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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. specification features: ? 225 mw rating on fr?4 or fr?5 board ? zener voltage range ? 2.4 v to 91 v ? small package size for high density applications ? esd rating of class 3 (>16 kv) per human body model mechanical characteristics: case: void-free, transfer-molded, thermosetting plastic case finish: corrosion resistant finish, easily solderable maximum case temperature for soldering purposes: 260 c for 10 seconds polarity: cathode indicated by polarity band flammability rating: ul94 v?0 maximum ratings rating symbol max unit total power dissipation on fr?5 board, (note 1) @ t a = 25 c derated above 25 c p d 225 1.8 mw mw/ c thermal resistance ? junction?to?ambient r ja 556 c/w total power dissipation on alumina substrate, (note 2) @ t a = 25 c derated above 25 c p d 300 2.4 mw mw/ c thermal resistance ? junction?to?ambient r ja 417 c/w junction and storage temperature range t j ,t stg ?65 to +150 c 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 3 cathode 1 anode marking diagram xxx = specific device code m = date code xxx m lmbz5221blt1g series sot - 23 (to - 236ab) device *1 package shipping lmbz5221blt1g series sot-23 3000/tape&reel lmbz5221blt3g series sot-23 10,000/tape&reel ordering information leshan radio company, ltd. ? we declare that the material of product compliance with rohs requirements. rev.a 1/6 1 2 3 s-lmbz5221blt1g series s-lmbz5221blt1g series s-lmbz5221blt3g series ? s- prefix for automotive and other applications requiring unique site and control change requirements; aec-q101 qualified and ppap capable.
lmbz5221blt1g series , s-lmbz5221blt1g series electrical characteristics (pinout: 1-anode, 2-no connection, 3-cathode) (t a = 25 c unless otherwise noted, v f = 0.95 v max. @ i f = 10 ma) symbol parameter v z reverse zener voltage @ i zt i zt reverse current z zt maximum zener impedance @ i zt i zk reverse current z zk maximum zener impedance @ i zk i r reverse leakage current @ v r v r reverse voltage i f forward current v f forward voltage @ i f zener voltage regulator i f v i i r i zt v r v z v f leshan radio company, ltd. rev.a 2/6
electrical characteristics (pinout: 1-anode, 2-nc, 3-cathode) (v f = 0.9 v max @ i f = 10 ma for all types.) zener voltage (note 3) zener impedance leakage current device v z (volts) @ i zt z zt @ i zt z zk @ i zk i r @ v r device device marking min nom max ma ma a volts lmbz5221blt1 g 18a 2.28 2.4 2.52 20 30 1200 0.25 100 1 lmbz5222blt1 g 18b 2.37 2.5 2.63 20 30 1250 0.25 100 1 lmbz5223blt1 g 18c 2.56 2.7 2.84 20 30 1300 0.25 75 1 lmbz5224blt1 g 18d 2.66 2.8 2.94 20 30 1400 0.25 75 1 lmbz5225blt1 g 18e 2.85 3 3.15 20 29 1600 0.25 50 1 lmbz5226blt1 g 8a 3.13 3.3 3.47 20 28 1600 0.25 25 1 lmbz5227blt1 g 8b 3.42 3.6 3.78 20 24 1700 0.25 15 1 lmbz5228blt1 g 8c 3.70 3.9 4.10 20 23 1900 0.25 10 1 lmbz5229blt1 g 8d 4.08 4.3 4.52 20 22 2000 0.25 5 1 lmbz5230blt1 g 8e 4.46 4.7 4.94 20 19 1900 0.25 5 2 l mbz5231blt1 g 8f 4.84 5.1 5.36 20 17 1600 0.25 5 2 l mbz5232blt1 g 8g 5.32 5.6 5.88 20 11 1600 0.25 5 3 lmbz5233blt1* g 8h 5.70 6 6.30 20 7 1600 0.25 5 3.5 l mbz5234blt1 g 8j 5.89 6.2 6.51 20 7 1000 0.25 5 4 l mbz5235blt1 g 8k 6.46 6.8 7.14 20 5 750 0.25 3 5 lmbz5236blt1 g 8l 7.12 7.5 7.88 20 6 500 0.25 3 6 lmbz5237blt1 g 8m 7.79 8.2 8.61 20 8 500 0.25 3 6.5 lmbz5238blt1 g 8n 8.26 8.7 9.14 20 8 600 0.25 3 6.5 lmbz5239blt1 g 8p 8.64 9.1 9.56 20 10 600 0.25 3 7 l mbz5240blt1 g 8q 9.50 10 10.50 20 17 600 0.25 3 8 lmbz5241blt1 g 8r 10.4 11 11.55 20 22 600 0.25 2 8.4 l mbz5242blt1 g 8s 11.40 12 12.60 20 30 600 0.25 1 9.1 lmbz5243blt1 g 8t 12.35 13 13.65 9.5 13 600 0.25 0.5 9.9 lmbz5244blt1 g 8u 13.30 14 14.70 9 15 600 0.25 0.1 10 l mbz5245blt1 g 8v 14.25 15 15.75 8.5 16 600 0.25 0.1 11 lmbz5246blt1* g 8w 15.20 16 16.80 7.8 17 600 0.25 0.1 12 lmbz5247blt1 g 8x 16.15 17 17.85 7.4 19 600 0.25 0.1 13 l mbz5248blt1 g 8y 17.10 18 18.90 7 21 600 0.25 0.1 14 lmbz5249blt1 g 8z 18.05 19 19.95 6.6 23 600 0.25 0.1 14 l mbz5250blt1 g 81a 19.00 20 21.00 6.2 25 600 0.25 0.1 15 lmbz5251blt1g 81b 20.90 22 23.10 5.6 29 600 0.25 0.1 17 lmbz5252blt1g 81c 22.80 24 25.20 5.2 33 600 0.25 0.1 18 lmbz5253blt1 g 81d 23.75 25 26.25 5 35 600 0.25 0.1 19 l mbz5254blt1 g 81e 25.65 27 28.35 4.6 41 600 0.25 0.1 21 lmbz5255blt1 g 81f 26.60 28 29.40 4.5 44 600 0.25 0.1 21 lmbz5256blt1 g 81g 28.50 30 31.50 4.2 49 600 0.25 0.1 23 l mbz5257blt1 g 81h 31.35 33 34.65 3.8 58 700 0.25 0.1 25 lmbz5258blt1 g 81j 34.20 36 37.80 3.4 70 700 0.25 0.1 27 lmbz5259blt1 g 81k 37.05 39 40.95 3.2 80 800 0.25 0.1 30 lmbz5260blt1 g 81l 40.85 43 45.15 3 93 900 0.25 0.1 33 lmbz5261blt1 g 81m 44.65 47 49.35 2.7 105 1000 0.25 0.1 36 lmbz5262blt1 g 81n 48.45 51 53.55 2.5 125 1100 0.25 0.1 39 lmbz5263blt1 g 81p 53.20 56 58.80 2.2 150 1300 0.25 0.1 43 lmbz5264blt1 g 81q 57.00 60 63.00 2.1 170 1400 0.25 0.1 46 lmbz5265blt1 g 81r 58.90 62 65.10 2 185 1400 0.25 0.1 47 lmbz5266blt1 g 81s 64.60 68 71.40 1.8 230 1600 0.25 0.1 52 lmbz5267blt1 g 81t 71.25 75 78.75 1.7 270 1700 0.25 0.1 56 lmbz5268blt1 g 81u 77.90 82 86.10 1.5 330 2000 0.25 0.1 62 lmbz5269blt1 g 81v 82.65 87 91.35 1.4 370 2200 0.25 0.1 68 lmbz5270blt1 g 81w 86.45 91 95.55 1.4 400 2300 0.25 0.1 69 3. zener voltage is measured with a pulse test current i z at an ambient temperature of 25 c *not production leshan radio company, ltd. rev.a 3/6 lmbz5221blt1g series , s-lmbz5221blt1g series * * *
typical characteristics

