MMSZ5221BT1 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. http://onsemi.com Features • • • • • • • 500 mW Rating on FR−4 or FR−5 Board Wide Zener Reverse Voltage Range − 2.4 V to 110 V Package Designed for Optimal Automated Board Assembly Small Package Size for High Density Applications General Purpose, Medium Current ESD Rating of Class 3 (>16 kV) per Human Body Model Pb−Free Packages are Available 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 xx M xx M = Specific Device Code = Date Code MAXIMUM RATINGS Rating Symbol Total Power Dissipation on FR−5 Board, (Note 1) @ TL = 75°C Derated above 75°C PD Max Unit 500 6.7 mW mW/°C ORDERING INFORMATION Thermal Resistance, (Note 2) Junction−to−Ambient RJA 340 °C/W Thermal Resistance, (Note 2) Junction−to−Lead RJL 150 °C/W 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. FR−5 = 3.5 X 1.5 inches, using the minimum recommended footprint. 2. Thermal Resistance measurement obtained via infrared Scan Method. Package Shipping† MMSZ52xxBT1 SOD−123 3000/Tape & Reel MMSZ52xxBT1G SOD−123 (Pb−Free) 3000/Tape & Reel MMSZ52xxBT3 SOD−123 10,000/Tape & Reel MMSZ52xxBT3G SOD−123 (Pb−Free) 10,000/Tape & Reel Device** **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. Semiconductor Components Industries, LLC, 2005 January, 2005 − Rev. 5 1 Publication Order Number: MMSZ5221BT1/D MMSZ5221BT1 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 ZZT Maximum Zener Impedance @ IZT IZK Reverse Current ZZK Maximum Zener Impedance @ IZK IR Reverse Leakage Current @ VR VR Reverse Voltage IF Forward Current VF Forward Voltage @ IF VZ VR IR VF IZT Zener Voltage Regulator http://onsemi.com 2 V MMSZ5221BT1 Series ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted, VF = 0.9 V Max. @ IF = 10 mA) Zener Voltage (Notes 3 and 4) VZ (Volts) @ IZT Zener Impedance (Note 5) ZZT @ IZT Leakage Current ZZK @ IZK IR @ VR Device Marking Min Nom Max mA mA A Volts MMSZ5221BT1, G MMSZ5222BT1 MMSZ5223BT1, G MMSZ5224BT1 MMSZ5225BT1 C1 C2 C3 C4 C5 2.28 2.38 2.57 2.66 2.85 2.4 2.5 2.7 2.8 3.0 2.52 2.63 2.84 2.94 3.15 20 20 20 20 20 30 30 30 30 29 1200 1250 1300 1400 1600 0.25 0.25 0.25 0.25 0.25 100 100 75 75 50 1 1 1 1 1 MMSZ5226BT1, G MMSZ5227BT1, G MMSZ5228BT1, G MMSZ5229BT1, G MMSZ5230BT1, G D1 D2 D3 D4 D5 3.14 3.42 3.71 4.09 4.47 3.3 3.6 3.9 4.3 4.7 3.47 3.78 4.10 4.52 4.94 20 20 20 20 20 28 24 23 22 19 1600 1700 1900 2000 1900 0.25 0.25 0.25 0.25 0.25 25 15 10 5 5 1 1 1 1 2 MMSZ5231BT1, G MMSZ5232BT1, G MMSZ5233BT1, G MMSZ5234BT1, G MMSZ5235BT1, G E1 E2 E3 E4 E5 4.85 5.32 5.70 5.89 6.46 5.1 5.6 6.0 6.2 6.8 5.36 5.88 6.30 6.51 7.14 20 20 20 20 20 17 11 7 7 5 1600 1600 1600 1000 750 0.25 0.25 0.25 0.25 0.25 5 5 5 5 3 2 3 3.5 4 5 MMSZ5236BT1, G MMSZ5237BT1, G MMSZ5238BT1 MMSZ5239BT1, G MMSZ5240BT1, G F1 F2 F3 F4 F5 7.13 7.79 8.27 8.65 9.50 7.5 8.2 8.7 9.1 10 7.88 8.61 9.14 9.56 10.50 20 20 20 20 20 6 8 8 10 17 500 500 600 600 600 0.25 0.25 0.25 0.25 0.25 3 3 3 3 3 6 6.5 6.5 7 8 MMSZ5241BT1 MMSZ5242BT1, G MMSZ5243BT1, G MMSZ5244BT1, G MMSZ5245BT1, G H1 H2 H3 H4 H5 10.45 11.40 12.35 13.30 14.25 11 12 13 14 15 11.55 12.60 13.65 14.70 15.75 20 20 9.5 9.0 8.5 22 30 13 15 16 600 600 600 600 600 0.25 0.25 0.25 0.25 0.25 2 1 0.5 0.1 0.1 8.4 9.1 9.9 10 11 MMSZ5246BT1, G MMSZ5247BT1, G MMSZ5248BT1, G MMSZ5250BT1, G J1 J2 J3 J5 15.20 16.15 17.10 19.00 16 17 18 20 16.80 17.85 18.90 21.00 7.8 7.4 7.0 6.2 17 19 21 25 600 600 600 600 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 12 13 14 15 MMSZ5251BT1, G MMSZ5252BT1, G MMSZ5253BT1 