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MMSZ4678T1 Series
Preferred Device
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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* * * * * *
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 Pb-Free Packages are Available
1
1 Cathode
2 Anode
2
Mechanical Characteristics: CASE: Void-free, transfer-molded, thermosetting plastic case FINISH: Corrosion resistant finish, easily solderable MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
SOD-123 CASE 425 STYLE 1
260C for 10 Seconds
POLARITY: Cathode indicated by polarity band FLAMMABILITY RATING: UL 94 V-0
MARKING DIAGRAM
1
MAXIMUM RATINGS
Rating Total Power Dissipation on FR-5 Board, (Note 1) @ TL = 75C Derated above 75C Thermal Resistance, (Note 2) Junction-to-Ambient Thermal Resistance, (Note 2) Junction-to-Lead Junction and Storage Temperature Range Symbol PD 500 6.7 RqJA RqJL TJ, Tstg 340 150 -55 to +150 mW mW/C C/W C/W C Max Unit
xx M G G
xx = Device Code (Refer to page 3) M = Date Code G = Pb-Free Package (Note: Microdot may be in either location)
ORDERING INFORMATION
Device MMSZ4XXXT1 MMSZ4XXXT1G MMSZ4xxxT3 MMSZ4xxxT3G Package SOD-123 SOD-123 (Pb-Free) SOD-123 SOD-123 (Pb-Free) Shipping 3000/Tape & Reel 3000/Tape & Reel 10000/Tape & Reel 10000/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. FR-5 = 3.5 X 1.5 inches, using the minimum recommended footprint. 2. Thermal Resistance measurement obtained via infrared Scan Method.
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.
(c) Semiconductor Components Industries, LLC, 2005
1
August, 2005 - Rev. 7
Publication Order Number: MMSZ4678T1/D
MMSZ4678T1 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 I IF
Zener Voltage Regulator
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MMSZ4678T1 Series
ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted, VF = 0.9 V Max. @ IF = 10 mA)
Zener Voltage (Note 3) Device Marking CC CD CE CF CH CJ CK CM CN CP CT CU CV CA CX CY CZ DC DD DE DF DH DJ DK DM
Leakage Current @ IZT IR @ VR mA 7.5 5 4 2 1 0.8 7.5 7.5 5 4 10 10 10 10 10 10 1 1 1 1 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 Volts 1 1 1 1 1 1 1.5 2 2 2 3 3 4 5 5.1 5.7 6.2 6.6 6.9 7.6 8.4 9.1 9.8 10.6 11.4 12.1 12.9 13.6 14.4 15.2 16.7 18.2 19.0 20.4 21.2 22.8 25.0 27.3 29.6 32.6 mA 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50
VZ (Volts) Min 1.71 1.90 2.09 2.28 2.565 2.85 3.13 3.42 3.70 4.09 4.47 4.85 5.32 5.89 6.46 7.13 7.79 8.27 8.65 9.50 10.45 11.40 12.35 13.30 14.25 15.20 16.15 17.10 18.05 19.00 20.90 22.80 23.75 25.65 26.60 28.50 31.35 34.20 37.05 40.85 Nom 1.8 2.0 2.2 2.4 2.7 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 8.7 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 28 30 33 36 39 43 Max 1.89 2.10 2.31 2.52 2.835 3.15 3.47 3.78 4.10 4.52 4.94 5.36 5.88 6.51 7.14 7.88 8.61 9.14 9.56 10.50 11.55 12.60 13.65 14.70 15.75 16.80 17.85 18.90 19.95 21.00 23.10 25.20 26.25 28.35 29.40 31.50 34.65 37.80 40.95 45.15
Device* MMSZ4678T1, G MMSZ4679T1, G MMSZ4680T1, G MMSZ4681T1, G MMSZ4682T1, G MMSZ4683T1, G MMSZ4684T1, G MMSZ4685T1, G MMSZ4686T1, G MMSZ4687T1, G MMSZ4688T1, G MMSZ4689T1, G MMSZ4690T1, G MMSZ4691T1, G MMSZ4692T1, G MMSZ4693T1, G MMSZ4694T1, G MMSZ4695T1, G MMSZ4696T1, G MMSZ4697T1, G MMSZ4698T1, G MMSZ4699T1, G MMSZ4700T1, G MMSZ4701T1, G MMSZ4702T1, G MMSZ4703T1, G MMSZ4704T1, G MMSZ4705T1, G MMSZ4706T1, G MMSZ4707T1, G MMSZ4708T1, G MMSZ4709T1, G MMSZ4710T1, G MMSZ4711T1, G MMSZ4712T1 MMSZ4713T1, G MMSZ4714T1, G MMSZ4715T1, G MMSZ4716T1, G MMSZ4717T1, G
