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. http://onsemi.com Features • • • • • • • 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 s) 1 Cathode 2 Anode SOD−123 CASE 425 STYLE 1 2 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 ÂÂ ÂÂ ÂÂ 260°C for 10 Seconds POLARITY: Cathode indicated by polarity band FLAMMABILITY RATING: UL 94 V−0 xxx M xxx = Specific Device Code M = Date Code MAXIMUM RATINGS Rating Symbol Max Unit Peak Power Dissipation @ 20 s (Note 1) @ TL ≤ 25°C Ppk 225 W Total Power Dissipation on FR−5 Board, (Note 2) @ TL = 75°C Derated above 75°C PD ORDERING INFORMATION Package Shipping† MMSZ4xxxET1 SOD−123 3000/Tape & Reel Device* 500 6.7 mW mW/°C Thermal Resistance, (Note 3) Junction−to−Ambient RJA 340 °C/W MMSZ4xxxET1G SOD−123 (Pb−Free) 3000/Tape & Reel Thermal Resistance, (Note 3) Junction−to−Lead RJL 150 °C/W MMSZ4xxxET3 SOD−123 10,000/Tape & Reel MMSZ4xxxET3G SOD−123 (Pb−Free) 10,000/Tape & Reel Junction and Storage Temperature Range TJ, Tstg °C −55 to +150 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. Semiconductor Components Industries, LLC, 2005 February, 2005 − Rev. 3 1 Publication Order Number: MMSZ4678ET1/D MMSZ4678ET1 Series ELECTRICAL CHARACTERISTICS (TA = 25°C unless I otherwise noted, VF = 0.95 V Max. @ IF = 10 mA) Symbol IF Parameter VZ Reverse Zener Voltage @ IZT IZT Reverse Current IR Reverse Leakage Current @ VR VR Reverse Voltage IF Forward Current VF Forward Voltage @ IF VZ VR V IR VF IZT Zener Voltage Regulator ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted, VF = 0.9 V Max. @ IF = 10 mA) Zener Voltage (Note 1) VZ (V) Leakage Current @ IZT IR @ VR Device Marking Min Nom Max A A V MMSZ4684ET1 CG3 3.13 3.3 3.47 50 7.5 1.5 MMSZ4688ET1, G CG7 4.47 4.7 4.94 50 10 3 MMSZ4689ET1 CG8 4.85 5.1 5.36 50 10 3 MMSZ4690ET1 CG9 5.32 5.6 5.88 50 10 4 MMSZ4691ET1 CH1 5.89 6.2 6.51 50 10 5 MMSZ4692ET1 CH2 6.46 6.8 7.14 50 10 5.1 MMSZ4693ET1 CH3 7.13 7.5 7.88 50 10 5.7 MMSZ4697ET1 CH7 9.50 10 10.50 50 1 7.6 MMSZ4699ET1 CH9 11.40 12 12.60 50 0.05 9.1 MMSZ4701ET1 CJ2 13.3 14 14.7 50 0.05 10.6 MMSZ4702ET1 CJ3 14.25 15 15.75 50 0.05 11.4 MMSZ4703ET1 CJ4 15.20 16 16.80 50 0.05 12.1 MMSZ4705ET1 CJ6 17.10 18 18.90 50 0.05 13.6 MMSZ4709ET1 CK1 22.80 24 25.20 50 0.01 18.2 MMSZ4711ET1 CK3 25.65 27 28.35 50 0.01 20.4 MMSZ4717ET1 CK9 40.85 43 45.15 50 0.01 32.6 Device 1. Nominal Zener voltage is measured with the device junction in thermal equilibrium at TL = 30°C ±1°C. http://onsemi.com 2 MMSZ4678ET1 Series 8 100 7 θ VZ, TEMPERATURE COEFFICIENT (mV/°C) θ VZ, TEMPERATURE COEFFICIENT (mV/°C) TYPICAL CHARACTERISTICS