产品品牌：长电 产品型号：1N4148W 材料：砷 1N4148W,1N4148WSSMALLSIGNALDIODESFEATURES¨SiliconEpitaxialPlanarDiode¨Fastswitchingdiodes.¨Thisdiodeisalsoavailableinothercasestylesincluding:theDO-35casewiththetypedesignation1N4148,theMini-MELFcasewiththetypedesignationLL4148,andtheSOT-23casewiththetypedesignationIMBD4148.MECHANICALDATA1N4148WCase:SOD-123PlasticCaseWeight:approx.0.01gMarkingCode:A21N4148WSCase:SOD-323PlasticCaseWeight:approx.0.004gMarkingCode:A2MAXIMUMRATINGSRatingsat25 Cambienttemperatureunlessotherwisespecified.SYMBOLVALUEUNITReverseVoltageVR75VoltsPeakReverseVoltageVRM100VoltsRectifiedCurrent(Average)HalfWaveRectificationwithResist.LoadIo150(1)mAatTamb=25 Candf 50HZSurgeForwardCurrentatt 1sandTj=25 C1N4148WIFSM500mA1N4148WS350mAPowerDissipationatTamb=25 C1N4148WPtot400(1)mW1N4148WS200(1)mWJunctionTemperatureTj150 CStorageTemperatureRangeTS 65to 150 CNOTES:(1)Validprovidedthatelectrodesarekeptatambienttemperature12/22/98.022(0.55)max..004(0.1).112(2.85).152(3.85).067(1.70)max..053(1.35)min..010(0.25)CathodeMar006(0.15)TopView140(3.55).100(2.55).055(1.40) 006(0.15)min..010(0.25)012(0.3)076(1.95)112(2.85)059(1.5)049(1.25)CathodeMarkTopView100(2.55)65(043(1.1)SOD-123(1N4148W)SOD-323(1N4148WS)Dimensionsininchesand(millimeters)