MMSZ5254BT1, G MMSZ5255BT1, G K1 K2 K3 K4 K5 20.90 22.80 23.75 25.65 26.60 22 24 25 27 28 23.10 25.20 26.25 28.35 29.40 5.6 5.2 5.0 4.6 4.5 29 33 35 41 44 600 600 600 600 600 0.25 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0.1 17 18 19 21 21 MMSZ5256BT1, G MMSZ5257BT1, G MMSZ5258BT1, G MMSZ5259BT1, G MMSZ5260BT1, G M1 M2 M3 M4 M5 28.50 31.35 34.20 37.05 40.85 30 33 36 39 43 31.50 34.65 37.80 40.95 45.15 4.2 3.8 3.4 3.2 3.0 49 58 70 80 93 600 700 700 800 900 0.25 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0.1 23 25 27 30 33 MMSZ5261BT1, G MMSZ5262BT1 MMSZ5263BT1 MMSZ5264BT1 MMSZ5265BT1, G N1 N2 N3 N4 N5 44.65 48.45 53.20 57.00 58.90 47 51 56 60 62 49.35 53.55 58.80 63.00 65.10 2.7 2.5 2.2 2.1 2.0 105 125 150 170 185 1000 1100 1300 1400 1400 0.25 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0.1 36 39 43 46 47 MMSZ5266BT1, G MMSZ5267BT1, G MMSZ5268BT1, G MMSZ5269BT1 MMSZ5270BT1, G P1 P2 P3 P4 P5 64.60 71.25 77.90 82.65 86.45 68 75 82 87 91 71.40 78.75 86.10 91.35 95.55 1.8 1.7 1.5 1.4 1.4 230 270 330 370 400 1600 1700 2000 2200 2300 0.25 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0.1 52 56 62 68 69 MMSZ5272BT1 R2 104.5 110 115.5 1.1 750 3000 0.25 0.1 84 Device 3. The type numbers shown have a standard tolerance of ±5% on the nominal Zener voltage. 4. Nominal Zener voltage is measured with the device junction in thermal equilibrium at TL = 30°C 1°C. 5. ZZT and ZZK are measured by dividing the AC voltage drop across the device by the ac current applied. The specified limits are for IZ(AC) = 0.1 IZ(dc) with the AC frequency = 1 KHz. http://onsemi.com 3 MMSZ5221BT1 Series VZ, TEMPERATURE COEFFICIENT (mV/°C) VZ, TEMPERATURE COEFFICIENT (mV/°C) TYPICAL CHARACTERISTICS 8 100 7 TYPICAL TC VALUES FOR MMSZ5221BT1 SERIES 6 5 4 VZ @ IZT 3 2 1 0 −1 −2 −3 2 3 4 5 6 7 8 9 10 VZ, NOMINAL ZENER VOLTAGE (V) 11 12 TYPICAL TC VALUES FOR MMSZ5221BT1 SERIES VZ @ IZT 10 1 10 100 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) 1.2 Ppk, PEAK SURGE POWER (WATTS) 1000 1.0 PD versus TL 0.8 0.6 100 PD versus TA 0.4 0.2 0 0 25 RECTANGULAR WAVEFORM, TA = 25°C 50 75 100 T, TEMPERATURE (°C) 125 10 1 150 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 ZZT, DYNAMIC IMPEDANCE () 0.1 75°C 25°C 0°C 1 1 10 VZ, NOMINAL ZENER VOLTAGE 100 0.4 Figure 5. Effect of Zener Voltage on Zener Impedance 0.5 0.6 0.7 0.8 0.9 1.0 VF, FORWARD VOLTAGE (V) Figure 6. Typical Forward Voltage http://onsemi.com 4 1.1 1.2 MMSZ5221BT1 Series IR, LEAKAGE CURRENT (A) TYPICAL CHARACTERISTICS 1000 TA = 25°C C, CAPACITANCE (pF) 0 V BIAS 1 V BIAS 100 BIAS AT 50% OF VZ NOM 10 1 1 10 VZ, NOMINAL ZENER VOLTAGE (V) 100 1000 100 10 1 +150°C 0.1 0.01 0.001 + 25°C 0.0001 −55°C 0.00001 0 10 Figure 7. Typical Capacitance 20 30 40 50 60 70 VZ, NOMINAL ZENER VOLTAGE (V) Figure 8. Typical Leakage Current 100 100 TA = 25°C IZ, ZENER CURRENT (mA) IZ, ZENER CURRENT (mA) TA = 25°C 10 1 0.1 0.01 80 10 1 0.1 0.01 0 2 4 6 8 VZ, ZENER VOLTAGE (V) 10 10 12 30 50 70 VZ, ZENER VOLTAGE (V) 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) http://onsemi.com 5 90 MMSZ5221BT1 Series PACKAGE DIMENSIONS SOD−123 CASE 425−04 ISSUE C A ÂÂÂÂ ÂÂÂÂ 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 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 STYLE 1: PIN 1. CATHODE 2. ANODE J 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 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. 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. 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