? semiconductor components industries, llc, 2006 march, 2006 ? rev. 6 1 publication order number: MMSZ5221ET1/d MMSZ5221ET1 series preferred device zener voltage regulators 500 mw sod?123 surface mount three complete series of zener diodes are offered in the convenient, surface mount plastic sod?123 package. these devices provide a convenient alternative to the leadless 34?package style. features ? 500 mw rating on fr?4 or fr?5 board ? wide zener reverse voltage range ? 2.4 v to 110 v ? package designed for optimal automated board assembly ? small package size for high density applications ? general purpose, medium current ? esd rating of class 3 (>16 kv) per human body model ? peak power ? 225 w (8 x 20 s) ? pb?free packages are available 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 peak power dissipation @ 20 s (note 1) @ t l 25 c p pk 225 w total power dissipation on fr?5 board, (note 3) @ t l = 75 c derated above 75 c p d 500 6.7 mw mw/ c thermal resistance, (note 2) junction?to?ambient r ja 340 c/w thermal resistance, (note 2) junction?to?lead r jl 150 c/w junction and storage temperature range t j , t stg ?55 to +150 c stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliability. 1. nonrepetitive current pulse per figure 11. 2. thermal resistance measurement obtained via infrared scan method. 3. fr?5 = 3.5 x 1.5 inches, using the minimum recommended footprint. sod?123 case 425 style 1 1 cathode 2 anode see specific marking information in the device marking column of the electrical characteristics table on page 2 o f this data sheet. device marking information 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 device package shipping ? ordering information mmsz52xxet1 sod?123 3000/tape & reel marking diagram mmsz52xxet3 sod?123 10000/tape & ree l ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our t ape and reel packaging specification s brochure, brd8011/d. mmsz52xxet1g sod?123 (pb?free) 3000/tape & reel mmsz52xxet3g sod?123 (pb?free) 10000/tape & ree l xxx = device code (refer to page 2) m = date code = pb?free package (note: microdot may be in either location) xxx m 1
MMSZ5221ET1 series http://onsemi.com 2 electrical characteristics (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 electrical characteristics (t a = 25 c unless otherwise noted, v f = 0.9 v max. @ i f = 10 ma) device* device marking zener voltage (notes 4 and 5) zener impedance (note 6) leakage current v z (v) @ i zt z zt @ i zt z zk @ i zk i r @ v r min nom max ma ma a v MMSZ5221ET1 ca1 2.28 2.4 2.52 20 30 1200 0.25 100 1 mmsz5223et1 ca3 2.57 2.7 2.84 20 30 1300 0.25 75 1 mmsz5226et1 ca6 3.14 3.3 3.47 20 28 1600 0.25 25 1 mmsz5228et1 ca8 3.71 3.9 4.10 20 23 1900 0.25 10 1 mmsz5229et1 ca9 4.09 4.3 4.52 20 22 2000 0.25 5 1 mmsz5231et1 cb2 4.85 5.1 5.36 20 17 1600 0.25 5 2 mmsz5232et1 cb3 5.32 5.6 5.88 20 11 1600 0.25 5 3 mmsz5234et1 cb5 5.89 6.2 6.51 20 7 1000 0.25 5 4 mmsz5235et1 cb6 6.46 6.8 7.14 20 5 750 0.25 3 5 mmsz5236et1 cb7 7.13 7.5 7.88 20 6 500 0.25 3 6 mmsz5237et1 cb8 7.79 8.2 8.61 20 8 500 0.25 3 6.5 mmsz5240et1 cc2 9.50 10 10.50 20 17 600 0.25 3 8 mmsz5242et1 cc4 11.40 12 12.60 20 30 600 0.25 1 9.1 mmsz5243et1 cc5 12.35 13 13.65 9.5 13 600 0.25 0.5 9.9 mmsz5244et1 cc6 13.30 14 14.70 9.0 15 600 0.25 0.1 10 mmsz5245et1 cc7 14.25 15 15.75 8.5 16 600 0.25 0.1 11 mmsz5246et1 cc8 15.20 16 16.80 7.8 17 600 0.25 0.1 12 mmsz5248et1 cd1 17.10 18 18.90 7.0 21 600 0.25 0.1 14 mmsz5250et1 cd3 19.00 20 21.00 6.2 25 600 0.25 0.1 15 mmsz5252et1 cd5 22.80 24 25.20 5.2 33 600 0.25 0.1 18 4. the type numbers shown have a standard tolerance of 5% on the nominal zener voltage. 5. nominal zener voltage is measured with the device junction in thermal equilibrium at t l = 30 c 1 c. 6. z zt and z zk are measured by dividing the ac voltage drop across the device by the ac current applied. the specified limits are for i z(ac) = 0.1 i z(dc) with the ac frequency = 1 khz. *the ?g?? suffix indicates pb?free package available. see ordering information table on page 1.
