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MMSZ4678ET1 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
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* * * * * * *
Pb-Free Packages are Available 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 Peak Power - 225 W (8 x 20 ms)
1
1 Cathode
2 Anode
2
SOD-123 CASE 425 STYLE 1
Mechanical Characteristics: CASE: Void-free, transfer-molded, thermosetting plastic case FINISH: Corrosion resistant finish, easily solderable MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES: MARKING DIAGRAM
260C for 10 Seconds
POLARITY: Cathode indicated by polarity band FLAMMABILITY RATING: UL 94 V-0 MAXIMUM RATINGS
Rating Peak Power Dissipation @ 20 ms (Note 1) @ TL 25C Total Power Dissipation on FR-5 Board, (Note 2) @ TL = 75C Derated above 75C Thermal Resistance, (Note 3) Junction-to-Ambient Thermal Resistance, (Note 3) Junction-to-Lead Junction and Storage Temperature Range Symbol Ppk PD 500 6.7 RqJA RqJL TJ, Tstg 340 150 -55 to +150 mW mW/C C/W C/W C Max 225 Unit W
xxx = Specific Device Code M = Date Code
ORDERING INFORMATION
Device* MMSZ4xxxET1 MMSZ4xxxET1G MMSZ4xxxET3 MMSZ4xxxET3G Package SOD-123 SOD-123 (Pb-Free) SOD-123 SOD-123 (Pb-Free) Shipping 3000/Tape & Reel 3000/Tape & Reel 10,000/Tape & Reel 10,000/Tape & Reel
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 minimum recommended footprint. 3. Thermal Resistance measurement obtained via infrared Scan Method.
*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 2 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.
(c) Semiconductor Components Industries, LLC, 2005
1
February, 2005 - Rev. 3
AA AA AA
xxx M
Publication Order Number: MMSZ4678ET1/D
MMSZ4678ET1 Series
ELECTRICAL CHARACTERISTICS (TA = 25C unless
otherwise noted, VF = 0.95 V Max. @ IF = 10 mA) Symbol VZ IZT IR VR IF VF Parameter Reverse Zener Voltage @ IZT Reverse Current Reverse Leakage Current @ VR Reverse Voltage Forward Current Forward Voltage @ IF VZ VR IR VF IZT V IF I
Zener Voltage Regulator
ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted, VF = 0.9 V Max. @ IF = 10 mA)
Zener Voltage (Note 1) Device Marking CG3 CG7 CG8 VZ (V) Min 3.13 4.47 4.85 Nom 3.3 4.7 5.1 Max 3.47 4.94 5.36 @ IZT mA 50 50 50 mA 7.5 10 10 Leakage Current IR @ VR V 1.5 3 3
Device MMSZ4684ET1 MMSZ4688ET1, G MMSZ4689ET1
MMSZ4690ET1
MMSZ4691ET1 MMSZ4692ET1 MMSZ4693ET1 MMSZ4697ET1 MMSZ4699ET1 MMSZ4701ET1 MMSZ4702ET1 MMSZ4703ET1 MMSZ4705ET1 MMSZ4709ET1 MMSZ4711ET1 MMSZ4717ET1
