SZMMBZ5239BLT3G - ON Semiconductor L.L.C.

November, 2011 − Rev. 10

1Publication Order Number:

MMBZ5221BLT1/D

MMBZ52xxBLT1 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

•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:

260°C 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) @ TA = 25°C

Derated above 25°C

225

1.8

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

300

2.4

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.

Device Package Shipping†

ORDERING INFORMATION

SOT−23

CASE 318

STYLE 8

Cathode

Anode

MMBZ52xxBLT1 SOT−23 3000/Tape & Reel

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

MMBZ52xxBLT3 SOT−23 10,000/Tape &

Reel

MMBZ52xxBLT1G SOT−23

(Pb−Free)

3000/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

xxx = Specific Device Code

M = Date Code

G= Pb−Free Package

(Note: Microdot may be in either location)

SZMMBZ52xxBLT1G SOT−23

(Pb−Free)

3000/Tape & Reel

SZMMBZ52xxBLT3G SOT−23

(Pb−Free)

10,000/Tape &

Reel

MMBZ52xxBLT1 Series, SZMMBZ52xxBLT1G Series

http://onsemi.com

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 @ IF

Zener Voltage Regulator

IZT

MMBZ52xxBLT1 Series, SZMMBZ52xxBLT1G Series

http://onsemi.com

ELECTRICAL CHARACTERISTICS (Pinout: 1-Anode, 2-NC, 3-Cathode) (VF = 0.9 V Max @ IF = 10 mA for all types.)

