1. product pro?le 1.1 general description low voltage regulator diodes in hermetically sealed small sod66 (do-41) glass packages. the series consists of 22 types with nominal working voltages from 3.3 to 24 v. 1.2 features 1.3 applications n low voltage stabilizers 1.4 quick reference data 2. pinning information [1] the marking band indicates the cathode. 1n4728a to 1n4749a voltage regulator diodes rev. 02 30 october 2009 product data sheet n total power dissipation: max. 1000 mw n tolerance series: 5% n working voltage range: nom. 3.3 v to 24 v n small hermetically sealed glass package table 1. quick reference data symbol parameter conditions min typ max unit v f forward voltage i f = 200 ma - - 1.2 v p tot total power dissipation - - 1000 mw table 2. pinning pin description simpli?ed outline graphic symbol 1 cathode [1] 2 anode a k 006aaa152 2 1
1n4728a_ser_2 ? nxp b.v. 2009. all rights reserved. product data sheet rev. 02 30 october 2009 2 of 10 nxp semiconductors 1n4728a to 1n4749a voltage regulator diodes 3. ordering information [1] the series consists of 22 types with nominal working voltages from 3.3 v to 24 v. 4. marking 5. limiting values table 3. ordering information type number package name description version 1n4728a to 1n4749a [1] - hermetically sealed glass package; axial leaded; 2 leads sod66 table 4. marking codes type number marking code 1n4728a to 1n4749a the diodes are type branded. table 5. limiting values in accordance with the absolute maximum rating system (iec 60134). symbol parameter conditions min max unit i f forward current - 500 ma i z working current - see t ab le 8 i zsm non-repetitive peak reverse current - see t ab le 8 p tot total power dissipation t amb =50 c - 1000 mw t j junction temperature - 65 +200 c t stg storage temperature - 65 +200 c
1n4728a_ser_2 ? nxp b.v. 2009. all rights reserved. product data sheet rev. 02 30 october 2009 3 of 10 nxp semiconductors 1n4728a to 1n4749a voltage regulator diodes 6. thermal characteristics 7. characteristics table 6. thermal characteristics symbol parameter conditions min typ max unit r th(j-t) thermal resistance from junction to tie-point lead length 4 mm - - 110 k/w fig 1. thermal resistance from junction to tie-point as a function of pulse duration; lead length 4 mm 006aab843 10 - 1 11010 2 10 3 10 4 10 5 1 10 10 2 10 3 r th(j-t) (k/w) t p (ms) 0.02 0.01 0 d = 1 0.75 0.50 0.33 0.20 0.10 0.05 table 7. characteristics t j =25 c unless otherwise speci?ed. symbol parameter conditions min typ max unit v f forward voltage i f = 200 ma - - 1.2 v
1n4728a_ser_2 ? nxp b.v. 2009. all rights reserved. product data sheet rev. 02 30 october 2009 4 of 10 nxp semiconductors 1n4728a to 1n4749a voltage regulator diodes [1] v z is measured with device at thermal equilibrium while held in clips at 10 mm from body in still air at 25 c. [2] half square wave or equivalent sine wave pulse 1/120 second duration superimposed on i test . table 8. characteristics per type t j =25 c unless otherwise speci?ed. type number working voltage v z (v) [1] test current i test (ma) differential resistance r dif ( w ) reverse current i r ( m a) working current i z (ma) non-repetitive peak reverse current i zsm (ma) [2] at i test at i test at i z i z (ma) nom max max max v r (v) max max 1n4728a 3.3 76 10 400 1 100 1 276 1380 1n4729a 3.6 69 10 400 1 100 1 252 1260 1n4730a 3.9 64 9 400 1 50 1 234 1190 1n4731a 4.3 58 9 400 1 10 1 217 1070 1n4732a 4.7 53 8 500 1 10 1 193 970 1n4733a 5.1 49 7 550 1 10 1 178 890 1n4734a 5.6 45 5 600 1 10 2 162 810 1n4735a 6.2 41 2 700 1 10 3 146 730 1n4736a 6.8 37 3.5 700 1 10 4 133 660 1n4737a 7.5 34 4 700 0.5 10 5 121 605 1n4738a 8.2 31 4.5 700 0.5 10 6 110 550 1n4739a 9.1 28 5 700 0.5 10 7 100 500 1n4740a 10 25 7 700 0.25 10 7.6 91 454 1n4741a 11 23 8 700 0.25 5 8.4 83 414 1n4742a 12 21 9 700 0.25 5 9.1 76 380 1n4743a 13 19 10 700 0.25 5 9.9 69 344 1n4744a 15 17 14 700 0.25 5 11.4 61 304 1n4745a 16 15.5 16 700 0.25 5 12.2 57 285 1n4746a 18 14 20 750 0.25 5 13.7 50 250 1N4747A 20 12.5 22 750 0.25 5 15.2 45 225 1n4748a 22 11.5 23 750 0.25 5 16.7 41 205 1n4749a 24 10.5 25 750 0.25 5 18.2 38 190
1n4728a_ser_2 ? nxp b.v. 2009. all rights reserved. product data sheet rev. 02 30 october 2009 5 of 10 nxp semiconductors 1n4728a to 1n4749a voltage regulator diodes (1) t j = 200 c (2) t j =25 c fig 2. forward current as a function of forward voltage; typical values mbg925 0 1.0 300 0 100 200 0.5 v f (v) i f (ma) (1) (2)
