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Semiconductor Components Industries, LLC, 2012
February, 2012 − Rev. 11
1 Publication 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) @ T
A
= 25C
Derated above 25C
P
D
225
1.8
mW
mW/C
Thermal Resistance,
Junction−to−Ambient
R
q
JA
556 C/W
Total Power Dissipation on Alumina
Substrate, (Note 2) @ T
A
= 25C
Derated above 25C
P
D
300
2.4
mW
mW/C
Thermal Resistance,
Junction−to−Ambient
R
q
JA
417 C/W
Junction and Storage
Temperature Range
T
J
, T
stg
−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)
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