© Semiconductor Components Industries, LLC, 2001
October, 2016 − Rev. 13 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
These Devices are Pb−Free, Halogen Free/BFR 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:
260°C 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 = 25°C
Derated above 25°C
PD225
1.8 mW
mW/°C
Thermal Resistance,
Junction−to−Ambient RqJA 556 °C/W
Total Power Dissipation on Alumina
Substrate, (Note 2) @ TA = 25°C
Derated above 25°C
PD300
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 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 af fected.
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.
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 o
f
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 t o our Tape and Reel Packaging Specification
s
Brochure, BRD8011/D.
MMBZ52xxBLT3G SOT−23
(Pb−Free) 10,000 /
Tape & Reel
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)
www.onsemi.com
MMBZ52xxBLT1G Series, SZMMBZ52xxBLT1G Series
www.onsemi.com
2
ELECTRICAL CHARACTERISTICS
(Pinout: 1-Anode, 2-No Connection, 3-Cathode) (TA = 25°C
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
VZVF
MMBZ52xxBLT1G Series, SZMMBZ52xxBLT1G Series
www.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
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.
3. Zener voltage is measured with a pulse test current IZ at an ambient temperature of 25°C
NOTE: MMBZ5233BLT1G, MMBZ5246BLT1G, MMBZ5251BLT1G, and MMBZ5252BLT1G Not Available in 10,000/Tape & Reel.
*Include SZ-prefix devices where applicable.
MMBZ52xxBLT1G Series, SZMMBZ52xxBLT1G Series
www.onsemi.com
4
TYPICAL CHARACTERISTICS
VZ, TEMPERATURE COEFFICIENT (mV/ C)°θ
VZ, NOMINAL ZENER VOLTAGE (V)
-3
-2
-1
0
1
2
3
4
5
6
7
8
12111098765432
Figure 1. Temperature Coefficients
(Temperature Range −55°C to +150°C)
TYPICAL TC VALUES
FOR MMBZ52xxBLT1G SERIES
VZ @ IZT
VZ, TEMPERATURE COEFFICIENT (mV/ C)°θ
100
10
110 100
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 2. Temperature Coefficients
(Temperature Range −55°C to +150°C)
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 ( )Ω
1000
100
10
1
TJ = 25°C
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)
150°C75°C25°C0°C
MMBZ52xxBLT1G Series, SZMMBZ52xxBLT1G Series
www.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 = 25°C
0 V BIAS
1 V BIAS
12
VZ, ZENER VOLTAGE (V)
100
10
1
0.1
0.01 1086420
TA = 25°C
IZ, ZENER CURRENT (mA)
VZ, ZENER VOLTAGE (V)
100
10
1
0.1
0.0110 30 50 70 90
TA = 25°C
IR, LEAKAGE CURRENT ( A)μ
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
+150°C
+25°C
−55°C
IZ, ZENER CURRENT (mA)
Figure 7. Zener Voltage versus Zener Current
(V
Z
Up to 12 V) Figure 8. Zener Voltage versus Zener Current
(12 V to 91 V)
MMBZ52xxBLT1G Series, SZMMBZ52xxBLT1G Series
www.onsemi.com
6
PACKAGE DIMENSIONS
SOT−23 (TO−236)
CASE 318−08
ISSUE AR
D
A1
3
12
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH.
MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF
THE BASE MATERIAL.
4. DIMENSIONS D AND E DO NOT INCLUDE MOLD FLASH,
PROTRUSIONS, OR GATE BURRS.
SOLDERING FOOTPRINT*
VIEW C
L
0.25
L1
e
EE
b
A
SEE VIEW C
DIM
AMIN NOM MAX MIN
MILLIMETERS
0.89 1.00 1.11 0.035
INCHES
A1 0.01 0.06 0.10 0.000
b0.37 0.44 0.50 0.015
c0.08 0.14 0.20 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
L0.30 0.43 0.55 0.012
0.039 0.044
0.002 0.004
0.017 0.020
0.006 0.008
0.114 0.120
0.051 0.055
0.075 0.080
0.017 0.022
NOM MAX
L1
H
2.10 2.40 2.64 0.083 0.094 0.104
HE0.35 0.54 0.69 0.014 0.021 0.027
c0 −−− 10 0 −−− 10
T°°°°
T
3X
TOP VIEW
SIDE VIEW END VIEW
2.90
0.80
DIMENSIONS: MILLIMETERS
0.90
PITCH
3X
3X 0.95
RECOMMENDED
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
STYLE 8:
PIN 1. ANODE
2. NO CONNECTION
3. CATHODE
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