MMBZ5221BLT1 Series Preferred Device Zener Voltage Regulators 225 mW SOT-23 Surface Mount This series of Zener diodes is offered in the convenient, surface mount plastic SOT-23 package. These devices are designed to provide voltage regulation with minimum space requirement. They are well suited for applications such as cellular phones, hand held portables, and high density PC boards. http://onsemi.com Features 3 Cathode Pb-Free Packages are Available 225 mW Rating on FR-4 or FR-5 Board Zener Voltage Range - 2.4 V to 91 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 1 Anode MARKING DIAGRAM 3 Mechanical Characteristics CASE: Void-free, transfer-molded, thermosetting plastic case FINISH: Corrosion resistant finish, easily solderable MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES: 1 2 SOT-23 CASE 318 STYLE 8 xxx M * * * * * * xxx = Specific Device Code M = Date Code 260C for 10 Seconds POLARITY: Cathode indicated by polarity band FLAMMABILITY RATING: UL 94 V-0 ORDERING INFORMATION MAXIMUM RATINGS Device** Rating Symbol Total Power Dissipation on FR-5 Board, (Note 1) @ TA = 25C Derated above 25C PD Thermal Resistance, Junction-to-Ambient Total Power Dissipation on Alumina Substrate, (Note 2) @ TA = 25C Derated above 25C RJA Max Unit 225 1.8 mW mW/C 556 C/W 300 2.4 mW mW/C RJA 417 C/W Junction and Storage Temperature Range TJ, Tstg -65 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 = 1.0 X 0.75 X 0.62 in. 2. Alumina = 0.4 X 0.3 X 0.024 in, 99.5% alumina. August, 2004 - Rev. 5 MMBZ52xxBLT1G MMBZ52xxBLT3 MMBZ52xxBLT3G PD Thermal Resistance, Junction-to-Ambient Semiconductor Components Industries, LLC, 2004 MMBZ52xxBLT1 1 Package Shipping SOT-23 3000/Tape & Reel SOT-23 (Pb-Free) 3000/Tape & Reel SOT-23 10,000/Tape & Reel SOT-23 10,000/Tape & Reel (Pb-Free) **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: MMBZ5221BLT1/D MMBZ5221BLT1 Series ELECTRICAL CHARACTERISTICS I (Pinout: 1-Anode, 2-No Connection, 3-Cathode) (TA = 25C unless otherwise noted, VF = 0.95 V Max. @ IF = 10 mA) IF Parameter Symbol 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 MMBZ5221BLT1 Series ELECTRICAL CHARACTERISTICS (Pinout: 1-Anode, 2-NC, 3-Cathode) (VF = 0.9 V Max @ IF = 10 mA for all types.) Zener Voltage (Note 3) VZ (Volts) Zener Impedance @ IZT ZZT @ IZT Leakage Current ZZK @ IZK IR @ VR Device Marking Min Nom Max mA mA A Volts MMBZ5221BL MMBZ5222BL MMBZ5223BL MMBZ5224BL MMBZ5225BL 18A 18B 18C 18D 18E 2.28 2.37 2.56 2.66 2.85 2.4 2.5 2.7 2.8 3 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 MMBZ5226BL MMBZ5227BL MMBZ5228BL MMBZ5229BL MMBZ5230BL 8A 8B 8C 8D 8E 3.13 3.42 3.70 4.08 4.46 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 MMBZ5231BL MMBZ5232BL MMBZ5233BL MMBZ5234BL MMBZ5235BL 8F 8G 8H 8J 8K 4.84 5.32 5.70 5.89 6.46 5.1 5.6 6 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 MMBZ5236BL MMBZ5237BL MMBZ5238BL MMBZ5239BL MMBZ5240BL 8L 8M 8N 8P 8Q 7.12 7.79 8.26 8.64 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 MMBZ5241BL MMBZ5242BL MMBZ5243BL MMBZ5244BL MMBZ5245BL 8R 8S 8T 8U 8V 10.4 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 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 MMBZ5246BL MMBZ5247BL MMBZ5248BL MMBZ5249BL MMBZ5250BL 8W 8X 8Y 8Z 81A 15.20 16.15 17.10 18.05 19.00 16 17 18 19 20 16.80 17.85 18.90 19.95 21.00 7.8 7.4 7 6.6 6.2 17 19 21 23 25 600 600 