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  ON Semiconductor Electronic Components Datasheet  

MMSZ5229BT1 Datasheet

Zener Voltage Regulators

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MMSZ5221BT1 Series
Preferred Device
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.
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
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,
PD
(Note 1) @ TL = 75°C
500 mW
Derated above 75°C
6.7 mW/°C
Thermal Resistance, (Note 2)
Junction−to−Ambient
RqJA
340 °C/W
Thermal Resistance, (Note 2)
Junction−to−Lead
RqJL
150 °C/W
Junction and Storage Temperature Range TJ, Tstg −55 to
+150
°C
Maximum ratings are those values beyond which device damage can occur.
Maximum ratings applied to the device are individual stress limit values (not
normal operating conditions) and are not valid simultaneously. If these limits
are exceeded, device functional operation is not implied, damage may occur
and reliability may be affected.
1. FR−5 = 3.5 X 1.5 inches, using the minimum recommended footprint.
2. Thermal Resistance measurement obtained via infrared Scan Method.
© Semiconductor Components Industries, LLC, 2005
January, 2005 − Rev. 5
1
http://onsemi.com
1
Cathode
2
Anode
2 SOD−123
CASE 425
STYLE 1
1
MARKING DIAGRAM
ÂÂÂÂÂÂ xx M
xx = Specific Device Code
M = Date Code
ORDERING INFORMATION
Device**
Package
Shipping
MMSZ52xxBT1 SOD−123 3000/Tape & Reel
MMSZ52xxBT1G SOD−123 3000/Tape & Reel
(Pb−Free)
MMSZ52xxBT3 SOD−123 10,000/Tape & Reel
MMSZ52xxBT3G SOD−123 10,000/Tape & Reel
(Pb−Free)
**The “T1” suffix refers to an 8 mm, 7 inch reel.
The “T3” suffix refers to an 8 mm, 13 inch 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.
DEVICE MARKING INFORMATION
See specific marking information in the device marking
column of the Electrical Characteristics table on page 3 of
this data sheet.
Devices listed in bold, italic are ON Semiconductor
Preferred devices. Preferred devices are recommended
choices for future use and best overall value.
Publication Order Number:
MMSZ5221BT1/D


  ON Semiconductor Electronic Components Datasheet  

MMSZ5229BT1 Datasheet

Zener Voltage Regulators

No Preview Available !

MMSZ5221BT1 Series
ELECTRICAL CHARACTERISTICS (TA = 25°C unless
otherwise noted, VF = 0.95 V Max. @ IF = 10 mA)
Symbol
Parameter
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
I
IF
VZ VR
IIRZT VF
V
Zener Voltage Regulator
http://onsemi.com
2


Part Number MMSZ5229BT1
Description Zener Voltage Regulators
Maker ON
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