®
MMBZ5221B – MMBZ5262B
350mW SURFACE MOUNT ZENER DIODE
WON-TOP ELECTRONICS
Pb
Features
Planar Die Construction
350mW 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
L
A
C
B
M
E
D
H
Mechanical Data
Case: SOT-23, Molded Plastic
K
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: See Diagram
Weight: 0.008 grams (approx.)
Mounting Position: Any
Marking: Device Code
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 5
J
G
TOP VIEW
Dim
A
B
C
D
E
G
H
J
K
L
M
SOT-23
Min
0.37
1.19
2.10
0.89
0.45
1.78
2.65
0.013
0.89
0.45
0.076
Max
0.51
1.40
2.50
1.05
0.61
2.05
3.05
0.15
1.10
0.61
0.178
All Dimensions in mm
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Symbol
Value
Unit
Peak Pulse Power Dissipation at TA = 25°C (Note 1)
PD
350
mW
Forward Voltage @ IF = 10mA
VF
0.9
V
RθJA
357
°C/W
Tj, TSTG
-65 to +150
°C
Thermal Resistance Junction to Ambient (Note 1, 2)
Operating and Storage Temperature Range
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: September, 2012
www.wontop.com
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