Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
ZENER VOLTAGE REGULATOR DIODES
MMSZ3V3 - 4V3
SOD-123
PLASTIC PACKAGE
For High Density Applications
Polarity: - Cathode indicated by polarity band
ABSOLUTE MAXIMUM RATINGS
DESCRIPTION
Power Dissipation on FR-5 Board at T
L
=75ºC (Note 1)
Derated Above 75ºC
Thermal Resistance, Junction to Ambient (Note 2)
Thermal Resistance, Junction to Lead (Note 2)
Operating and Storage Junction Temperature Range
SYMBOL
P
D
R
th (j-a)
R
th (j-L)
T
j
, T
stg
VALUE
500
6.7
340
150
- 55 to +150
UNIT
mW
mW/ºC
ºC/W
ºC/W
°C
Note1. FR-5=3.5 x 1.5 inches
Note2. Thermal Resistance measured obtained via infrared Scan Method
Forward Voltage at I
F
=10mA <0.9V and <1.5V at 200mA
ELECTRICAL CHARACTERISTICS (T
a
=25°C unless specified otherwise)
Device
V
Z1
(V) Notes 3 and 4
I
ZT1
=5mA
at
Z
ZT1
(Note5)
(Ω)
Ω
at I
ZT1=
5mA
max
95
90
90
90
V
Z2
(V) Notes
Max Reverse
3 and 4 at Z
ZT2
(Note 5)
Current
I
ZT2
=1mA
(Ω)
Ω
at I
ZT2=
1mA
max
600
600
600
600
I
R
at
µ
A
Max
5.0
5.0
3.0
3.0
V
R
(V)
Marking
MMSZ3V3
MMSZ3V6
MMSZ3V9
MMSZ4V3
min
3.14
3.42
3.71
4.09
nom
3.3
3.6
3.9
4.3
max
3.47
3.78
4.10
4.52
min
2.3
2.7
2.9
3.3
max
2.9
3.3
3.5
4.0
1.0
1.0
1.0
1.0
T4
T5
U1
U2
Note3. Tolerance of +/- 5% on the nominal Zener Voltage
Note4. Tolerance and Voltage Designation: Zener Voltage (V
Z
) is measured with the Zener Current App;ied for PW=1ms
Note5. Z
ZT
and Z
ZK
are measured by dividing the AC Voltage drop across the device by the AC Current Applied
The specified limits are for I
Z (AC)
=0.1 I
Z (DC)
with the AC frequency =1KHz
MMSZ3V3_4V3Rev_1 050506E
Continental Device India Limited
Data Sheet
Page 1 of 4
CDIL [ Continental Device India Limited ]
