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| MMBZ5221B Series Surface Mount Zener Diodes Features: *225mw Power Dissipation *Ideal for Surface Mountted Application *Zener Breakdown Voltage Range 2.4V to 91V SMALL SIGNAL ZENER DIODES 225m WATTS Mechanical Data: *Case : SOT-23 Molded plastic *Terminals: Solderable per MIL-STD-202, Method 208 *Polarity: Cathode Indicated by Polarity Band *Marking: Marking Code (See Table on Page 3) *Weigh: 0.008grams(approx) 1 2 3 SOT-23 SOT-23 Outline Dimensions Dim A B C D E G H J K L M Min 0.35 1.19 2.10 0.85 0.46 1.70 2.70 0.01 0.89 0.30 0.076 Max 0.51 1.40 3.00 1.05 1.00 2.10 3.10 0.13 1.10 0.61 0.25 Unit:mm WEITRON http://www.weitron.com.tw MMBZ5221B Series Total Power Dissipation on FR-5 Board @TA=25 C Thermal Resistance Junction to Ambient Air Forward Voltage @ IF=10mA Junction and Storage Temperature Range NOTES:1.FR-5=1.0*0.75*0.62in (1) (1) WEITRON Maximum Ratings and Electrical Characteristics (TA=25 C Unless Otherwise Noted) Symbol Characteristics Unit Value PD R JA VF Tj,TSTG 225 556 0.9 -65 to+150 mW C/W V C ELECTRICAL CHARACTERISTICS I IF (P inout: 1-Anode, 2-No C onnection, 3-C athode) (T A = 25 C unles s otherwis e noted, V F = 0.9V Max. @ I F = 10 mA) Symbol VZ I ZT Z ZT IR VR IF VF I ZK Z ZK R evers e C urrent Parameter R evers e Zener Voltage @ IZT Maximum Zener Impedance @ I ZT R evers e Leakage C urrent @ V R R evers e Voltage F orward C urrent F orward Voltage @ I F R evers e C urrent Maximum Zener Impedance@ I ZK VZ VR IR V F I ZT V Zener V oltage Regulator Device Marking Item MMBZ5221B Series Marking XX=Specific Device Code (See Table on page3) Equivalent Circuit Diagram 3 1 Cathode Anode http://www.weitron.com.tw WEITRON MMBZ5221B Series E L E C T R IC A L C HA R A C T E R IS T IC S (P inout: 1-Anode, 2-NC , 3-C athode) (V F = 0.9 V Max @ I F = 10 mA for all types .) Zener Voltage (Note) Devic e Marking 18A 18B 18C 18D 18E 8A 8B 8C 8D 8E 8F 8G 8H 8J 8K WE IT R ON Zener Impedanc e Z ZT @ I ZT 30 30 30 30 29 28 24 23 22 19 17 11 7 7 5 L eakage C urrent IR @ V R uA 100 100 75 75 50 25 15 10 5 5 5 5 5 5 3 V Z (Volts ) Min 2.28 2.37 2.56 2.66 2.85 3.13 3.42 3.70 4.08 4.46 4.84 5.32 5.70 5.89 6.46 @ I ZT Max 2.52 2.63 2.84 2.94 3.15 3.47 3.78 4.10 4.52 4.94 5.36 5.88 6.30 6.51 7.14 Z ZK @ I ZK 1200 1250 1300 1400 1600 1600 1700 1900 2000 1900 1600 1600 1600 1000 750 Devic e MMB Z5221B MMB Z5222B MMB Z5223B MMB Z5224B MMB Z5225B MMB Z5226B MMB Z5227B MMB Z5228B MMB Z5229B MMB Z5230B MMB Z5231B MMB Z5232B MMB Z5233B MMB Z5234B MMB Z5235B Nom 2.4 2.5 2.7 2.8 3 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6 6.2 6.8 mA 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 mA 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Volts 1 1 1 1 1 1 1 1 1 2 2 3 3.5 4 5 MMB Z5236B MMB Z5237B MMB Z5238B MMB Z5239B MMB Z5240B MMB Z5241B MMB Z5242B MMB Z5243B MMB Z5244B MMB Z5245B MMB Z5246B MMB Z5247B MMB Z5248B MMB Z5249B MMB Z5250B MMB Z5251B MMB Z5252B MMB Z5253B MMB Z5254B MMB Z5255B MMB Z5256B MMB Z5257B MMB Z5258B MMB Z5259B MMB Z5260B MMB Z5261B MMB Z5262B MMB Z5263B MMB Z5264B MMB Z5265B MMB