DeviceVZ (V)ZZ(Ω)IZT (mA)ZZK(Ω)IZK(mA)VR(V)IR(µA)ISURGE(mA)IZM(mA)1N4728A1N4729A1N4730A1N4731A3.33.63.94.310109.09.0766964584004004004001.01.01.01.01.01.01.01.010010050101,3801,2601,1901,0702762522342171N4732A1N4733A1N4734A1N4735A4.75.15.66.28.07.05.02.0534945415005506007001.01.01.01.01.01.02.03.0101010109708908107301931781621461N4736A1N4737A1N4738A1N4739A6.87.58.29.13.54.04.55.0373431287007007007001.00.50.50.54.05.06.07.0101010106606055505001331211101001N4740A1N4741A1N4742A1N4743A1N4744A10111213157.08.09.0101425232119177007007007007000.250.250.250.250.257.68.49.19.911.4105.05.05.05.045441438034430491837669611N4745A1N4746A1N4747A1N4748A161820221620222315.51412.511.57007507507500.250.250.250.2512.213.715.216.75.05.05.05.0285250225205575045411N4749A1N4750A1N4751A1N4752A242730332535404510.59.58.57.57507501,0001,0000.250.250.250.2518.220.622.825.15.05.05.05.019017015013538343027VF Foward Voltage = 1.2 V Maximum @ IF = 200 mA for all 1N4700 series1N4728A - 1N4752A Series One Watt ZenersAbsolute Maximum Ratings* TA = 25°C unless otherwise notedTolerance: A = 5%Electrical Characteristics TA = 25°C unless otherwise noted@@@NOTES:1) These ratings are based on a maximum junction temperature of 200 degrees C.2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.*These ratings are limiting values above which the serviceability of the diode may be impaired.**Non-recurrent square wave PW= 8.3 ms, TA= 55 degrees C.Parameter Value UnitsStorage Temperature Range -65 to +200°CMaximum Junction Operating Temperature + 200°CLead Temperature (1/16” from case for 10 seconds) + 230°CTotal Device DissipationDerate above 50°C1.06.67WmW/°CThermal resistance Junction to Lead 53.5°C/WThermal resistance Junction to Ambient 100°C/WSurge Power** 10 W1N4728A - 1N4752A SeriesDO-411997 Fairchild Semiconductor Corporation1N4700A Rev. BTRADEMARKSACEx™CoolFET™CROSSVOLT™E2CMOSTMFACT™FACT Quiet Series™FAST®FASTr™GTO™HiSeC™The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and isnot intended to be an exhaustive list of all such trademarks.LIFE SUPPORT POLICYFAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORTDEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.As used herein:ISOPLANAR™MICROWIRE™POP™PowerTrench™QS™Quiet Series™SuperSOT™-3SuperSOT™-6SuperSOT™-8TinyLogic™1. Life support devices or systems are devices orsystems which, (a) are intended for surgical implant intothe body, or (b) support or sustain life, or (c) whosefailure to perform when properly used in accordancewith instructions for use provided in the labeling, can bereasonably expected to result in significant injury to theuser.2. A critical component is any component of a lifesupport device or system whose failure to perform canbe reasonably expected to cause the failure of the lifesupport device or system, or to affect its safety oreffectiveness.PRODUCT STATUS DEFINITIONSDefinition of TermsDatasheet Identification Product Status DefinitionAdvance InformationPreliminaryNo Identification NeededObsoleteThis datasheet contains the design specifications forproduct development. Specifications may change inany manner without notice.This datasheet contains preliminary data, andsupplementary data will be published at a later date.Fairchild Semiconductor reserves the right to makechanges at any time without notice in order to improvedesign.This datasheet contains final specifications. FairchildSemiconductor reserves the right to make changes atany time without notice in order to improve design.This datasheet contains specifications on a productthat has been discontinued by Fairchild semiconductor.The datasheet is printed for reference information only.Formative orIn DesignFirst ProductionFull ProductionNot In ProductionDISCLAIMERFAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHERNOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILDDOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCTOR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENTRIGHTS, NOR THE RIGHTS OF
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