ON Semiconductor MMSZ2V4T1 Technical data
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MMSZ2V4T1 Series
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 56 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
• Pb−Free Package is Available
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1
Cathode
2
Anode
2
Mechanical Characteristics
Void-free, transfer-molded, thermosetting plastic case
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) @ T
Derated above 75°C
Thermal Resistance −
Junction−to−Ambient (Note 2)
Thermal Resistance −
Junction−to−Lead (Note 2)
Junction and Storage
Temperature Range
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.
2. Thermal Resistance measurement obtained via infrared Scan Method.
= 75°C
L
P
R
R
TJ, T
D
JA
JL
stg
500
6.7mWmW/°C
340 °C/W
150 °C/W
−55 to
+150
°C
1
SOD−123
CASE 425
STYLE 1
MARKING DIAGRAM
xx M
xx = Specific Device Code
M = Date Code
ORDERING INFORMATION
Device Package Shipping
MMSZxxxT1 SOD−123 3000/Tape & Reel
MMSZxxxT3* SOD−123 10,000/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.
†
Semiconductor Components Industries, LLC, 2004
December, 2004 − Rev. 5
Individual devices are listed on page 3 of this data sheet.
DEVICE MARKING INFORMATION
See specific marking information in the device marking
column of the Electrical Characteristics table on page 3 of
this data sheet.
1 Publication Order Number:
MMSZ2V4T1/D
MMSZ2V4T1 Series
ELECTRICAL CHARACTERISTICS (T
otherwise noted, V
Symbol
V
Z
I
ZT
Z
ZT
I
R
V
R
I
F
V
F
= 0.95 V Max. @ IF = 10 mA)
F
Parameter
Reverse Zener Voltage @ I
ZT
Reverse Current
Maximum Zener Impedance @ I
Reverse Leakage Current @ V
Reverse Voltage
Forward Current
Forward Voltage @ I
F
= 25°C unless
A
ZT
R
I
I
F
VRV
Z
I
V
R
I
ZT
Zener Voltage Regulator
F
V
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2
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