Z5266B MMB Z5267B MMB Z5268B MMB Z5269B MMB Z5270B 8L 8M 8N 8P 8Q 8R 8S 8T 8U 8V 8W 8X 8Y 8Z 81A 81B 81C 81D 81E 81F 81G 81H 81J 81K 81L 81M 81N 81P 81Q 81R 81S 81T 81U 81V 81W 7.12 7.79 8.26 8.64 9.50 10.4 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 44.65 48.45 53.20 57.00 58.90 64.60 71.25 77.90 82.65 86.45 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 47 51 56 60 62 68 75 82 87 91 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 49.35 53.55 58.80 63.00 65.10 71.40 78.75 86.10 91.35 95.55 20 20 20 20 20 20 20 9.5 9 8.5 7.8 7.4 7 6.6 6.2 5.6 5.2 5 4.6 4.5 4.2 3.8 3.4 3.2 3 2.7 2.5 2.2 2.1 2 1.8 1.7 1.5 1.4 1.4 6 8 8 10 17 22 30 13 15 16 17 19 21 23 25 29 33 35 41 44 49 58 70 80 93 105 125 150 170 185 230 270 330 370 400 500 500 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 700 700 800 900 1000 1100 1300 1400 1400 1600 1700 2000 2200 2300 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 3 3 3 3 3 2 1 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 6 6.5 6.5 7 8 8.4 9.1 9.9 10 11 12 13 14 14 15 17 18 19 21 21 23 25 27 30 33 36 39 43 46 47 52 56 62 68 69 NOT E . Zener voltage is meas ured with a puls e tes t current I Z at an ambient temperature of 25 C WEITRON http://www.weitron.com.tw MMBZ5221B Series T Y P IC A L C HA R A C T E R IS T IC S 1000 1000 WE IT R ON I R , LEAKAGE CURRENT (A) 0 V BIAS 1 V BIAS C, CAPACITANCE (pF) 100 TA = 25C 100 10 1 +150 C B IA S T A 50% OF V Z NOM 10 0.1 0.01 0.001 +25 C 55 C 0.0001 1 1 10 V Z , NOMINA L ZE NE R V OLTA G E (V ) 100 0.00001 0 10 20 30 40 50 60 70 80 90 V Z , NOMINA L ZE NE R V OL G E (V ) TA F igure 5. Typic al C apac itanc e F igure 6. Typic al L eakage C urrent 100 100 TA = 25C I Z , ZENER CURRENT (mA) I Z , ZENER CURRENT (mA) 10 10 TA = 25C 1 1 0.1 0.1 0.01 0 2 4 6 8 10 12 0.01 10 30 50 70 90 V Z , ZE NE R V OLTA G E (V ) V Z , ZE NE R V OLTA G E (V ) F igure 7. Zener Voltage vers us Zener C urrent (V Z Up to 12 V ) F igure 8. Zener Voltage vers us Zener C urrent (12 V to 91 V ) WEITRON http://www.weitron.com.tw MMBZ5221B Series T Y P IC A L C HA R A C T E R IS T IC S VZ, TEMPERATURE COEFFICIENT (mV/C) 8 7 6 5 4 3 2 1 0 1 2 3 2 3 4 5 6 7 8 9 10 11 12 V Z , NOMINA L ZE NE R V OL G E (V ) TA T Y P IC A L TC VA L UE S F OR MMB Z5221B L 1 S E R IE S T 100 WE IT R ON VZ, TEMPERATURE COEFFICIENT (mV/C) T Y P IC A L TC VA L UE S F OR MMB Z5221B L 1 S E R IE S T VZ @ I ZT VZ @ I ZT 10 1 10 V Z , NOMINA L ZE NE R V OLTA G E (V ) 100 F igure 1. Temperature C oeffic ients (Temperature R ange 5 5 C to +150 C ) F igure 2. Temperature C oeffic ients (Temperature R ange 5 C to +150 C ) 5 1000 T J = 25 C I Z(A C ) = 0.1Z(I DC ) f = 1 kHz 1000 75 V (MMB Z5267BT 1) L 91 V (MMB Z5270BT 1) L Z ZT, DYNAMIC IMPEDANCE ) ( IZ = 1 mA 100 IF, FORWARD CURRENT (mA) 100 5 mA 20 mA 10 10 150 C 1 1 10 V Z , NOMINA L ZE NE R V OLTA G E 100 1 0.4 75 C 25 C 0.6 0.7 0C 0.8 0.9 1.0 1.1 1.2 0.5 V F, F OR R D V OL G E (V ) WA TA F igure 3. E ffec t of Zener V oltage on Zener Impedanc e F igure 4. Typic al F orward Voltage WEITRON http://www.weitron.com.tw |
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