181NQ SMCDIODE | Alldatasheet

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Circuit Diagram Applications Maximum Ratings(limiting values, at 25 °C unless otherwise specified)  175℃ TJ operation  Unique high power, Half-Pak module  Replaces three parallel DO-5’S  Easier to mount and lower profile than DO-5’S  High purity, high temperature epoxy encapsulation for enhanced  mechanical strength and moisture resistance  Low forward voltage drop  High frequency operation  Guard ring for enhanced ruggedness and long term reliability  Base plate: Nickel plated; Terminals: Nickel plated  This is a Pb − Free Device  All SMC parts are traceable to the wafer lot  Additional testing can be offered upon request PRM1-1(HALF PAK Module)  Switching power supply  Converters  Free-Wheeling diodes  Reverse battery protection

Data Sheet N1172, Rev. B  China - Germany - Korea - Singapore - UnitedStates  http://www.smc-diodes.com - sales@smc-diodes.com 181NQ.../R-1 Characteristics Symbol Condition Typ. Max. Units ForwardVoltageDrop* VF1 @180A,Pulse,TJ =25C @360A,Pulse,TJ =25C 0.65 0.81 0.70 0.85 V VF2 @180A,Pulse,TJ =125C @360A,Pulse,TJ =125C 0.60 0.71 0.65 0.75 V ReverseCurrent* IR1 @VR =ratedVR TJ =25C 0.05 15 mA IR2 @VR =ratedVR TJ =125C 15 135 mA JunctionCapacitance CT @VR =5V,TC =25C fSIG =1MHz 6500 7800 pF VoltageRateofChange dv/dt - - 10,000 V/s * Pulsewidth<300µs, dutycycle<2% Characteristics Symbol Condition Specification Units JunctionTemperature TJ - -55to+175 C StorageTemperature Tstg - -55to+175 C TypicalThermalResistance JunctiontoCase RJC DCoperation 0.25 C/W TypicalThermalResistance,case toHeatSink Rcs Mountingsurface,smoothand greased 0.07 C/W MountingTorque TM Non-lubricatedthreads Mounting Torque 23(min) 29(max) Kg-cmTerminal Torque 35(min) 46(max) ApproximateWeight wt - 36 g CaseStyle PRM1-1 Electrical Characteristics: Thermal-Mechanical Specifications:

Data Sheet N1172, Rev. B  China - Germany - Korea - Singapore - UnitedStates  http://www.smc-diodes.com - sales@smc-diodes.com 181NQ.../R-1 Ratings and Characteristics Curves Ordering Information Marking Diagram Device Package Shipping 181NQSERIES PRM1-1(Pb-Free) 27pcs/box WhereXXXX isYYWW 1st row SSYYWW 2ndrow 181NQ035-1 SS =SS YY =Year WW =Week Cautions：Molding resin Epoxy resinUL:94V-0

Data Sheet N1172, Rev. B  China - Germany - Korea - Singapore - UnitedStates  http://www.smc-diodes.com - sales@smc-diodes.com 181NQ.../R-1 Mechanical Dimensions PRM1-1 (Inches/Millimeters) SYMBOL Millimeters Inches Min. Max. Min. Max. A 29.35 30.95 1.155 1.219 B 24.77 26.04 0.975 1.026 C 1.79 2.19 0.070 0.087 D 3.73 4.24 0.146 0.167 E 3.73 4.24 0.146 0.167 F 18.42 19.69 0.725 0.775 G 18.55 19.55 0.730 0.770 H 13.59 14.47 0.535 70.500 I 3.05 3.90 0.120 0.154 J 14.87 15.87 0.585 0.625 K 38.61 39.62 1.520 1.560

Data Sheet N1172, Rev. B  China - Germany - Korea - Singapore - UnitedStates  http://www.smc-diodes.com - sales@smc-diodes.com 181NQ.../R-1 DISCLAIMER: 1-Theinformationgivenherein,includingthespecificationsanddimensions,issubjecttochangewithoutpriornoticetoimproveproduct characteristics.Beforeordering,purchasersareadvisedtocontacttheSMCDiodeSolutionssalesdepartmentforthelatestversionofthe datasheet(s). 2-Incaseswhereextremelyhighreliabilityisrequired(suchasuseinnuclearpowercontrol,aerospaceandaviation,trafficequipment, medicalequipment,andsafetyequipment),safetyshouldbeensuredbyusingsemiconductordevicesthatfeatureassuredsafetyorby meansofusers’fail-safeprecautionsorotherarrangement. 3-InnoeventshallSMCDiodeSolutionsbeliableforanydamagesthatmayresultfromanaccidentoranyothercauseduring operationof theuser’sunitsaccordingtothedatasheet(s).SMCDiodeSolutionassumesnoresponsibilityforanyintellectualpropertyclaimsoranyother problemsthatmayresultfromapplicationsofinformation,productsorcircuitsdescribedinthedatasheets. 4-InnoeventshallSMCDiodeSolutionsbeliableforanyfailureinasemiconductordeviceoranysecondarydamageresultingfromuseata valueexceedingtheabsolutemaximumrating. 5-Nolicenseisgrantedbythedatasheet(s)underanypatentsorotherrightsofanythirdpartyorSMCDiodeSolutions. 6-Thedatasheet(s)maynotbereproducedorduplicated,inanyform,inwholeorpart,withouttheexpressedwrittenpermissionofSMC DiodeSolutions. 7-Theproducts(technologies)describedinthedatasheet(s)arenottobeprovidedtoanypartywhosepurposeintheirapplicationwillhinder maintenanceofinternationalpeaceandsafetynoraretheytobeappliedtothatpurposebytheirdirectpurchasersoranythirdparty.When exportingtheseproducts(technologies),thenecessaryproceduresaretobetakeninaccordancewithrelatedlawsandregulations..