MMBZ5221B – MMBZ5259B
Surface Mount Zener Diode
Voltage Range
2.4 to 39 Volts
350m Watts Power Dissipation
Features
a
a
a
a
a
Planar die construction
350mW power dissipation on FR-4 PCB
general purpose, medium current
Ideally suited for automated assembly
processes
Standard zener voltage tolerance is ±5%
tolerance with a :B: suffix
0.020(0.51)
0.015(0.37)
SOT-23
0.055(1.40)
0.047(1.19)
0.098(2.50)
0.083(2.10)
Mechanical Data
a
a
a
a
Case: SOT-23, Molded plastic
Terminals: Solderable per MIIL-STD-202,
Method 208
Polarity: See diagram
Marking: Marking Code (see table on Page 2)
Weight: 0.008 grams (approx.)
0.080(2.05)
0.070(1.78)
0.024(0.61)
0.018(0.45)
0.120(3.05)
0.104(2.65)
0.041(1.05)
0.047(0.89)
0.043(1.10)
0.035(0.89)
a
0.006(0.15)
0.001(0.013)
0.024(0.61)
0.018(0.45)
0.007(0.178)
0.003(0.076)
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25+ambient temperature unless otherwise specified.
Maximum Ratings
Type Number
Forward Voltage
Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient Air
(Note 1)
Operating and Storage Temperature Range
@ IF = 10mA
Symbol
V
F
Pd
R
JA
Value
0.9
350
357
Units
V
mW
K/W
O
T
J
,T
STG
-65 to + 150
Notes: 1. Valid Provided that Terminals are Kept at Ambient Temperature.
2. Tested with Pulses, Tp 1.0ms
C
- 142 -
TSC [ TAIWAN SEMICONDUCTOR COMPANY, LTD ]
