供应smd贴片玻封热敏电阻器

1、copethisspecificationdealswithshape,dimensions,characteristics,inspectionstandardetc.本说明包括产品外形尺寸、性能及出厂检验标准，产品型号、规格。2、specificationsmg-632-4300-2ntcthermistorresistancevaluebvalue6.282k&omega；±；2%4300±；1%b100/2003、shapeanddimension外形尺寸(unit：mm)4、electricalcharacteristics电性能item项目symbol符号testcondition测试条件min.最小值nor.正常值min.最大值unit单位aresistanceat25°；c25°；c电阻值r2525±；0.05°；c6.1566.2826.407k&omega；bbvalueb值b100/200b=425743004343kcinsulationresistance绝缘电阻/500vdc100//m&omega；dthermaltimeconstant热时间常数&tau；instillair静止空气中//8~12secethermaldissipationconstant热耗散系数&delta；instillair静止空气中1.4//mw/°；cfoperatingtemperaturerange使用温度范围//-50/300°；c5、reliability可靠性item项目specification技术说明methodofexamination测试条件及方法5.1hightemp.storage高温存放*&delta；r25/r25&le；±；2%afterstoreageat250°；cfor1000hrs250°；c环境中放置1000小时5.2lowtemp.storage低温存放afterstoreageat-40°；cfor1000hrs-40°；c环境中放置1000小时5.3hightemperatureandhumidity耐湿热afterstoreageat60°；c95%rhfor1000hrs60°；c95%rh存放1000小时5.4thermalshock耐温度冲击*&delta；r25/r25&le；±；2%100cyclesoffollowingsequence-40°；c10min.---5min.roomtemp.---200°；c10min.---5min.roomtemp.经历如下温度循环100次-40°；c10分钟---常温5分钟---200°；c10分钟---常温5分钟5.5vibration振动*novisibledamage无损伤*&delta；r25/r25&le；±；2%aftervibratetest,frequence10-500hz15min.maxamplitude1.5mm,inxandydirections振幅1.5mm频率10hz到500hz元件受振动试验x、y方向各15分钟5.6pulling强度*novisibledamage无损伤*&delta；r25/r25&le；±；2%afterappllingaforceof9.8nintheaxialdirectionofthermistor,andmaintaintheforcefor60sec.沿轴向施加9.8n拉力，并持续60秒5.7falldown跌落*novisibledamage无损伤*&delta；r25/r25&le；±；2%afterdroppedfreelyontowoodfloorfrom1meterheightfor10times从1米高度自由落下10次在规定的木板上6、outgoinginspection出厂检验6.1theproductshallbeinspectedateverydeliverylotinspectionitems,samplingquantitiesandsamplingacceptablestandardareasfollows.产品批量出厂前必须进行如下项目抽检，抽样数及标准如下inspectionitem检验项目samplingacceptablestandard抽样合格标准remarks备注resistancevalue电阻值n=20,ac=0,re=14(a)bvalueb值n=10,ac=0,re=14(b)insulationresistance绝缘电阻n=5,ac=0,re=14(c)shape&；dimensions外形尺寸n=5,ac=0,re=13appearance外观n=5,ac=0,re=136.2inspectiondata检验数据inspectiondatawillbeissuedforpayuponrequest.检验数据必须保留以备索取。7、packing包装packingshallbedonenottocausedamageorsoilduringdelivery包装方式必须保证在运输过程中避免损伤及污染。