TYPICAL TC VALUES 6 5 4 VZ @ IZT 3 2 1 0 −1 −2 −3 2 3 4 5 6 7 8 9 10 11 10 10 VZ, NOMINAL ZENER VOLTAGE (V) Figure 1. Temperature Coefficients (Temperature Range − 55°C to +150°C) Figure 2. Temperature Coefficients (Temperature Range − 55°C to +150°C) 1000 1.0 PD versus TL 0.8 0.6 100 PD versus TA 0.4 0.2 0 25 50 75 100 T, TEMPERATURE (°C) RECTANGULAR WAVEFORM, TA = 25°C 125 10 1 150 0.1 Figure 3. Steady State Power Derating 1 1000 1000 TJ = 25°C IZ(AC) = 0.1 IZ(DC) f = 1 kHz IF, FORWARD CURRENT (mA) IZ = 1 mA 100 75 V (MMSZ5267BT1) 91 V (MMSZ5270BT1) 100 5 mA 20 mA 10 10 150°C 1 10 100 PW, PULSE WIDTH (ms) Figure 4. Maximum Nonrepetitive Surge Power 1000 Z ZT, DYNAMIC IMPEDANCE (Ω ) 100 VZ, NOMINAL ZENER VOLTAGE (V) Ppk , PEAK SURGE POWER (WATTS) PD, POWER DISSIPATION (WATTS) VZ @ IZT 1 12 1.2 0 TYPICAL TC VALUES 1 10 VZ, NOMINAL ZENER VOLTAGE 100 1 0.4 Figure 5. Effect of Zener Voltage on Zener Impedance 0.5 75°C 25°C 0°C 0.6 0.7 0.8 0.9 1.0 VF, FORWARD VOLTAGE (V) Figure 6. Typical Forward Voltage http://onsemi.com 3 1.1 1.2 MMSZ4678ET1 Series TYPICAL CHARACTERISTICS 1000 TA = 25°C 0 V BIAS 1 V BIAS C, CAPACITANCE (pF) I R , LEAKAGE CURRENT ( A) 1000 100 BIAS AT 50% OF VZ NOM 1 10 1 +150°C 0.1 0.01 10 1 100 10 VZ, NOMINAL ZENER VOLTAGE (V) 100 0.001 + 25°C 0.0001 −55°C 0.00001 0 10 Figure 7. Typical Capacitance 100 I Z, ZENER CURRENT (mA) TA = 25°C 10 1 0.1 0 2 4 6 8 VZ, ZENER VOLTAGE (V) 10 TA = 25°C 10 1 0.1 0.01 12 100 30 50 70 VZ, ZENER VOLTAGE (V) PEAK VALUE IRSM @ 8 s tr 90 10 PULSE WIDTH (tP) IS DEFINED AS THAT POINT WHERE THE PEAK CURRENT DECAY = 8 s 80 70 60 HALF VALUE IRSM/2 @ 20 s 50 40 30 tP 20 10 0 0 90 Figure 10. Zener Voltage versus Zener Current (12 V to 91 V) Figure 9. Zener Voltage versus Zener Current (VZ Up to 12 V) % OF PEAK PULSE CURRENT I Z, ZENER CURRENT (mA) 80 Figure 8. Typical Leakage Current 100 0.01 20 30 40 50 60 70 VZ, NOMINAL ZENER VOLTAGE (V) 20 40 60 t, TIME (s) Figure 11. 8 × 20 s Pulse Waveform http://onsemi.com 4 80 90 MMSZ4678ET1 Series PACKAGE DIMENSIONS SOD−123 CASE 425−04 ISSUE C A ÂÂÂ ÂÂÂ C NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. H 1 K DIM A B C D E H J K B E 2 D 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 STYLE 1: PIN 1. CATHODE 2. ANODE J SOLDERING FOOTPRINT* ÉÉÉ ÉÉÉ ÉÉÉ 0.91 0.036 2.36 0.093 4.19 0.165 ÉÉÉ ÉÉÉ ÉÉÉ SCALE 10:1 1.22 0.048 mm inches *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. http://onsemi.com 5 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 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. 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