v z , nominal zener voltage (v) ?3 ?2 ?1 0 1 2 3 4 5 6 7 8 12 11 10 9 8 7 6 5 4 3 2 figure 1. temperature coefficients (temperature range ?55 c to +150 c) typical t c values for l mbz5221blt1 series

100 10 1 10 100 v z , nominal zener voltage (v) figure 2. temperature coefficients (temperature range ?55 c to +150 c) typical t c values for l mbz5221blt1 series 100 v z , nominal zener voltage figure 3. effect of zener voltage on zener impedance 10 1

? 1000 100 10 1 t j = 25 c i z(ac) = 0.1 i z(dc) f = 1 khz

v f , forward voltage (v) figure 4. typical forward voltage 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4

1000 100 10 1 75 v ( l mbz5267blt1) 91 v ( l mbz5270blt1) 150 c leshan radio company, ltd. rev.a 4/6 lmbz5221blt1g series , s-lmbz5221blt1g series
typical characteristics

100 v z , nominal zener voltage (v) figure 5. typical capacitance 1000 100 10 1 10 1 bias at 50% of v z nom

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! 12 v z , zener voltage (v) 100 10 1 0.1 0.01 10 8 6 4 2 0

v z , zener voltage (v) 100 10 1 0.1 0.01 10 30 50 70 90
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90 v z , nominal zener voltage (v) figure 6. typical leakage current 1000 100 10 1 0.1 0.01 0.001 0.0001 0.00001 80 70 60 50 40 30 20 10 0 +150 c +25 c ?55 c
figure 7. zener voltage versus zener current (v z up to 12 v) figure 8. zener voltage versus zener current (12 v to 91 v) leshan radio company, ltd. rev.a 5/6 lmbz5221blt1g series , s-lmbz5221blt1g series
leshan radio company, ltd. notes: 1. dimensioning and tolerancing per ansi y14.5m,1982 2. controlling dimension: inch. inches millimeters dim min max min max a 0.1102 0.1197 2.80 3.04 b 0.0472 0.0551 1.20 1.40 c 0.0350 0.0440 0.89 1.11 d 0.0150 0.0200 0.37 0.50 g 0.0701 0.0807 1.78 2.04 h 0.0005 0.0040 0.013 0.100 j 0.0034 0.0070 0.085 0.177 k 0.0140 0.0285 0.35 0.69 l 0.0350 0.0401 0.89 1.02 s 0.0830 0.1039 2.10 2.64 v 0.0177 0.0236 0.45 0.60 sot - 23 d j k l a c b s h g v 12 3 mm inches 0.037 0.95 0.037 0.95 0.079 2.0 0.035 0.9 0.031 0.8 a1 rev.a 6/6 lmbz5221blt1g series , s-lmbz5221blt1g series

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