1n4728a_ser_2 ? nxp b.v. 2009. all rights reserved. product data sheet rev. 02 30 october 2009 6 of 10 nxp semiconductors 1n4728a to 1n4749a voltage regulator diodes 8. package outline fig 3. package outline sod66 (do-41) references outline version european projection issue date iec jedec jeita sod66 do-41 sod066_po 97-06-20 09-10-09 unit mm max nom min 0.81 2.6 25.4 b dimensions note 1. the marking band indicates the cathode. hermetically sealed glass package; axial leaded; 2 leads sod66 dg 1 4.8 l 0 2 4 mm scale g 1 l l b (1) k a d
1n4728a_ser_2 ? nxp b.v. 2009. all rights reserved. product data sheet rev. 02 30 october 2009 7 of 10 nxp semiconductors 1n4728a to 1n4749a voltage regulator diodes 9. packing information [1] for further information and the availability of packing methods, see section 11 . [2] the series consists of 22 types with nominal working voltages from 3.3 v to 24 v. table 9. packing methods the indicated -xxx are the last three digits of the 12nc ordering code. [1] type number package description packing quantity 10000 1n4728a to 1n4749a [2] sod66 52 mm tape ammopack, axial -133 52 mm reel pack, axial -113
1n4728a_ser_2 ? nxp b.v. 2009. all rights reserved. product data sheet rev. 02 30 october 2009 8 of 10 nxp semiconductors 1n4728a to 1n4749a voltage regulator diodes 10. revision history table 10. revision history document id release date data sheet status change notice supersedes 1n4728a_ser_2 20091030 product data sheet - 1n4728a_1 modi?cations: ? the format of this data sheet has been redesigned to comply with the new identity guidelines of nxp semiconductors. ? legal texts have been adapted to the new company name where appropriate. ? t ab le 5 limiting v alues : i zm rede?ned to i z working current ? t ab le 6 : r th(j-tp) rede?ned to r th(j-t) thermal resistance from junction to tie-point ? figure 1 : r th(j-tp) rede?ned to r th(j-t) thermal resistance from junction to tie-point ? t ab le 8 char acter istics per type : i ztest rede?ned to i test test current ? figure 3 p ac kage outline sod66 (do-41) : updated 1n4728a_1 19960426 product data sheet - -
1n4728a_ser_2 ? nxp b.v. 2009. all rights reserved. product data sheet rev. 02 30 october 2009 9 of 10 nxp semiconductors 1n4728a to 1n4749a voltage regulator diodes 11. legal information 11.1 data sheet status [1] please consult the most recently issued document before initiating or completing a design. [2] the term short data sheet is explained in section de?nitions. [3] the product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple dev ices. the latest product status information is available on the internet at url http://www .nxp .com . 11.2 de?nitions draft the document is a draft version only. the content is still under internal review and subject to formal approval, which may result in modi?cations or additions. nxp semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information. short data sheet a short data sheet is an extract from a full data sheet with the same product type number(s) and title. a short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. for detailed and full information see the relevant full data sheet, which is available on request via the local nxp semiconductors sales of?ce. in case of any inconsistency or con?ict with the short data sheet, the full data sheet shall prevail. 11.3 disclaimers general information in this document is believed to be accurate and reliable. however, nxp semiconductors does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. right to make changes nxp semiconductors reserves the right to make changes to information published in this document, including without limitation speci?cations and product descriptions, at any time and without notice. this document supersedes and replaces all information supplied prior to the publication hereof. suitability for use nxp semiconductors products are not designed, authorized or warranted to be suitable for use in medical, military, aircraft, space or life support equipment, nor in applications where failure or malfunction of an nxp semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental damage. nxp semiconductors accepts no liability for inclusion and/or use of nxp semiconductors