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Zener Voltage Regulators
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MMSZ2V4ET1 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.
Specification 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
• Peak Power − 225 W (8 X 20 ms)
Mechanical Characteristics
CASE: Void-free, transfer-molded, thermosetting plastic 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
Peak Power Dissipation @ 20 ms (Note 1)
@ TL ≤ 25°C
Total Power Dissipation on FR−5 Board,
(Note 2) @ TL = 75°C
Derated above 75°C
Ppk
PD
225 Watts
500 mW
6.7 mW/°C
Thermal Resistance −
Junction−to−Ambient (Note 3)
RqJA
340 °C/W
Thermal Resistance −
Junction−to−Lead (Note 3)
RqJL
150 °C/W
Junction and Storage
Temperature Range
TJ, Tstg −55 to
+150
°C
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. Nonrepetitive current pulse per Figure 11
2. FR−5 = 3.5 X 1.5 inches, using the On minimum recommended footprint as
shown in Figure 12.
3. Thermal Resistance measurement obtained via infrared Scan Method
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1
Cathode
2
Anode
2
1
SOD−123
CASE 425
STYLE 1
MARKING DIAGRAM
ÂÂÂÂÂÂ xx M
xx = Specific Device Code
M = Date Code
ORDERING INFORMATION
Device
Package
Shipping†
MMSZxxxET1 SOD−123 3000/Tape & Reel
MMSZxxxET3 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.
DEVICE MARKING INFORMATION
See specific marking information in the device marking
column of the Electrical Characteristics table on page 2 of
this data sheet.
© Semiconductor Components Industries, LLC, 2004
June, 2004 − Rev. 1
1
Publication Order Number:
MMSZ2V4ET1/D
MMSZ2V4ET1 Series
ELECTRICAL CHARACTERISTICS (TA = 25°C unless
otherwise noted, VF = 0.95 V Max. @ IF = 10 mA)
Symbol
Parameter
VZ Reverse Zener Voltage @ IZT
IZT Reverse Current
ZZT Maximum Zener Impedance @ IZT
IR Reverse Leakage Current @ VR
VR Reverse Voltage
IF Forward Current
VF Forward Voltage @ IF
I
IF
VZ VR
IIRZT VF
V
Zener Voltage Regulator
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted, VF = 0.9 V Max. @ IF = 10 mA)
VZ1 (V)
(Notes 4 and 5)
ZZT1
(Note 6)
VZ2 (V)
(Notes 4 and 5)
ZZT2
(Note 6)
Leakage Current
Device
Device
Marking
Min
@ IZT1 = 5 mA
Nom
Max
@ IZT2 = 1 mA
W Min Max W
IR @ VR
mA V
MMSZ2V4ET1
CL1
2.28
2.4
2.52
100
1.7 2.1
600
50
1
MMSZ2V7ET1
CL2
2.57
2.7
2.84
100
1.9 2.4
600
20
1
MMSZ3V0ET1 CL3 2.85 3.0 3.15
95
2.1 2.7
600
10
1
MMSZ3V3ET1 CL4 3.14 3.3 3.47
95
2.3 2.9
600
5
1
MMSZ3V6ET1 CL5 3.42 3.6 3.78
90
2.7 3.3
600
5
1
MMSZ3V9ET1 CL6 3.71 3.9 4.10
90
2.9 3.5
600
3
1
MMSZ4V3ET1 CL7 4.09 4.3 4.52
90
3.3 4.0
600
3
1
MMSZ4V7ET1 CL8 4.47 4.7 4.94
80
3.7 4.7
500
3
2
MMSZ5V1ET1
CL9
4.85
5.1
5.36
60
4.2 5.3
480
2
2
MMSZ5V6ET1
CM1
5.32
5.6
5.88
40
4.8 6.0
400
1
2
MMSZ6V2ET1
CM2
5.89
6.2
6.51
10
5.6 6.6
150
3
4
MMSZ6V8ET1
CM3
6.46
6.8
7.14
15
6.3 7.2
80
2
4
MMSZ7V5ET1
CM4
7.13
7.5
7.88
15
6.9 7.9
80
1
5
MMSZ8V2ET1
CM5
7.79
8.2
8.61
15
7.6 8.7
80
0.7
5
MMSZ9V1ET1
CM6
8.65
9.1
9.56
15
8.4 9.6 100 0.5
6
MMSZ10ET1
CM7
9.50
10 10.50
20
9.3 10.6
150
0.2
7
MMSZ11ET1
CM8
10.45
11
11.55
20
10.2 11.6
150
0.1
8
MMSZ12ET1
CM9
11.40
12
12.60
25
11.2 12.7
150
0.1
8
MMSZ13ET1
CN1
12.35
13
13.65
30
12.3 14.0
170
0.1
8
MMSZ15ET1
CN2
14.25
15
15.75
30
13.7 15.5 200 0.05 10.5
MMSZ16ET1
CN3
15.20
16
16.80
40
15.2 17.0 200 0.05 11.2
MMSZ18ET1 CN4 17.10 18 18.90 45 16.7 19.0 225 0.05 12.6
Devices listed in bold, italic are ON Semiconductor Preferred devices. Preferred devices are recommended choices for future use and
best overall value.
4. The type numbers shown have a standard tolerance of ±5% on the nominal Zener Voltage.
5. Tolerance and Voltage Designation: Zener Voltage (VZ) is measured with the Zener Current applied for PW = 1 ms.
6. ZZT and ZZK are measured by dividing the AC voltage drop across the device by the AC current applied. The specified limits are for
IZ(AC) = 0.1 IZ(DC), with the AC frequency = 1 kHz.
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