CG9
CH1 CH2 CH3 CH7 CH9 CJ2 CJ3 CJ4 CJ6 CK1 CK3 CK9
5.32
5.89 6.46 7.13 9.50 11.40 13.3 14.25 15.20 17.10 22.80 25.65 40.85
5.6
6.2 6.8 7.5 10 12 14 15 16 18 24 27 43
5.88
6.51 7.14 7.88 10.50 12.60 14.7 15.75 16.80 18.90 25.20 28.35 45.15
50
50 50 50 50 50 50 50 50 50 50 50 50
10
10 10 10 1 0.05 0.05 0.05 0.05 0.05 0.01 0.01 0.01
4
5 5.1 5.7 7.6 9.1 10.6 11.4 12.1 13.6 18.2 20.4 32.6
1. Nominal Zener voltage is measured with the device junction in thermal equilibrium at TL = 30C 1C.
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MMSZ4678ET1 Series
TYPICAL CHARACTERISTICS
8 7 6 5 4 3 2 1 0 -1 -2 -3 2 VZ @ IZT TYPICAL TC VALUES 100 TYPICAL TC VALUES
VZ, TEMPERATURE COEFFICIENT (mV/C)
VZ, TEMPERATURE COEFFICIENT (mV/C)
VZ @ IZT 10
3
4
5
6
7
8
9
10
11
12
1
10
VZ, NOMINAL ZENER VOLTAGE (V)
100
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 1. Temperature Coefficients (Temperature Range - 55C to +150C)
Figure 2. Temperature Coefficients (Temperature Range - 55C to +150C)
1.2 PD, POWER DISSIPATION (WATTS) 1.0 0.8 0.6 0.4 0.2 0 PD versus TL
1000 Ppk , PEAK SURGE POWER (WATTS) RECTANGULAR WAVEFORM, TA = 25C
100
PD versus TA
10
0
25
50 75 100 T, TEMPERATURE (C)
125
150
1
0.1
1
10 100 PW, PULSE WIDTH (ms)
1000
Figure 3. Steady State Power Derating
Figure 4. Maximum Nonrepetitive Surge Power
1000 Z ZT, DYNAMIC IMPEDANCE ( ) IZ = 1 mA TJ = 25C IZ(AC) = 0.1 IZ(DC) f = 1 kHz
1000 IF, FORWARD CURRENT (mA) 75 V (MMSZ5267BT1) 91 V (MMSZ5270BT1)
100 5 mA 20 mA 10
100
10
150C 1 1 10 VZ, NOMINAL ZENER VOLTAGE 100 1 0.4 0.5
75C 25C
0C 1.1 1.2
0.6 0.7 0.8 0.9 1.0 VF, FORWARD VOLTAGE (V)
Figure 5. Effect of Zener Voltage on Zener Impedance
Figure 6. Typical Forward Voltage
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MMSZ4678ET1 Series
TYPICAL CHARACTERISTICS
1000 C, CAPACITANCE (pF) 0 V BIAS 1 V BIAS 100 BIAS AT 50% OF VZ NOM 10 TA = 25C 1000 I R , LEAKAGE CURRENT ( m A) 100 10 1 0.1 +150C
0.01 + 25C -55C 0 10 20 30 40 50 60 70 VZ, NOMINAL ZENER VOLTAGE (V) 80 90
0.001 0.0001 1 1 10 VZ, NOMINAL ZENER VOLTAGE (V) 100 0.00001
Figure 7. Typical Capacitance
100 I Z, ZENER CURRENT (mA) I Z, ZENER CURRENT (mA) TA = 25C 10 100
Figure 8. Typical Leakage Current
TA = 25C 10
1
1
0.1
0.1
0.01
0
2
4 6 8 VZ, ZENER VOLTAGE (V)
10
12
0.01
10
30
50 70 VZ, ZENER VOLTAGE (V)
90
Figure 9. Zener Voltage versus Zener Current (VZ Up to 12 V)
100 % OF PEAK PULSE CURRENT 90 80 70 60 50 40 30 20 10 0 0 20 40 tP tr
Figure 10. Zener Voltage versus Zener Current (12 V to 91 V)
PEAK VALUE IRSM @ 8 ms PULSE WIDTH (tP) IS DEFINED AS THAT POINT WHERE THE PEAK CURRENT DECAY = 8 ms HALF VALUE IRSM/2 @ 20 ms
60
80
t, TIME (ms)
Figure 11. 8 x 20 ms Pulse Waveform
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MMSZ4678ET1 Series
PACKAGE DIMENSIONS
SOD-123 CASE 425-04 ISSUE C
A
C H
1
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. DIM A B C D E H J K INCHES MIN MAX 0.055 0.071 0.100 0.112 0.037 0.053 0.020 0.028 0.01 --- 0.000 0.004 --- 0.006 0.140 0.152 MILLIMETERS MIN MAX 1.40 1.80 2.55 2.85 0.95 1.35 0.50 0.70 0.25 --- 0.00 0.10 --- 0.15 3.55 3.85
K
2.36 0.093 4.19 0.165
*For additional information on our Pb-Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D.
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EEE EEE EEE
EEE EEE EEE
AAA AAA
2
B
E J
STYLE 1: PIN 1. CATHODE 2. ANODE
D
SOLDERING FOOTPRINT*
0.91 0.036 1.22 0.048
SCALE 10:1
mm inches
MMSZ4678ET1 Series
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. "Typical" parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 61312, Phoenix, Arizona 85082-1312 USA Phone: 480-829-7710 or 800-344-3860 Toll Free USA/Canada Fax: 480-829-7709 or 800-344-3867 Toll Free USA/Canada Email: orderlit@onsemi.com N. American Technical Support: 800-282-9855 Toll Free USA/Canada Japan: ON Semiconductor, Japan Customer Focus Center 2-9-1 Kamimeguro, Meguro-ku, Tokyo, Japan 153-0051 Phone: 81-3-5773-3850 ON Semiconductor Website: http://onsemi.com Order Literature: http://www.onsemi.com/litorder For additional information, please contact your local Sales Representative.
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MMSZ4678ET1/D

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