31DQ03 SMCDIODE | Alldatasheet

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Circuit Diagram Applications Maximum Ratings: Electrical Characteristics:  Switching power supply  Converters  Free-Wheeling diodes  Reverse battery protection  Low profile, axial leaded outline  High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance  Very Low forward voltage drop  High frequency operation  Guard ring for enhanced ruggedness and long term reliability  This is a Pb − Free Device  All SMC parts are traceable to the wafer lot  Additional testing can be offered upon request DO-201AD

Data Sheet N2279, Rev. -  China - Germany - Korea - Singapore - UnitedStates  http://www.smc-diodes.com - sales@smc-diodes.com 31DQ03 Fig.2-Typical Reverse Characteristics Fig.1-Typical Junction Capacitance TJ=125℃ TJ=25℃ TJ=25℃ TJ=75℃TJ=100℃ Characteristics Symbol Condition Specification Units JunctionTemperature TJ - -40to+150 C StorageTemperature Tstg - -40to+150 C TypicalThermalResistanceJunctionto Ambient RJA - 80 C/W TypicalThermalResistanceJunctionto Lead RJL - 34 C/W ApproximateWeight wt - 1.02 g Thermal-Mechanical Specifications: Ratings and Characteristics Curves Fig.3-Typical Instantaneous Forward Voltage Characteristics TJ=125℃ TJ=25℃ TJ=75℃ TJ=100℃

Data Sheet N2279, Rev. -  China - Germany - Korea - Singapore - UnitedStates  http://www.smc-diodes.com - sales@smc-diodes.com 31DQ03 Forinformationontapeandreelspecifications,includingpart orientationandtapesizes,pleaserefertoourtapeandreel packagingspecification. Mechanical Dimensions DO-201AD SYMBOL Millimeters Inches Min. Max. Min. Max. A 25.4 - 1.000 - B 8.50 9.50 0.335 0.374 C 1.2 1.3 0.048 0.052 D 5.0 5.6 0.197 0.220 Ordering Information Marking Diagram Device Package Shipping 31DQ03 DO-201AD (Pb-Free) 1250pcs/tape Carrier Tape Specification DO-201AD SYMBOL Millimeters Min. Max. A 9.50 10.50 B 50.9 53.9 Z - 1.20 T 5.60 6.40 E - 0.80 IL1-L2I - 1.0 WhereXXXXX is YYWWL 31DQ03 = Part Name SSG = SSG YY =Year WW =Week L =Lot Number Cautions：Molding resin Epoxy resinUL:94V-0

Data Sheet N2279, Rev. -  China - Germany - Korea - Singapore - UnitedStates  http://www.smc-diodes.com - sales@smc-diodes.com 31DQ03 DISCLAIMER: 1-Theinformationgivenherein,includingthespecificationsanddimensions,issubjecttochangewithoutpriornoticetoimproveproduct characteristics.Beforeordering,purchasersareadvisedtocontacttheSMCDiodeSolutionssalesdepartmentforthelatestversionof thedatasheet(s). 2-Incaseswhereextremelyhighreliabilityisrequired(suchasuseinnuclearpowercontrol,aerospaceandaviation,trafficequipment, medicalequipment,andsafetyequipment),safetyshouldbeensuredbyusingsemiconductordevicesthatfeatureassuredsafetyorby meansofusers’fail-safeprecautionsorotherarrangement. 3-InnoeventshallSMCDiodeSolutionsbeliableforanydamagesthatmayresultfromanaccidentoranyothercauseduring operationoftheuser’sunitsaccordingtothedatasheet(s).SMCDiodeSolutionassumesnoresponsibilityforanyintellectualproperty claimsoranyotherproblemsthatmayresultfromapplicationsofinformation,productsorcircuitsdescribedinthedatasheets. 4-InnoeventshallSMCDiodeSolutionsbeliableforanyfailureinasemiconductordeviceoranysecondarydamageresultingfromuse atavalueexceedingtheabsolutemaximumrating. 5-Nolicenseisgrantedbythedatasheet(s)underanypatentsorotherrightsofanythirdpartyorSMCDiodeSolutions. 6-Thedatasheet(s)maynotbereproducedorduplicated,inanyform,inwholeorpart,withouttheexpressedwrittenpermissionofSMC DiodeSolutions. 7-Theproducts(technologies)describedinthedatasheet(s)arenottobeprovidedtoanypartywhosepurposeintheirapplicationwill hindermaintenanceofinternationalpeaceandsafetynoraretheytobeappliedtothatpurposebytheirdirectpurchasersoranythird party.Whenexportingtheseproducts(technologies),thenecessaryproceduresaretobetakeninaccordancewithrelatedlawsand regulations.