MMSZ5221ET1 series http://onsemi.com 3 electrical characteristics (t a = 25 c unless otherwise noted, v f = 0.9 v max. @ i f = 10 ma) device* leakage current zener impedance (note 6) zener voltage (notes 4 and 5) device marking device* i r @ v r z zk @ i zk z zt @ i zt @ i zt v z (v) device marking device* v a ma ma max nom min device marking mmsz5253et1 cd6 23.75 25 26.25 5.0 35 600 0.25 0.1 19 mmsz5254et1 cd7 25.65 27 28.35 4.6 41 600 0.25 0.1 21 mmsz5255et1 cd8 26.60 28 29.40 4.5 44 600 0.25 0.1 21 mmsz5256et1 cd9 28.50 30 31.50 4.2 49 600 0.25 0.1 23 mmsz5257et1 ce1 31.35 33 34.65 3.8 58 700 0.25 0.1 25 mmsz5258et1 ce2 34.20 36 37.80 3.4 70 700 0.25 0.1 27 mmsz5259et1 ce3 37.05 39 40.95 3.2 80 800 0.25 0.1 30 mmsz5262et1 ce6 48.45 51 53.55 2.5 125 1100 0.25 0.1 39 mmsz5263et1 ce7 53.20 56 58.80 2.2 150 1300 0.25 0.1 43 4. the type numbers shown have a standard tolerance of 5% on the nominal zener voltage. 5. nominal zener voltage is measured with the device junction in thermal equilibrium at t l = 30 c 1 c. 6. z zt and z zk are measured by dividing the ac voltage drop across the device by the ac current applied. the specified limits are for i z(ac) = 0.1 i z(dc) with the ac frequency = 1 khz. *the ?g?? suffix indicates pb?free package available. see ordering information table on page 1.
MMSZ5221ET1 series http://onsemi.com 4 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 mmsz5221bt1 series v z @ i zt 100 10 1 10 10 0 v z , nominal zener voltage (v) figure 2. temperature coefficients (temperature range ? 55 c to +150 c) v z @ i zt 1.2 1.0 0.8 0.6 0.4 0.2 0 150 125 100 75 50 25 0 t, temperature ( c) figure 3. steady state power derating p d versus t a p d versus t l 0.1 pw, pulse width (ms) figure 4. maximum nonrepetitive surge power 1 10 100 100 0 1000 100 10 1 rectangular waveform, t a = 25 c 100 v z , nominal zener voltage figure 5. 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 i z = 1 ma 5 ma 20 ma v f , forward voltage (v) figure 6. 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 (mmsz5267bt1) 91 v (mmsz5270bt1) 150 c 75 c 25 c 0 c typical t c values for mmsz5221bt1 series vz , temperature coefficient (mv/ c ) vz , temperature coefficient (mv/ c ) p pk , peak surge power (watts) z zt , dynamic impedance ( ) i f , forward current (ma) p d , power dissipation (watts)
MMSZ5221ET1 series http://onsemi.com 5 typical characteristics c, capacitance (pf) 100 v z , nominal zener voltage (v) figure 7. 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 v z , zener voltage (v) 100 10 1 0.1 0.01 10 30 50 70 90 t a = 25 c 9 0 v z , nominal zener voltage (v) figure 8. 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 9. zener voltage versus zener current (v z up to 12 v) figure 10. zener voltage versus zener current (12 v to 91 v) i r , leakage current ( a ) i z , zener current (ma) i z , zener current (ma) 100 figure 11. 8 20 s pulse waveform 90 80 70 60 50 40 30 20 10 0 020406080 t, time ( s) t p t r pulse width (t p ) is defined as that point where the peak current decay = 8 s half value i rsm /2 @ 20 s % of peak pulse current peak value i rsm @ 8 s
MMSZ5221ET1 series http://onsemi.com 6 package dimensions sod?123 case 425?04 issue e style 1: pin 1. cathode 2. anode 1.22 0.048 mm inches scale 10:1 soldering footprint* notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. aaaa aaaa aaaa e b d a l c 1 2 a1 dim min nom max millimeters inches a 0.94 1.17 1.35 0.037 a1 0.00 0.05 0.10 0.000 b 0.51 0.61 0.71 0.020 c 1.60 0.15 0.055 d 1.40 1.80 e 2.54 2.69 2.84 0.100 ??? 3.68 0.140 l 0.25 3.86 0.010 h e 0.046 0.002 0.024 0.063 0.106 0.145 0.053 0.004 0.028 0.071 0.112 0.152 min nom max 3.56 h e ??? ??? ??? 0.006 ??? ??? ??? ??? 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. ?typical? 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 ?typicals? 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 of ficers, employees, subsidiaries, affiliates, 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 MMSZ5221ET1/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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