? semiconductor components industries, llc, 2005 january, 2005 ? rev. 7 1 publication order number: mmbz5221blt1/d 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. features ? 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 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: ul 94 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 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. device ** package shipping 2 ordering information sot?23 case 318 style 8 3 cathode 1 anode mmbz52xxblt1 sot?23 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 **the at1o suffix refers to an 8 mm, 7 inch reel. the at3o suffix refers to an 8 mm, 13 inch reel. m mmbz52xxblt3 sot?23 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. mmbz52xxblt1g sot?23 (pb?free) 3000/tape & reel 2for information on tape and reel specifications, including part orientation and tape sizes, please refer to our t ape and reel packaging specifications brochure, brd8011/d. mmbz52xxblt3g sot?23 (pb?free) 10,000/tape & reel http://onsemi.com
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 mmbz5221bl, g 18a 2.28 2.4 2.52 20 30 1200 0.25 100 1 mmbz5222bl, g 18b 2.37 2.5 2.63 20 30 1250 0.25 100 1 mmbz5223bl, g 18c 2.56 2.7 2.84 20 30 1300 0.25 75 1 mmbz5224bl 18d 2.66 2.8 2.94 20 30 1400 0.25 75 1 mmbz5225bl, g 18e 2.85 3 3.15 20 29 1600 0.25 50 1 mmbz5226bl, g 8a 3.13 3.3 3.47 20 28 1600 0.25 25 1 mmbz5227bl, g 8b 3.42 3.6 3.78 20 24 1700 0.25 15 1 mmbz5228bl, g 8c 3.70 3.9 4.10 20 23 1900 0.25 10 1 mmbz5229bl, g 8d 4.08 4.3 4.52 20 22 2000 0.25 5 1 mmbz5230bl, g 8e 4.46 4.7 4.94 20 19 1900 0.25 5 2 mmbz5231bl, g 8f 4.84 5.1 5.36 20 17 1600 0.25 5 2 mmbz5232bl, g 8g 5.32 5.6 5.88 20 11 1600 0.25 5 3 mmbz5233bl 8h 5.70 6 6.30 20 7 1600 0.25 5 3.5 mmbz5234bl, g 8j 5.89 6.2 6.51 20 7 1000 0.25 5 4 mmbz5235bl, g 8k 6.46 6.8 7.14 20 5 750 0.25 3 5 mmbz5236bl, g 8l 7.12 7.5 7.88 20 6 500 0.25 3 6 mmbz5237bl, g 8m 7.79 8.2 8.61 20 8 500 0.25 3 6.5 mmbz5238bl, g 8n 8.26 8.7 9.14 20 8 600 0.25 3 6.5 mmbz5239bl, g 8p 8.64 9.1 9.56 20 10 600 0.25 3 7 mmbz5240bl, g 8q 9.50 10 10.50 20 17 600 0.25 3 8 mmbz5241bl 8r 10.4 11 11.55 20 22 600 0.25 2 8.4 mmbz5242bl, g 8s 11.40 12 12.60 20 30 600 0.25 1 9.1 mmbz5243bl, g 8t 12.35 13 13.65 9.5 13 600 0.25 0.5 9.9 mmbz5244bl, g 8u 13.30 14 14.70 9 15 600 0.25 0.1 10 mmbz5245bl, g 8v 14.25 15 15.75 8.5 16 600 0.25 0.1 11 mmbz5246bl, g 8w 15.20 16 16.80 7.8 17 600 0.25 0.1 12 mmbz5247bl 8x 16.15 17 17.85 7.4 19 600 0.25 0.1 13 mmbz5248bl,g 8y 17.10 18 18.90 7 21 600 0.25 0.1 14 mmbz5249bl, g 8z 18.05 19 19.95 6.6 23 600 0.25 0.1 14 mmbz5250bl,g 81a 19.00 20 21.00 6.2 25 600 0.25 0.1 15 mmbz5251bl, g 81b 20.90 22 23.10 5.6 29 600 0.25 0.1 17 mmbz5252bl, g 81c 22.80 24 25.20 5.2 33 600 0.25 0.1 18 mmbz5253bl, g 81d 23.75 25 26.25 5 35 600 0.25 0.1 19 mmbz5254bl, g 81e 25.65 27 28.35 4.6 41 600 0.25 0.1 21 mmbz5255bl, g 81f 26.60 28 29.40 4.5 44 600 0.25 0.1 21 mmbz5256bl, g 81g 28.50 30 31.50 4.2 49 600 0.25 0.1 23 mmbz5257bl, g 81h 31.35 33 34.65 3.8 58 700 0.25 0.1 25 mmbz5258bl, g 81j 34.20 36 37.80 3.4 70 700 0.25 0.1 27 mmbz5259bl, g 81k 37.05 39 40.95 3.2 80 800 0.25 0.1 30 mmbz5260bl, g 81l 40.85 43 45.15 3 93 900 0.25 0.1 33 mmbz5261bl, g 81m 44.65 47 49.35 2.7 105 1000 0.25 0.1 36 mmbz5262bl, g 81n 48.45 51 53.55 2.5 125 1100 0.25 0.1 39 mmbz5263bl, g 81p 53.20 56 58.80 2.2 150 1300 0.25 0.1 43 mmbz5264bl, g 81q 57.00 60 63.00 2.1 170 1400 0.25 0.1 46 mmbz5265bl, g 81r 58.90 62 65.10 2 185 1400 0.25 0.1 47 mmbz5266bl 81s 64.60 68 71.40 1.8 230 1600 0.25 0.1 52 mmbz5267bl, g 81t 71.25 75 78.75 1.7 270 1700 0.25 0.1 56 mmbz5268bl, g 81u 77.90 82 86.10 1.5 330 2000 0.25 0.1 62 mmbz5269bl 81v 82.65 87 91.35 1.4 370 2200 0.25 0.1 68 mmbz5270bl, 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 note: mmbz5233blt1, mmbz5246blt1, mmbz5251blt1, and mmbz5252blt1 not available in 10,000/tape & reel. 2the ago suffix indicates pb?free package available.
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 sot?23 (to?236) case 318?08 issue aj 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. *for additional information on our pb?free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint* mm inches scale 10:1 0.8 0.031 0.9 0.035 0.95 0.037 0.95 0.037 2.0 0.079 style 8: pin 1. anode 2. no connection 3. cathode 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 an y particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including wi thout 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 application s 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 indemnify and hold scillc and its officers, employees, subsidiaries, af filiates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, direct ly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws and is not for resale in any manner. publication ordering information n. american technical support : 800?282?9855 toll free usa/canada japan : on semiconductor, japan customer focus center 2?9?1 kamimeguro, meguro?ku, tokyo, japan 153?0051 phone : 81?3?5773?3850 mmbz5221blt1/d literature fulfillment : literature distribution center for on semiconductor p.o. box 61312, phoenix, arizona 85082?1312 usa phone : 480?829?7710 or 800?344?3860 toll free usa/canada fax : 480?829?7709 or 800?344?3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : http://onsemi.com order literature : http://www.onsemi.com/litorder for additional information, please contact your local sales representative.
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