MMBZ5221B Series Surface Mount Zener Diodes SMALL SIGNAL ZENER DIODES 225m WATTS Features: *225mw Power Dissipation *Ideal for Surface Mountted Application *Zener Breakdown Voltage Range 2.4V to 91V 3 Mechanical Data: 1 *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) 2 SOT-23 SOT-23 Outline Dimensions Unit:mm Dim A B C D E G H J K L M WEITRON http://www.weitron.com.tw 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 MMBZ5221B Series WEITRON Maximum Ratings and Electrical Characteristics (TA=25 C Unless Otherwise Noted) Symbol Characteristics Unit Value Total Power Dissipation on FR-5 Board (1) @TA=25 C (1) Thermal Resistance Junction to Ambient Air Forward Voltage @ IF=10mA Junction and Storage Temperature Range PD 225 mW R JA 556 C/W VF 0.9 V Tj,TSTG -65 to+150 C NOTES:1.FR-5=1.0*0.75*0.62in ELECTRICAL CHARACTERISTICS (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 I IF Parameter VZ R evers e Zener Voltage @ IZT I ZT R evers e C urrent Z ZT Maximum Zener Impedance @ I ZT IR R evers e Leakage C urrent @ V R VR R evers e Voltage IF F orward C urrent VF F orward Voltage @ I F I ZK R evers e C urrent Z ZK Maximum Zener Impedance@ I ZK VZ VR IR V F I ZT Zener Voltage Regulator Device Marking Item MMBZ5221B Series WEITRON http://www.weitron.com.tw Marking XX=Specific Device Code (See Table on page3) Equivalent Circuit Diagram 3 Cathode 1 Anode V WE IT R ON 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) V Z (Volts ) @ I ZT Zener Impedanc e Z ZT @ I ZT L eakage C urrent Z ZK @ I ZK IR @ V R Devic e Devic e Marking Min Nom Max mA Ω Ω mA uA Volts MMB Z5221B MMB Z5222B MMB Z5223B MMB Z5224B MMB Z5225B 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 MMB Z5226B MMB Z5227B MMB Z5228B MMB Z5229B MMB Z5230B 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 MMB Z5231B MMB Z5232B MMB Z5233B MMB Z5234B MMB Z5235B 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 MMB Z5236B MMB Z5237B MMB Z5238B MMB Z5239B MMB Z5240B 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 MMB Z5241B MMB Z5242B MMB Z5243B MMB Z5244B MMB Z5245B 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 MMB Z5246B MMB Z5247B MMB Z5248B MMB Z5249B MMB Z5250B 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 MMB Z5251B MMB Z5252B MMB Z5253B MMB Z5254B MMB Z5255B 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 MMB Z5256B MMB Z5257B MMB Z5258B MMB Z5259B MMB Z5260B 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 MMB Z5261B MMB Z5262B MMB Z5263B MMB Z5264B MMB Z5265B 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 MMB Z5266B MMB Z5267B MMB Z5268B MMB Z5269B MMB Z5270B 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 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 WE IT R ON MMBZ5221B Series T Y P IC A L C HA R A C T E R IS T IC S 1000 1000 C, CAPACITANCE (pF) I R , LEAKAGE CURRENT (µA) TA = 25C 0 V BIAS 1 V BIAS 100 B IA S T A 50% OF V Z NOM 10 100 10 1 +150 C 0.1 0.01 +25 C 0.001 ±55 C 0.0001 1 0.00001 1 100 10 0 10 20 V Z , NOMINA L ZE NE R V OLTA G E (V ) 30 40 50 60 F igure 5. Typic al C apac itanc e 90 100 TA = 25C I Z , ZENER CURRENT (mA) TA = 25C I Z , ZENER CURRENT (mA) 80 F igure 6. Typic al L eakage C urrent 100 10 1 0.1 0.01 70 V Z , NOMINA L ZE NE R V OL TA G E (V ) 0 2 4 6 8 10 12 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 ) WEITRON http://www.weitron.com.tw 10 1 0.1 0.01 10 30 50 70 90 V Z , ZE NE R V OLTA G E (V ) F igure 8. Zener Voltage vers us Zener C urrent (12 V to 91 V ) WE IT R ON MMBZ5221B Series 100 8 7 θ VZ, TEMPERATURE COEFFICIENT (mV/C) θ VZ, TEMPERATURE COEFFICIENT (mV/C) T Y P IC A L C HA R A C T E R IS T IC S T Y P IC A L TC VA L UE S F OR MMB Z5221B LT 1 S E R IE S 6 5 4 VZ @ I ZT 3 2 1 0 ±1 ±2 ±3 2 3 4 5 6 7 8 9 10 11 VZ @ I ZT 10 1 10 12 100 V Z , NOMINA L ZE NE R V OL TA G E (V ) V Z , NOMINA L ZE NE R V OLTA G E (V ) 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 5 C to +150 C ) 1000 1000 T J = 25 C I Z(A C ) = 0.1Z(I DC ) f = 1 kHz 75 V (MMB Z5267BTL1) 91 V (MMB Z5270BTL1) IF, FORWARD CURRENT (mA) Z ZT, DYNAMIC IMPEDANCE Ω () T Y P IC A L TC VA L UE S F OR MMB Z5221B LT 1 S E R IE S IZ = 1 mA 100 5 mA 20 mA 10 100 10 150 C 1 1 10 V Z , NOMINA L ZE NE R V OLTA G E F igure 3. E ffec t of Zener oltage V on Zener Impedanc e WEITRON http://www.weitron.com.tw 100 1 0.4 0.5 75 C 25 C 0.6 0.7 0C 0.8 0.9 1.0 1.1 V F, F ORWA R D V OLTA G E (V ) F igure 4. Typic al F orward Voltage 1.2