? semiconductor components industries, llc, 2002 june, 2002 rev. 3 1 publication order number: mmbz5221blt1/d mmbz5221blt1 series zener voltage regulators 225 mw sot23 surface mount this series of zener diodes is offered in the convenient, surface mount plastic sot23 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 fr4 or fr5 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 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 v0 maximum ratings rating symbol max unit total power dissipation on fr5 board, (note 1) @ t a = 25 c derated above 25 c p d 225 1.8 mw mw/ c thermal resistance junctiontoambient 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`toambient r ja 417 c/w junction and storage temperature range t j , t stg 65 to +150 c 1. fr5 = 1.0 x 0.75 x 0.62 in. 2. alumina = 0.4 x 0.3 x 0.024 in., 99.5% alumina device package shipping ordering information sot23 case 318 style 8 3 cathode 1 anode mmbz52xxblt1 sot23 3000/tape & reel marking diagram see specific marking information in the device marking column of the electrical characteristics table on page 3 of this data sheet. device marking information xxx = specific device code m = date code xxx 2the at1o suffix refers to an 8 mm, 7 inch reel. the at3o suffix refers to an 8 mm, 13 inch reel. m mmbz52xxblt3* sot23 10,000/tape & reel 3 1 2 devices listed in bold, italic are on semiconductor preferred devices. preferred devices are recommended choices for future use and best overall value. http://onsemi.com *mmbz5233blt1, mmbz5246blt1, mmbz5251blt1, and mmbz5252blt1 not avail- able in 10,000/tape & reel.
mmbz5221blt1 series http://onsemi.com 2 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
mmbz5221blt1 series http://onsemi.com 3 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 mmbz5221blt1 18a 2.28 2.4 2.52 20 30 1200 0.25 100 1 mmbz5222blt1 18b 2.37 2.5 2.63 20 30 1250 0.25 100 1 mmbz5223blt1 18c 2.56 2.7 2.84 20 30 1300 0.25 75 1 mmbz5224blt1 18d 2.66 2.8 2.94 20 30 1400 0.25 75 1 mmbz5225blt1 18e 2.85 3 3.15 20 29 1600 0.25 50 1 mmbz5226blt1 8a 3.13 3.3 3.47 20 28 1600 0.25 25 1 mmbz5227blt1 8b 3.42 3.6 3.78 20 24 1700 0.25 15 1 mmbz5228blt1 8c 3.70 3.9 4.10 20 23 1900 0.25 10 1 mmbz5229blt1 8d 4.08 4.3 4.52 20 22 2000 0.25 5 1 mmbz5230blt1 8e 4.46 4.7 4.94 20 19 1900 0.25 5 2 mmbz5231blt1 8f 4.84 5.1 5.36 20 17 1600 0.25 5 2 mmbz5232blt1 8g 5.32 5.6 5.88 20 11 1600 0.25 5 3 mmbz5233blt1* 8h 5.70 6 6.30 20 7 1600 0.25 5 3.5 mmbz5234blt1 8j 5.89 6.2 6.51 20 7 1000 0.25 5 4 mmbz5235blt1 8k 6.46 6.8 7.14 20 5 750 0.25 3 5 mmbz5236blt1 8l 7.12 7.5 7.88 20 6 500 0.25 3 6 mmbz5237blt1 8m 7.79 8.2 8.61 20 8 500 0.25 3 6.5 mmbz5238blt1 8n 8.26 8.7 9.14 20 8 600 0.25 3 6.5 mmbz5239blt1 8p 8.64 9.1 9.56 20 10 600 0.25 3 7 mmbz5240blt1 8q 9.50 10 10.50 20 17 600 0.25 3 8 mmbz5241blt1 8r 10.4 11 11.55 20 22 600 0.25 2 8.4 mmbz5242blt1 8s 11.40 12 12.60 20 30 600 0.25 1 9.1 mmbz5243blt1 8t 12.35 13 13.65 9.5 13 600 0.25 0.5 9.9 mmbz5244blt1 8u 13.30 14 14.70 9 15 600 0.25 0.1 10 mmbz5245blt1 8v 14.25 15 15.75 8.5 16 600 0.25 0.1 11 mmbz5246blt1* 8w 15.20 16 16.80 7.8 17 600 0.25 0.1 12 mmbz5247blt1 8x 16.15 17 17.85 7.4 19 600 0.25 0.1 13 mmbz5248blt1 8y 17.10 18 18.90 7 21 600 0.25 0.1 14 mmbz5249blt1 8z 18.05 19 19.95 6.6 23 600 0.25 0.1 14 mmbz5250blt1 81a 19.00 20 21.00 6.2 25 600 0.25 0.1 15 mmbz5251blt1* 81b 20.90 22 23.10 5.6 29 600 0.25 0.1 17 mmbz5252blt1* 81c 22.80 24 25.20 5.2 33 600 0.25 0.1 18 mmbz5253blt1 81d 23.75 25 26.25 5 35 600 0.25 0.1 19 mmbz5254blt1 81e 25.65 27 28.35 4.6 41 600 0.25 0.1 21 mmbz5255blt1 81f 26.60 28 29.40 4.5 44 600 0.25 0.1 21 mmbz5256blt1 81g 28.50 30 31.50 4.2 49 600 0.25 0.1 23 mmbz5257blt1 81h 31.35 33 34.65 3.8 58 700 0.25 