products in such equipment or applications and therefore such inclusion and/or use is at the customers own risk. applications applications that are described herein for any of these products are for illustrative purposes only. nxp semiconductors makes no representation or warranty that such applications will be suitable for the speci?ed use without further testing or modi?cation. limiting values stress above one or more limiting values (as de?ned in the absolute maximum ratings system of iec 60134) may cause permanent damage to the device. limiting values are stress ratings only and operation of the device at these or any other conditions above those given in the characteristics sections of this document is not implied. exposure to limiting values for extended periods may affect device reliability. terms and conditions of sale nxp semiconductors products are sold subject to the general terms and conditions of commercial sale, as published at http://www .nxp .com/pro? le/ter ms , including those pertaining to warranty, intellectual property rights infringement and limitation of liability, unless explicitly otherwise agreed to in writing by nxp semiconductors. in case of any inconsistency or con?ict between information in this document and such terms and conditions, the latter will prevail. no offer to sell or license nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights. export control this document as well as the item(s) described herein may be subject to export control regulations. export might require a prior authorization from national authorities. quick reference data the quick reference data is an extract of the product data given in the limiting values and characteristics sections of this document, and as such is not complete, exhaustive or legally binding. 11.4 trademarks notice: all referenced brands, product names, service names and trademarks are the property of their respective owners. 12. contact information for more information, please visit: http://www .nxp.com for sales of?ce addresses, please send an email to: salesad dresses@nxp.com document status [1] [2] product status [3] de?nition objective [short] data sheet development this document contains data from the objective speci?cation for product development. preliminary [short] data sheet quali?cation this document contains data from the preliminary speci?cation. product [short] data sheet production this document contains the product speci?cation.
nxp semiconductors 1n4728a to 1n4749a voltage regulator diodes ? nxp b.v. 2009. all rights reserved. for more information, please visit: http://www.nxp.com for sales office addresses, please send an email to: salesaddresses@nxp.com date of release: 30 october 2009 document identifier: 1n4728a_ser_2 please be aware that important notices concerning this document and the product(s) described herein, have been included in section legal information. 13. contents 1 product pro?le . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 general description. . . . . . . . . . . . . . . . . . . . . . 1 1.2 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.3 applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.4 quick reference data. . . . . . . . . . . . . . . . . . . . . 1 2 pinning information . . . . . . . . . . . . . . . . . . . . . . 1 3 ordering information . . . . . . . . . . . . . . . . . . . . . 2 4 marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5 limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 2 6 thermal characteristics. . . . . . . . . . . . . . . . . . . 3 7 characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 3 8 package outline . . . . . . . . . . . . . . . . . . . . . . . . . 6 9 packing information. . . . . . . . . . . . . . . . . . . . . . 7 10 revision history . . . . . . . . . . . . . . . . . . . . . . . . . 8 11 legal information. . . . . . . . . . . . . . . . . . . . . . . . 9 11.1 data sheet status . . . . . . . . . . . . . . . . . . . . . . . 9 11.2 de?nitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 11.3 disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 11.4 trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 12 contact information. . . . . . . . . . . . . . . . . . . . . . 9 13 contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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