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

SZ/MMBZ5221BL, G 18A 2.28 2.4 2.52 20 30 1200 0.25 100 1

SZ/MMBZ5222BL, G 18B 2.37 2.5 2.63 20 30 1250 0.25 100 1

MMBZ5223BL, G 18C 2.56 2.7 2.84 20 30 1300 0.25 75 1

MMBZ5224BL, G 18D 2.66 2.8 2.94 20 30 1400 0.25 75 1

SZ/MMBZ5225BL, G 18E 2.85 3 3.15 20 29 1600 0.25 50 1

SZ/MMBZ5226BL, G 8A 3.13 3.3 3.47 20 28 1600 0.25 25 1

SZ/MMBZ5227BL, G 8B 3.42 3.6 3.78 20 24 1700 0.25 15 1

SZ/MMBZ5228BL, G 8C 3.70 3.9 4.10 20 23 1900 0.25 10 1

SZ/MMBZ5229BL, G 8D 4.08 4.3 4.52 20 22 2000 0.25 5 1

SZ/MMBZ5230BL, G 8E 4.46 4.7 4.94 20 19 1900 0.25 5 2

SZ/MMBZ5231BL, G 8F 4.84 5.1 5.36 20 17 1600 0.25 5 2

SZ/MMBZ5232BL, G 8G 5.32 5.6 5.88 20 11 1600 0.25 5 3

SZ/MMBZ5233BL, G 8H 5.70 6 6.30 20 7 1600 0.25 5 3.5

SZ/MMBZ5234BL, G 8J 5.89 6.2 6.51 20 7 1000 0.25 5 4

SZ/MMBZ5235BL, G 8K 6.46 6.8 7.14 20 5 750 0.25 3 5

SZ/MMBZ5236BL, G 8L 7.12 7.5 7.88 20 6 500 0.25 3 6

SZ/MMBZ5237BL, G 8M 7.79 8.2 8.61 20 8 500 0.25 3 6.5

SZ/MMBZ5238BL, G 8N 8.26 8.7 9.14 20 8 600 0.25 3 6.5

SZ/MMBZ5239BL, G 8P 8.64 9.1 9.56 20 10 600 0.25 3 7

SZ/MMBZ5240BL, G 8Q 9.50 10 10.50 20 17 600 0.25 3 8

SZ/MMBZ5241BL, G 8R 10.4 11 11.55 20 22 600 0.25 2 8.4

SZ/MMBZ5242BL, G 8S 11.40 12 12.60 20 30 600 0.25 1 9.1

SZ/MMBZ5243BL, G 8T 12.35 13 13.65 9.5 13 600 0.25 0.5 9.9

SZ/MMBZ5244BL, G 8U 13.30 14 14.70 9 15 600 0.25 0.1 10

SZ/MMBZ5245BL, G 8V 14.25 15 15.75 8.5 16 600 0.25 0.1 11

SZ/MMBZ5246BL, G 8W 15.20 16 16.80 7.8 17 600 0.25 0.1 12

MMBZ5247BL, G 8X 16.15 17 17.85 7.4 19 600 0.25 0.1 13

SZ/MMBZ5248BL,G 8Y 17.10 18 18.90 7 21 600 0.25 0.1 14

SZ/MMBZ5249BL, G 8Z 18.05 19 19.95 6.6 23 600 0.25 0.1 14

SZ/MMBZ5250BL,G 81A 19.00 20 21.00 6.2 25 600 0.25 0.1 15

MMBZ5251BL, G 81B 20.90 22 23.10 5.6 29 600 0.25 0.1 17

MMBZ5252BL, G 81C 22.80 24 25.20 5.2 33 600 0.25 0.1 18

SZ/MMBZ5253BL, G 81D 23.75 25 26.25 5 35 600 0.25 0.1 19

SZ/MMBZ5254BL, G 81E 25.65 27 28.35 4.6 41 600 0.25 0.1 21

MMBZ5255BL, G 81F 26.60 28 29.40 4.5 44 600 0.25 0.1 21

SZ/MMBZ5256BL, G 81G 28.50 30 31.50 4.2 49 600 0.25 0.1 23

MMBZ5257BL, G 81H 31.35 33 34.65 3.8 58 700 0.25 0.1 25

SZ/MMBZ5258BL, G 81J 34.20 36 37.80 3.4 70 700 0.25 0.1 27

SZ/MMBZ5259BL, G 81K 37.05 39 40.95 3.2 80 800 0.25 0.1 30

SZ/MMBZ5260BL, G 81L 40.85 43 45.15 3 93 900 0.25 0.1 33

SZ/MMBZ5261BL, G 81M 44.65 47 49.35 2.7 105 1000 0.25 0.1 36

MMBZ5262BL, G 81N 48.45 51 53.55 2.5 125 1100 0.25 0.1 39

SZ/MMBZ5263BL, G 81P 53.20 56 58.80 2.2 150 1300 0.25 0.1 43

SZ/MMBZ5264BL, G 81Q 57.00 60 63.00 2.1 170 1400 0.25 0.1 46

MMBZ5265BL, G 81R 58.90 62 65.10 2 185 1400 0.25 0.1 47

MMBZ5266BL, G 81S 64.60 68 71.40 1.8 230 1600 0.25 0.1 52

MMBZ5267BL, G 81T 71.25 75 78.75 1.7 270 1700 0.25 0.1 56

MMBZ5268BL, G 81U 77.90 82 86.10 1.5 330 2000 0.25 0.1 62

MMBZ5270BL, G 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 25°C

NOTE: MMBZ5233BLT1, MMBZ5246BLT1, MMBZ5251BLT1, and MMBZ5252BLT1 Not Available in 10,000/Tape & Reel.

†The “G” suffix indicates Pb−Free package available.

MMBZ52xxBLT1 Series, SZMMBZ52xxBLT1G Series

http://onsemi.com

TYPICAL CHARACTERISTICS

VZ, TEMPERATURE COEFFICIENT (mV/ C)°θ

VZ, NOMINAL ZENER VOLTAGE (V)

-3

-2

-1

12111098765432

Figure 1. Temperature Coefficients

(Temperature Range −55°C to +150°C)

TYPICAL TC VALUES

FOR MMBZ5221BLT1 SERIES

VZ @ IZT

VZ, TEMPERATURE COEFFICIENT (mV/ C)°θ

100

110 100

VZ, NOMINAL ZENER VOLTAGE (V)

Figure 2. Temperature Coefficients

(Temperature Range −55°C to +150°C)

TYPICAL TC VALUES

FOR MMBZ5221BLT1 SERIES

VZ @ IZT

100

VZ, NOMINAL ZENER VOLTAGE

Figure 3. Effect of Zener Voltage on

Zener Impedance

101

ZZT, DYNAMIC IMPEDANCE ( )Ω

1000

100

TJ = 25°C

IZ(AC) = 0.1 IZ(DC)

f = 1 kHz

IZ = 1 mA

5 mA

20 mA

, FORWARD VOLTAGE (V)

Figure 4. Typical Forward Voltage

1.21.11.00.90.80.70.60.50.4

IF, FORWARD CURRENT (mA)

1000

100

75 V (MMBZ5267BLT1)

91 V (MMBZ5270BLT1)

150°C75°C25°C0°C

MMBZ52xxBLT1 Series, SZMMBZ52xxBLT1G Series

http://onsemi.com

TYPICAL CHARACTERISTICS

C, CAPACITANCE (pF)

100

VZ, NOMINAL ZENER VOLTAGE (V)

Figure 5. Typical Capacitance

1000

100

1101

BIAS AT

50% OF VZ NOM

TA = 25°C

0 V BIAS

1 V BIAS

VZ, ZENER VOLTAGE (V)

100

0.1

0.01 1086420

TA = 25°C

IZ, ZENER CURRENT (mA)

VZ, ZENER VOLTAGE (V)

100

0.1

0.0110 30 50 70 90

TA = 25°C

IR, LEAKAGE CURRENT ( A)μ

VZ, NOMINAL ZENER VOLTAGE (V)

Figure 6. Typical Leakage Current

1000

100

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

(VZ Up to 12 V)

Figure 8. Zener Voltage versus Zener Current

(12 V to 91 V)

MMBZ52xxBLT1 Series, SZMMBZ52xxBLT1G Series

http://onsemi.com

PACKAGE DIMENSIONS

SOT−23 (TO−236)

CASE 318−08

ISSUE AP

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

0.25

SEE VIEW C

DIM

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

2.10 2.40 2.64 0.083 0.094 0.104

0.35 0.54 0.69 0.014 0.021 0.029

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*

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

N. American Technical Support: 800−282−9855 Toll Free

USA/Canada

Europe, Middle East and Africa Technical Support:

Phone: 421 33 790 2910

Japan Customer Focus Center

Phone: 81−3−5817−1050

MMBZ5221BLT1/D

LITERATURE FULFILLMENT:

Literature Distribution Center for ON Semiconductor

P.O. Box 5163, Denver, Colorado 80217 USA

Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada

Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada

Email: orderlit@onsemi.com

ON Semiconductor Website: www.onsemi.com

Order Literature: http://www.onsemi.com/orderlit

For additional information, please contact your local

Sales Representative