DN DP DT DU DV DA DX DY EA EC ED EE EF EH EJ
3. Nominal Zener voltage is measured with the device junction in thermal equilibrium at TL = 30C 1C. *The "G'' suffix indicates Pb-Free package available. MMSZ4703 and MMSZ4711 Not Available in 10,000/Tape & Reel
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3
MMSZ4678T1 Series
TYPICAL CHARACTERISTICS
VZ , TEMPERATURE COEFFICIENT (mV/ C) VZ , TEMPERATURE COEFFICIENT (mV/ C) 8 7 6 5 4 3 2 1 0 -1 -2 -3 VZ @ IZT TYPICAL TC VALUES 100 TYPICAL TC VALUES
VZ @ IZT 10
2
3
4
5 6 7 8 9 10 VZ, NOMINAL ZENER VOLTAGE (V)
11
12
1
10 VZ, NOMINAL ZENER VOLTAGE (V)
100
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 0 25 50 75 100 T, TEMPERATURE (5C) 125 PD versus TA PD versus TL
1000 Ppk , PEAK SURGE POWER (WATTS) RECTANGULAR WAVEFORM, TA = 25C 100
10
150
1 0.1
1
10 PW, PULSE WIDTH (ms)
100
1000
Figure 3. Steady State Power Derating
Figure 4. Maximum Nonrepetitive Surge Power
1000
1000 IZ = 1 mA IF, FORWARD CURRENT (mA) TJ = 25C IZ(AC) = 0.1 IZ(DC) f = 1 kHz 75 V (MMSZ5267BT1) 91 V (MMSZ5270BT1) 100
Z ZT, DYNAMIC IMPEDANCE ( )
100
5 mA 20 mA
10
10
150C
1
75C 25C 0.6
0C 1.1 1.2
1
10 VZ, NOMINAL ZENER VOLTAGE
100
1
0.4
0.5
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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MMSZ4678T1 Series
TYPICAL CHARACTERISTICS
1000 0 V BIAS 1 V BIAS C, CAPACITANCE (pF) 100 BIAS AT 50% OF VZ NOM 10 TA = 25C 1000 I R , LEAKAGE CURRENT (A) 100 10 1 0.1 +150C
0.01 +25 C -55 C 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
Figure 8. Typical Leakage Current
100
TA = 25C
100
TA = 25C
I Z , ZENER CURRENT (mA)
I Z , ZENER CURRENT (mA)
10
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)
Figure 10. Zener Voltage versus Zener Current (12 V to 91 V)
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MMSZ4678T1 Series
PACKAGE DIMENSIONS
SOD-123 CASE 425-04 ISSUE E
D
A A1
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. DIM A A1 b c D E HE L MILLIMETERS MIN NOM MAX 0.94 1.17 1.35 0.00 0.05 0.10 0.51 0.61 0.71 --- --- 0.15 1.40 1.60 1.80 2.54 2.69 2.84 3.56 3.68 3.86 --- --- 0.25 MIN 0.037 0.000 0.020 --- 0.055 0.100 0.140 0.010 INCHES NOM 0.046 0.002 0.024 --- 0.063 0.106 0.145 --- MAX 0.053 0.004 0.028 0.006 0.071 0.112 0.152 ---
HE
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.
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: N. American Technical Support: 800-282-9855 Toll Free Literature Distribution Center for ON Semiconductor USA/Canada P.O. Box 61312, Phoenix, Arizona 85082-1312 USA Phone: 480-829-7710 or 800-344-3860 Toll Free USA/Canada Japan: ON Semiconductor, Japan Customer Focus Center 2-9-1 Kamimeguro, Meguro-ku, Tokyo, Japan 153-0051 Fax: 480-829-7709 or 800-344-3867 Toll Free USA/Canada Phone: 81-3-5773-3850 Email: orderlit@onsemi.com 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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2
1
E
L C
STYLE 1: PIN 1. CATHODE 2. ANODE
b
SOLDERING FOOTPRINT*
0.91 0.036 1.22 0.048
SCALE 10:1
mm inches
MMSZ4678T1/D

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