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PDF MMSZ4709T1 Data sheet ( Hoja de datos )
| Número de pieza | MMSZ4709T1 | |
| Descripción | Zener Voltage Regulators | |
| Fabricantes | ON | |
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MMSZ4678T1 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.
Features
• Pb−Free Packages are Available
For Additional Pb−Free Options, Please Consult Factory
• 500 mW Rating on FR−4 or FR−5 Board
• Wide Zener Reverse Voltage Range − 1.8 V to 43 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
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
Total Power Dissipation on FR−5 Board,
PD
(Note 1) @ TL = 75°C
500 mW
Derated above 75°C
6.7 mW/°C
Thermal Resistance, (Note 2)
Junction−to−Ambient
RqJA
340 °C/W
Thermal Resistance, (Note 2)
Junction−to−Lead
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. FR−5 = 3.5 X 1.5 inches, using the minimum recommended footprint.
2. Thermal Resistance measurement obtained via infrared Scan Method.
© Semiconductor Components Industries, LLC, 2004
September, 2004 − Rev. 4
1
http://onsemi.com
1
Cathode
2
Anode
2 SOD−123
CASE 425
1 STYLE 1
MARKING DIAGRAM
ÂÂÂÂÂÂ xxM
xx = Specific Device Code
M = Date Code
ORDERING INFORMATION
Device**
Package
Shipping†
MMSZ4xxxT1 SOD−123 3000/Tape & Reel
MMSZ4xxxT1G SOD−123 3000/Tape & Reel
(Pb−Free)
MMSZ4xxxT3 SOD−123 10,000/Tape & Reel
MMSZ4xxxT3G* SOD−123 10,000/Tape & Reel
(Pb−Free)
*MMSZ4703T1 and MMSZ4711T1 Not Available in
10,000/Tape & Reel
**The “T1” suffix refers to an 8 mm, 7 inch reel.
The “T3” suffix refers to an 8 mm, 13 inch 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 3 of
this data sheet.
Devices listed in bold, italic are ON Semiconductor
Preferred devices. Preferred devices are recommended
choices for future use and best overall value.
Publication Order Number:
MMSZ4678T1/D
1 page  
MMSZ4678T1 Series
TYPICAL CHARACTERISTICS
1000
0 V BIAS
1 V BIAS
100
TA = 25°C
1000
100
10
1
BIAS AT
50% OF VZ NOM
10
0.1
0.01
0.001
0.0001
1 0.00001
1 10 100 0
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 7. Typical Capacitance
+1505C
+255C
−555C
10 20 30 40 50 60 70 80
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 8. Typical Leakage Current
90
100 100
TA = 25°C
TA = 25°C
10 10
11
0.1 0.1
0.01 0
24
6 8 10 12
VZ, ZENER VOLTAGE (V)
Figure 9. Zener Voltage versus Zener Current
(VZ Up to 12 V)
0.01 10
30 50 70
VZ, ZENER VOLTAGE (V)
90
Figure 10. Zener Voltage versus Zener Current
(12 V to 91 V)
http://onsemi.com
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| PDF Descargar | [ Datasheet MMSZ4709T1.PDF ] | |
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