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부품번호 | MMSZ4716T1 기능 |
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기능 | Zener Voltage Regulators | ||
제조업체 | ON | ||
로고 | |||
전체 6 페이지수
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
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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
MMSZ4678T1 Series
TYPICAL CHARACTERISTICS
8
7
6 TYPICAL TC VALUES
5
4
3
VZ @ IZT
2
1
0
−1
−2
−3 2 3
4 5 6 7 8 9 10
VZ, NOMINAL ZENER VOLTAGE (V)
11
Figure 1. Temperature Coefficients
(Temperature Range − 55°C to +150°C)
12
100
TYPICAL TC VALUES
10
VZ @ IZT
110
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 2. Temperature Coefficients
(Temperature Range − 55°C to +150°C)
100
1.2
1.0
0.8 PD versus TL
0.6 PD versus TA
0.4
0.2
0 0 25 50 75 100 125
T, TEMPERATURE (5C)
Figure 3. Steady State Power Derating
1000
RECTANGULAR
WAVEFORM, TA = 25°C
100
10
150 10.1
1 10 100
PW, PULSE WIDTH (ms)
1000
Figure 4. Maximum Nonrepetitive Surge Power
1000
IZ = 1 mA
100
5 mA
20 mA
10
TJ = 25°C
IZ(AC) = 0.1 IZ(DC)
f = 1 kHz
1000
75 V (MMSZ5267BT1)
91 V (MMSZ5270BT1)
100
10
1505C 755C 255C 05C
11
1 10 100 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
VZ, NOMINAL ZENER VOLTAGE
VF, FORWARD VOLTAGE (V)
Figure 5. Effect of Zener Voltage on
Zener Impedance
Figure 6. Typical Forward Voltage
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