0.1 25 mmbz5258blt1 81j 34.20 36 37.80 3.4 70 700 0.25 0.1 27 mmbz5259blt1 81k 37.05 39 40.95 3.2 80 800 0.25 0.1 30 mmbz5260blt1 81l 40.85 43 45.15 3 93 900 0.25 0.1 33 mmbz5261blt1 81m 44.65 47 49.35 2.7 105 1000 0.25 0.1 36 mmbz5262blt1 81n 48.45 51 53.55 2.5 125 1100 0.25 0.1 39 mmbz5263blt1 81p 53.20 56 58.80 2.2 150 1300 0.25 0.1 43 mmbz5264blt1 81q 57.00 60 63.00 2.1 170 1400 0.25 0.1 46 mmbz5265blt1 81r 58.90 62 65.10 2 185 1400 0.25 0.1 47 mmbz5266blt1 81s 64.60 68 71.40 1.8 230 1600 0.25 0.1 52 mmbz5267blt1 81t 71.25 75 78.75 1.7 270 1700 0.25 0.1 56 mmbz5268blt1 81u 77.90 82 86.10 1.5 330 2000 0.25 0.1 62 mmbz5269blt1 81v 82.65 87 91.35 1.4 370 2200 0.25 0.1 68 mmbz5270blt1 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 available in the 10,0000/tape & reel.
mmbz5221blt1 series http://onsemi.com 4 typical characteristics vz , temperature coefficient (mv/ c) q 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 mmbz5221blt1 series v z @ i zt vz , temperature coefficient (mv/ c) q 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 mmbz5221blt1 series v z @ i zt 100 v z , nominal zener voltage figure 3. effect of zener voltage on zener impedance 10 1 z zt , dynamic impedance ( ) w 1000 100 10 1 t j = 25 c i z(ac) = 0.1 i z(dc) f = 1 khz i z = 1 ma 5 ma 20 ma 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 i f , forward current (ma) 1000 100 10 1 75 v (mmbz5267blt1) 91 v (mmbz5270blt1) 150 c 75 c 25 c 0 c
mmbz5221blt1 series http://onsemi.com 5 typical characteristics c, capacitance (pf) 100 v z , nominal zener voltage (v) figure 5. typical capacitance 1000 100 10 1 10 1 bias at 50% of v z nom t a = 25 c 0 v bias 1 v bias 12 v z , zener voltage (v) 100 10 1 0.1 0.01 10 8 6 4 2 0 t a = 25 c i z , zener current (ma) v z , zener voltage (v) 100 10 1 0.1 0.01 10 30 50 70 90 t a = 25 c i r , leakage current ( a) m 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 i z , zener current (ma) 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)
mmbz5221blt1 series http://onsemi.com 6 package dimensions sot23 to236ab case 31808 issue ah d j k l a c b s h g v 3 1 2 dim a min max min max millimeters 0.1102 0.1197 2.80 3.04 inches 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 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.
mmbz5221blt1 series http://onsemi.com 7 notes
mmbz5221blt1 series http://onsemi.com 8 on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e 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 s pecifically disclaims any and all liability, including without limitation special, consequential or incidental damages. atypicalo 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 atypicalso 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. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body , or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indem nify and hold scillc and its of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and re asonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized u se, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employ er. publication ordering information japan : on semiconductor, japan customer focus center 4321 nishigotanda, shinagawaku, tokyo, japan 1410031 phone : 81357402700 email : r14525@onsemi.com on semiconductor website : http://onsemi.com for additional information, please contact your local sales representative. mmbz5221blt1/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 3036752175 or 8003443860 toll free usa/canada fax : 3036752176 or 8003443867 toll free usa/canada email : onlit@hibbertco.com n. american technical support : 8002829855 toll free usa/canada
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