? semiconductor components industries, llc, 2007 august, 2007 - rev. 0 1 publication order number: 3ez6.2d5/d 3ez6.2d5 series 3 watt do-41 surmetic 30 zener voltage regulators this is a complete series of 3 watt zener diodes with limits and excellent operating characteristics that reflect the superior capabilities of silicon-oxide passivated junctions. all this in an axial-lead, transfer-molded plastic package that offers protection in all common environmental conditions. specification features: ? zener voltage range - 6.2 v to 18 v ? esd rating of class 3 (>16 kv) per human body model ? surge rating of 98 w @ 1 ms ? maximum limits guaranteed on up to six electrical parameters ? package no larger than the conventional 1 watt package ? these are pb-free devices* mechanical characteristics: case: void free, transfer-molded, thermosetting plastic finish: all external surfaces are corrosion resistant and leads are readily solderable maximum lead temperature for soldering purposes: 260 c, 1/16 from the case for 10 seconds polarity: cathode indicated by polarity band mounting position: any maximum ratings rating symbol value unit max. steady state power dissipation @ t l = 75 c, lead length = 3/8 derate above 75 c p d 3 24 w mw/ c steady state power dissipation @ t a = 50 c derate above 50 c p d 1 6.67 w mw/ c operating and storage temperature range t j , t stg -65 to +200 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. *for additional information on our pb-free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. device package shipping ? ordering information 3EZXXD5G axial lead (pb-free) 2000 units / box 3ezxxd5rlg axial lead (pb-free) axial lead case 59 plastic 6000 / tape & reel cathode anode marking diagram http://onsemi.com a = assembly location 3ezxxd = device number yy = year ww = work week = pb-free package (note: microdot may be in either location) a 3ez xxd yyww ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specifications brochure, brd8011/d.
zener voltage regulator i f v i i r i zt v r v z v f 3ez6.2d5 series http://onsemi.com 2 electrical characteristics (t a = 25 c unless otherwise noted, v f = 1.5 v max @ i f = 200 ma for all types) 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 breakdown voltage i f forward current v f forward voltage @ i f i zm maximum dc zener current i r surge current @ t a = 25 c electrical characteristics (t a = 25 c unless otherwise noted, v f = 1.5 v max @ i f = 200 ma for all types) device ? (note 1) device marking zener voltage (note 2) zener impedance (note 3) leakage current i zm i r (note 4) v z (volts) @ i zt z zt @ i zt z zk @ i zk i r @ v r min nom max ma ma a max volts ma ma 3ez6.2d5rlg 3ez6.2d 5.89 6.2 6.51 121 1.5 700 1 5 3 435 3.1 3ez13d5g 3ez13d 12.35 13 13.65 58 4.5 700 0.25 0.5 9.9 208 1.54 3ez16d5rlg 3ez16d 15.2 16 16.8 47 5.5 700 0.25 0.5 12.2 169 1.25 3ez18d5rlg 3ez18d 17.1 18 18.9 42 6.0 750 0.25 0.5 13.7 150 1.11 1. tolerance and type number designation tolerance designation - device tolerance of 5% are indicated by a 5 suffix. 2. zener voltage (v z ) measurement on semiconductor guarantees the zener voltage when measured at 40 ms 10 ms, 3/8 from the diode body. and an ambient temperature of 25 c (+8 c, -2 c) 3. zener impedance (z z ) derivation the zener impedance is derived from 60 seconds ac voltage, which results when an ac current having an rms value equal to 10% of the dc zener current (i zt or i zk ) is superimposed on i zt or i zk . 4. surge current (i r ) non-repetitive the rating listed in the electrical characteristics table is maximum peak, non-repetitive, reverse surge current of 1/2 square wave or equivalent sine wave pulse of 1/120 second duration superimposed on the test current, i zt , per jedec standards. however, actual device capability is as described in figure 3 of the general data sheet for surmetic 30s. ?the g'' suffix indicates these are pb-free packages. figure 1. power temperature derating curve t l , lead temperature ( c) 0 20 40 60 200 80 100 120 140 160 180 0 1 2 3 4 5 l = 1/8 l = 3/8 l = 1 l = lead length to heat sink p d , steady state power dissipation (watts)