600 600 600 0.25 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0.1 12 13 14 14 15 MMBZ5251BL MMBZ5252BL MMBZ5253BL MMBZ5254BL MMBZ5255BL 81B 81C 81D 81E 81F 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 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 MMBZ5256BL MMBZ5257BL MMBZ5258BL MMBZ5259BL MMBZ5260BL 81G 81H 81J 81K 81L 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 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 MMBZ5261BL MMBZ5262BL MMBZ5263BL MMBZ5264BL MMBZ5265BL 81M 81N 81P 81Q 81R 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 2 105 125 150 170 185 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 MMBZ5266BL MMBZ5267BL MMBZ5268BL MMBZ5269BL MMBZ5270BL 81S 81T 81U 81V 81W 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 Device 3. Zener voltage is measured with a pulse test current IZ at an ambient temperature of 25C NOTE: MMBZ5233BLT1, MMBZ5246BLT1, MMBZ5251BLT1, and MMBZ5252BLT1 Not Available in 10,000/Tape & Reel. http://onsemi.com 3 MMBZ5221BLT1 Series 8 100 7 VZ, TEMPERATURE COEFFICIENT (mV/C) VZ, TEMPERATURE COEFFICIENT (mV/C) TYPICAL CHARACTERISTICS TYPICAL TC VALUES FOR MMBZ5221BLT1 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 MMBZ5221BLT1 SERIES VZ @ IZT 10 1 10 100 VZ, NOMINAL ZENER VOLTAGE (V) Figure 1. Temperature Coefficients (Temperature Range - 55C to +150C) Figure 2. Temperature Coefficients (Temperature Range - 55C to +150C) 1000 IZ = 1 mA 100 TJ = 25C IZ(AC) = 0.1 IZ(DC) f = 1 kHz IF, FORWARD CURRENT (mA) Z ZT, DYNAMIC IMPEDANCE ( ) 1000 100 5 mA 20 mA 10 1 1 75 V (MMBZ5267BLT1) 91 V (MMBZ5270BLT1) 10 VZ, NOMINAL ZENER VOLTAGE 100 10 1 0.4 150C Figure 3. Effect of Zener Voltage on Zener Impedance 0.5 75C 25C 0C 0.6 0.7 0.8 0.9 1.0 VF, FORWARD VOLTAGE (V) Figure 4. Typical Forward Voltage http://onsemi.com 4 1.1 1.2 MMBZ5221BLT1 Series TYPICAL CHARACTERISTICS 1000 1000 C, CAPACITANCE (pF) 0 V BIAS 1 V BIAS I R , LEAKAGE CURRENT (A) TA = 25C 100 BIAS AT 50% OF VZ NOM 10 1 1 10 VZ, NOMINAL ZENER VOLTAGE (V) 100 100 10 1 +150C 0.1 0.01 0.001 + 25C 0.0001 -55C 0.00001 0 10 Figure 5. Typical Capacitance 100 TA = 25C 10 1 0.1 0.01 0 2 4 6 8 VZ, ZENER VOLTAGE (V) 80 Figure 6. Typical Leakage Current I Z , ZENER CURRENT (mA) I Z , ZENER CURRENT (mA) 100 20 30 40 50 60 70 VZ, NOMINAL ZENER VOLTAGE (V) 10 10 1 0.1 0.01 12 TA = 25C 10 30 50 70 VZ, ZENER VOLTAGE (V) 90 Figure 8. Zener Voltage versus Zener Current (12 V to 91 V) Figure 7. Zener Voltage versus Zener Current (VZ Up to 12 V) http://onsemi.com 5 90 MMBZ5221BLT1 Series PACKAGE DIMENSIONS SOT-23 (TO-236) CASE 318-08 ISSUE AJ NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS. MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE MATERIAL. 4. 318-03 AND -07 OBSOLETE, NEW STANDARD 318-08. A L 3 1 V B S 2 G DIM A B C D G H J K L S V C D H K J INCHES MIN MAX 0.1102 0.1197 0.0472 0.0551 0.0350 0.0440 0.0150 0.0200 0.0701 0.0807 0.0005 0.0040 0.0034 0.0070 0.0140 0.0285 0.0350 0.0401 0.0830 0.1039 0.0177 0.0236 MILLIMETERS MIN MAX 2.80 3.04 1.20 1.40 0.89 1.11 0.37 0.50 1.78 2.04 0.013 0.100 0.085 0.177 0.35 0.69 0.89 1.02 2.10 2.64 0.45 0.60 STYLE 8: PIN 1. ANODE 2. NO CONNECTION 3. CATHODE SOLDERING FOOTPRINT* 0.95 0.037 0.95 0.037 2.0 0.079 0.9 0.035 0.8 0.031 SCALE 10:1 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. 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