®
MMSZ5221B – MMSZ5262B
500mW SURFACE MOUNT ZENER DIODE
WON-TOP ELECTRONICS
Pb
Features
Planar Die Construction
500mW Power Dissipation
2.4V – 51V Nominal Zener Voltage
5% Standard Vz Tolerance
Designed for Surface Mount Application
Plastic Material – UL Recognition Flammability
Classification 94V-0
A
SOD-123
Dim
A
Min
3.60
2.50
1.40
0.30
—
Max
3.90
2.80
1.80
0.78
0.25
—
C
B
D
C
B
D
E
E
G
H
0.15
0.95
—
Mechanical Data
H
1.35
0.15
Case: SOD-123, Molded Plastic
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
G
J
J
All Dimensions in mm
Polarity: Cathode Band
Weight: 0.01 grams (approx.)
Marking: Device Code
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 5
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Power Dissipation at TL = 75°C (Note 1)
Forward Voltage @ IF = 10mA
Symbol
PD
Value
Unit
mW
V
500
0.9
VF
Thermal Resistance, Junction to Ambient (Note 2, 3)
Thermal Resistance, Junction to Lead (Note 2, 3)
RθJA
RθJL
340
150
°C/W
°C
Operating and Storage Temperature Range
TJ, TSTG
-65 to +150
Note: 1. Mounted on FR-4 PCB with minimum recommended pad layout.
2. Thermal resistance measurement obtained via infrared scan method.
© Won-Top Electronics Co., Ltd.
Revision: October, 2018
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