Important notice Dear Customer, On 7 February 2017 the former NXP Standard Product business became a new company with the tradename Nexperia. Nexperia is an industry leading supplier of Discrete, Logic and PowerMOS semiconductors with its focus on the automotive, industrial, computing, consumer and wearable application markets In data sheets and application notes which still contain NXP or Philips Semiconductors references, use the references to Nexperia, as shown below. Instead of http://www.nxp.com, http://www.philips.com/ or http://www.semiconductors.philips.com/, use http://www.nexperia.com Instead of sales.addresses@www.nxp.com or sales.addresses@www.semiconductors.philips.com, use salesaddresses@nexperia.com (email) Replace the copyright notice at the bottom of each page or elsewhere in the document, depending on the version, as shown below: - © NXP N.V. (year). All rights reserved or © Koninklijke Philips Electronics N.V. (year). All rights reserved Should be replaced with: - © Nexperia B.V. (year). All rights reserved. If you have any questions related to the data sheet, please contact our nearest sales office via e-mail or telephone (details via salesaddresses@nexperia.com). Thank you for your cooperation and understanding, Kind regards, Team Nexperia

1N4728A to 1N4749A Voltage regulator diodes Rev. 02 — 30 October 2009 Product data sheet 1. Product profile 1.1 General description Low voltage regulator diodes in hermetically sealed small SOD66(DO-41) glass packages. The series consists of 22types with nominal working voltages from 3.3to24V. 1.2 Features n Total power dissipation: n Tolerance series:– 5% max.£ 1000mW n Working voltage range: n Small hermetically sealed glass nom.3.3Vto24V package 1.3 Applications n Low voltage stabilizers 1.4 Quick reference data Table 1. Quick reference data Symbol Parameter Conditions Min Typ Max Unit V forward voltage I =200mA - - 1.2 V F F P total power dissipation - - 1000 mW tot 2. Pinning information Table 2. Pinning Pin Description Simplified outline Graphic symbol 1 cathode [1] k a 2 anode 1 2 006aaa152 [1] The marking band indicates the cathode.

1N4728A to 1N4749A NXP Semiconductors Voltage regulator diodes 3. Ordering information Table 3. Ordering information Type number Package Name Description Version 1N4728A to - hermetically sealed glass package; axial leaded; SOD66 1N4749A[1] 2leads [1] The series consists of 22types with nominal working voltages from 3.3V to24V. 4. Marking Table 4. Marking codes Type number Marking code 1N4728A to 1N4749A The diodes are type branded. 5. Limiting values Table 5. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter Conditions Min Max Unit I forward current - 500 mA F I working current - see Z Table8 I non-repetitive peak reverse - see ZSM current Table8 P total power dissipation T =50(cid:176) C - 1000 mW tot amb T junction temperature - 65 +200 (cid:176) C j T storage temperature - 65 +200 (cid:176) C stg 1N4728A_SER_2 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 02 — 30 October 2009 2 of 10

1N4728A to 1N4749A NXP Semiconductors Voltage regulator diodes 6. Thermal characteristics Table 6. Thermal characteristics Symbol Parameter Conditions Min Typ Max Unit R thermal resistance from lead length4mm - - 110 K/W th(j-t) junction to tie-point 103 006aab843 Rth(j-t) (K/W) d = 1 102 0.75 0.50 0.33 0.20 0.10 0.05 10 0.02 0.01 0 1 10- 1 1 10 102 103 104 tp (ms) 105 Fig 1. Thermal resistance from junction to tie-point as a function of pulse duration; leadlength 4mm 7. Characteristics Table 7. Characteristics T=25(cid:176) C unless otherwise specified. j Symbol Parameter Conditions Min Typ Max Unit V forward voltage I =200mA - - 1.2 V F F 1N4728A_SER_2 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 02 — 30 October 2009 3 of 10

1N4728A to 1N4749A NXP Semiconductors Voltage regulator diodes Table 8. Characteristics per type T=25(cid:176) C unless otherwise specified. j Type Working Test Differential Reverse current Working Non-repetitive number voltage current resistance I (m A) current peak reverse R VZ(V)[1] Itest rdif(W ) IZ(mA) current (mA) I (mA)[2] at I at I at I I (mA) ZSM test test Z Z Nom Max Max Max V (V) Max Max R 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 [1] V is measured with device at thermal equilibrium while held in clips at 10mm from body in still air at 25(cid:176) C. Z [2] Half square wave or equivalent sine wave pulse 1/120 second duration superimposed on I . test 1N4728A_SER_2 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 02 — 30 October 2009 4 of 10

1N4728A to 1N4749A NXP Semiconductors Voltage regulator diodes mbg925 300 IF (mA) 200 (1) (2) 100 0 0 0.5 VF (V) 1.0 (1) T =200(cid:176) C j (2) T =25(cid:176) C j Fig 2. Forward current as a function of forward voltage; typical values 1N4728A_SER_2 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 02 — 30 October 2009 5 of 10

1N4728A to 1N4749A NXP Semiconductors Voltage regulator diodes 8. Package outline Hermetically sealed glass package; axial leaded; 2 leads SOD66 (1) k a b D L G1 L Dimensions Unit b D G1 L max 0.81 2.6 4.8 0 2 4 mm mm nom min 25.4 scale Note 1. The marking band indicates the cathode. sod066_po Outline References European Issue date version IEC JEDEC JEITA projection 97-06-20 SOD66 DO-41 09-10-09 Fig 3. Package outline SOD66(DO-41) 1N4728A_SER_2 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 02 — 30 October 2009 6 of 10