3ez6.2d5 series http://onsemi.com 3 t, time (seconds) 0.0001 0.0002 0.0005 0.001 0.002 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 0.3 0.5 0.7 1 2 3 5 7 10 20 30 d =0.5 0.2 0.1 0.05 0.01 d = 0 duty cycle, d =t 1 /t 2 jl (t, d) transient thermal resistance junction\to\lead ( c/w) p pk t 1 note: below 0.1 second, thermal response curve is applicable to any lead length (l). single pulse t jl = jl (t)p pk repetitive pulses t jl = jl (t,d)p pk t 2 0.02 10 20 30 50 100 200 300 500 1k 0.1 0.2 0.3 0.5 1 2 3 5 10 20 30 50 100 pw, pulse width (ms) p , peak surge power (watts) pk 1 2 5 10 20 50 100 200 400 1000 0.0003 0.0005 0.001 0.002 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 2 3 t a = 125 c t a = 125 c nominal v z (volts) as specified in elec. char. table figure 2. typical thermal response l, lead length = 3/8 inch figure 3. maximum surge power figure 4. typical reverse leakage i r , reverse leakage ( adc) @ v r rectangular nonrepetitive waveform t j =25 c prior to initial pulse application note since the actual voltage available from a given zener diode is temperature dependent, it is necessary to determine junction temperature under any set of operating conditions in order to calculate its value. the following procedure is recommended: lead temperature, t l , should be determined from: t l = la p d + t a la is the lead\to\ambient thermal resistance ( c/w) and p d is the power dissipation. the value for la will vary and depends on the device mounting method. la is generally 30-40 c/w for the various clips and tie points in common use and for printed circuit board wiring. the temperature of the lead can also be measured using a thermocouple placed on the lead as close as possible to the tie point. the thermal mass connected to the tie point is normally large enough so that it will not significantly respond to heat surges generated in the diode as a result of pulsed operation once steady\state conditions are achieved. using the measured value of t l , the junction temperature may be determined by: t j = t l + t jl t jl is the increase in junction temperature above the lead temperature and may be found from figure 2 for a train of power pulses (l = 3/8 inch) or from figure 10 for dc power. t jl = jl p d for worst\case design, using expected limits of i z , limits of p d and the extremes of t j ( t j ) may be estimated. changes in voltage, v z , can then be found from: v = vz t j vz , the zener voltage temperature coefficient, is found from figures 5 and 6. under h igh power\pulse operation, the zener voltage will vary with t ime and may also be affected significantly by the zener resistance. for best regulation, keep current excursions as low as possible. data of figure 2 should not be used to compute surge capability. surge limitations are given in figure 3. they are lower than would be expected by considering only junction temperature, as current crowding ef fects cause temperatures to be extremely high in small spots resulting in device degradation should the limits of figure 3 be exceeded.
3ez6.2d5 series http://onsemi.com 4 figure 5. units to 12 volts figure 6. units 10 to 400 volts figure 7. v z = 3.3 thru 10 volts figure 8. v z = 12 thru 82 volts figure 9. typical thermal resistance zener voltage versus zener current (figures 7, 8 and 9) temperature coefficient ranges (90% of the units are in the ranges indicated) v z , zener voltage @ i zt (volts) 34 5 6 789101112 10 8 6 4 2 0 -2 -4 range , temperature coefficient (mv/ c) @ i zt vz 1000 500 200 100 50 20 10 10 20 50 100 200 400 1000 v z , zener voltage @ i zt (volts) , temperature coefficient (mv/ c) @ i zt vz 01 234 56 7 8910 100 50 30 20 10 1 0.5 0.3 0.2 0.1 v z , zener voltage (volts) i , zener current (ma) z 2 5 3 0102030405060708090100 v z , zener voltage (volts) i , zener current (ma) z 100 50 30 20 10 1 0.5 0.3 0.2 0.1 2 5 3 0 10 20 30 40 50 60 70 80 l, lead length to heat sink (inch) primary path of conduction is through the cathode lead 0 1/8 1/4 3/8 1/2 5/8 3/4 7/8 1 t l jl , junction\to\lead thermal resistance l l ( c/w)
3ez6.2d5 series http://onsemi.com 5 package dimensions axial lead case 59-01 issue u b d k k f f a dim min max min max millimeters inches a 4.10 5.20 0.161 0.205 b 2.00 2.70 0.079 0.106 d 0.71 0.86 0.028 0.034 f --- 1.27 --- 0.050 k 25.40 --- 1.000 --- notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. all rules and notes associated with jedec do-41 outline shall apply 4. polarity denoted by cathode band. 5. lead diameter not controlled within f dimension. polarity indicator optional as needed (see styles) 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, 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 europe, middle east and africa technical support: ?phone: 421 33 790 2910 japan customer focus center ?phone: 81-3-5773-3850 3ez6.2d5/d surmetic is a trademark of semiconductor components industries, llc. literature fulfillment : ?literature distribution center for on semiconductor ?p.o. box 5163, denver, colorado 80217 usa ? phone : 303-675-2175 or 800-344-3860 toll free usa/canada ? fax : 303-675-2176 or 800-344-3867 toll free usa/canada ? email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your local sales representative
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