMBZ5246BLT1G, MMBZ5251BLT1G, and MMBZ5252BLT1G Not Available in 10,000/Tape & Reel.
*Include SZ-prefix devices where applicable.
MMBZ52xxBLT1G Series, SZMMBZ52xxBLT1G 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 MMBZ52xxBLT1G SERIES
VZ @ IZT
VZ, TEMPERATURE COEFFICIENT (mV/ C)
100
10
110 100
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 2. Temperature Coefficients
(Temperature Range −55C to +150C)
TYPICAL TC VALUES
FOR MMBZ52xxBLT1G SERIES
VZ @ IZT
100
VZ, NOMINAL ZENER VOLTAGE
Figure 3. 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
5 mA
20 mA
VF
, FORWARD VOLTAGE (V)
Figure 4. Typical Forward Voltage
1.21.11.00.90.80.70.60.50.4
IF, FORWARD CURRENT (mA)
1000
100
10
1
75 V (MMBZ5267BLT1G)
91 V (MMBZ5270BLT1G)
150C75C25C0C
MMBZ52xxBLT1G Series, SZMMBZ52xxBLT1G Series
http://onsemi.com
5
TYPICAL CHARACTERISTICS
C, CAPACITANCE (pF)
100
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 5. Typical Capacitance
1000
100
10
1101
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
0.0110 30 50 70 90
TA = 25C
IR, LEAKAGE CURRENT ( A)
90
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 6. 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 7. Zener Voltage versus Zener Current
(VZ Up to 12 V)
Figure 8. Zener Voltage versus Zener Current
(12 V to 91 V)
MMBZ52xxBLT1G Series, SZMMBZ52xxBLT1G Series
http://onsemi.com
6
PACKAGE DIMENSIONS
SOT−23 (TO−236)
CASE 318−08
ISSUE AP
D
A1
3
12
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH
THICKNESS. MINIMUM LEAD THICKNESS IS THE MINIMUM
THICKNESS OF BASE MATERIAL.
4. DIMENSIONS D AND E DO NOT INCLUDE MOLD FLASH,
PROTRUSIONS, OR GATE BURRS.
ǒmm
inchesǓ
SCALE 10:1
0.8
0.031
0.9
0.035
0.95
0.037
0.95
0.037
2.0
0.079
VIEW C
L
0.25
L1
q
e
EE
b
A
SEE VIEW C
DIM
A
MIN NOM MAX MIN
MILLIMETERS
0.89 1.00 1.11 0.035
INCHES
A1 0.01 0.06 0.10 0.001
b0.37 0.44 0.50 0.015
c0.09 0.13 0.18 0.003
D2.80 2.90 3.04 0.110
E1.20 1.30 1.40 0.047
e1.78 1.90 2.04 0.070
L0.10 0.20 0.30 0.004
0.040 0.044
0.002 0.004
0.018 0.020
0.005 0.007
0.114 0.120
0.051 0.055
0.075 0.081
0.008 0.012
NOM MAX
L1
H
2.10 2.40 2.64 0.083 0.094 0.104
HE
0.35 0.54 0.69 0.014 0.021 0.029
c
0−−− 10 0 −−− 10
q
STYLE 8:
PIN 1. ANODE
2. NO CONNECTION
3. CATHODE
*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*
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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
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“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
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MMBZ5221BLT1/D
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