1N4728A to 1N4749A NXP Semiconductors Voltage regulator diodes 9. Packing information 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 SOD66 52mm tape ammopack, axial -133 1N4749A[2] 52mm reel pack, axial -113 [1] For further information and the availability of packing methods, seeSection11. [2] The series consists of 22types with nominal working voltages from 3.3V to24V. 1N4728A_SER_2 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 02 — 30 October 2009 7 of 10

1N4728A to 1N4749A NXP Semiconductors 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 Modifications: • 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. • Table 5 “Limiting values”: I redefined to I working current ZM Z • Table6: R redefined to R thermal resistance from junction to tie-point th(j-tp) th(j-t) • Figure1: R redefined to R thermal resistance from junction to tie-point th(j-tp) th(j-t) • Table 8 “Characteristics per type”: I redefined to I test current Ztest test • Figure 3 “Package 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 8 of 10

1N4728A to 1N4749A NXP Semiconductors Voltage regulator diodes 11. Legal information 11.1 Data sheet status Document status[1][2] Product status[3] Definition Objective [short] data sheet Development This document contains data from the objective specification for product development. Preliminary [short] data sheet Qualification This document contains data from the preliminary specification. Product [short] data sheet Production This document contains the product specification. [1] Please consult the most recently issued document before initiating or completing a design. [2] The term ‘short data sheet’ is explained in section “Definitions”. [3] Theproductstatusofdevice(s)describedinthisdocumentmayhavechangedsincethisdocumentwaspublishedandmaydifferincaseofmultipledevices.Thelatestproductstatus information is available on the Internet at URLhttp://www.nxp.com. 11.2 Definitions 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 customer’s own risk. Draft —The document is a draft version only. The content is still under internal review and subject to formal approval, which may result in Applications —Applications that are described herein for any of these modifications or additions. NXP Semiconductors does not give any products are for illustrative purposes only. NXP Semiconductors makes no representations or warranties as to the accuracy or completeness of representation or warranty that such applications will be suitable for the informationincludedhereinandshallhavenoliabilityfortheconsequencesof specified use without further testing or modification. use of such information. Limiting values —Stress above one or more limiting values (as defined in Short data sheet —A short data sheet is an extract from a full data sheet theAbsoluteMaximumRatingsSystemofIEC60134)maycausepermanent withthesameproducttypenumber(s)andtitle.Ashortdatasheetisintended damagetothedevice.Limitingvaluesarestressratingsonlyandoperationof forquickreferenceonlyandshouldnotbereliedupontocontaindetailedand the device at these or any other conditions above those given in the full information. For detailed and full information see the relevant full data Characteristics sections of this document is not implied. Exposure to limiting sheet, which is available on request via the local NXP Semiconductors sales values for extended periods may affect device reliability. office. In case of any inconsistency or conflict with the short data sheet, the Terms and conditions of sale —NXP Semiconductors products are sold full data sheet shall prevail. subjecttothegeneraltermsandconditionsofcommercialsale,aspublished athttp://www.nxp.com/profile/terms, including those pertaining to warranty, 11.3 Disclaimers intellectual property rights infringement and limitation of liability, unless explicitly otherwise agreed to in writing by NXP Semiconductors. In case of any inconsistency or conflict between information in this document and such General —Information in this document is believed to be accurate and terms and conditions, the latter will prevail. reliable.However,NXPSemiconductorsdoesnotgiveanyrepresentationsor No offer to sell or license —Nothing in this document may be interpreted warranties,expressedorimplied,astotheaccuracyorcompletenessofsuch or construed as an offer to sell products that is open for acceptance or the information and shall have no liability for the consequences of use of such grant,conveyanceorimplicationofanylicenseunderanycopyrights,patents information. or other industrial or intellectual property rights. Right to make changes —NXPSemiconductorsreservestherighttomake Export control —This document as well as the item(s) described herein changes to information published in this document, including without may be subject to export control regulations. Export might require a prior limitation specifications and product descriptions, at any time and without authorization from national authorities. notice.Thisdocumentsupersedesandreplacesallinformationsuppliedprior to the publication hereof. Quick reference data —The Quick reference data is an extract of the product data given in the Limiting values and Characteristics sections of this Suitability for use —NXP Semiconductors products are not designed, document, and as such is not complete, exhaustive or legally binding. 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 11.4 Trademarks to result in personal injury, death or severe property or environmental Notice:Allreferencedbrands,productnames,servicenamesandtrademarks are the property of their respective owners. 12. Contact information For more information, please visit:http://www.nxp.com For sales office addresses, please send an email to:salesaddresses@nxp.com 1N4728A_SER_2 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 02 — 30 October 2009 9 of 10

1N4728A to 1N4749A NXP Semiconductors Voltage regulator diodes 13. Contents 1 Product profile. . . . . . . . . . . . . . . . . . . . . . . . . . 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 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 11.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 11.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 12 Contact information. . . . . . . . . . . . . . . . . . . . . . 9 13 Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Pleasebeawarethatimportantnoticesconcerningthisdocumentandtheproduct(s) described herein, have been included in section ‘Legal information’. © 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