类型 轴流风扇 电压 12（v） 电流 0.11（a） 适用范围 12v 风量 14cfm 风叶直径 50mm 转速 4500 dc brushless fan specification（产品规格书）1.scope（范围）this specification to model no:（产品机型）dfh5015s122.standard environmental conditions（通用环境）temperature 25℃and relative humidity 60％shall be standard if no doubtarises in the judgement,however,it is permitted that rests are conducted inthe environment of temperature 5-35℃,relative humidity 45-85％（推荐温度25℃，相对湿度60％下使用，但在温度5-35℃相对湿度45-85％的条件下，产品能正常工作）3.structure and form（产品结构）3-1structure（结构）axial motor fan（轴流风机）3-2housing（框架）black pbt3-3blade（扇叶）black pbt3-4bearing（轴承结构）sleeve bearing3-5lead （线材）2.50 /2p/正向ul1007 26#awg框外l=60mm加白色玻纤管40mm4．rated and operating conditlons（额定条件）4-1rated voltage（额定电压）(vdc)12.04-2rated current（额定电流）(a)0.13a±10％4-3startup voltage（启动电压）(vdc)6.04-4rated input power（输入功率）(w)1.564-5operatingvoltage（电压范围）(vdc)10.8-13.24-6operating temperarure（工作温度）(℃)-10℃--+70℃4-7storage temperature（收藏温度）(℃)-40℃--+80℃4-8speed（转速）(rpm)6000±10％5.air flow-air pressure characteristic（风量-风压特性）applicable conditions:shall be applied in the state when the standard, environmental conditions and voltage are fixed.（注意事项：不变化环境及工作电压）item（测试项目）conditions（测试条件）standard（测试标准）5-1max.air flowair pressure=0 18.59cfm5-2max.air pressureair flow=0 4.92mmh2o5-3air flow.air pressurecharacteristics as performancecurves 6.performance(性能指标)applicable conditions:shall be applied under the standard environmental conditions and rated conditions（测试条件：标准环境条件及额定条件下）item（测试项目）conditions（测试条件）standard（测试标准）6-1noise噪音shall be measure in aroundisolated room ofbackground noise 20db orless,in a distance of lm from intake direction 35.21dba 6-2 insulation resistance绝缘阻抗when test voltage of dc250v is impressed betweenterrninal(+)and horsing min 10 megohm6-3dielectrice withstand voltage绝缘强度when voltage of ac 500v is impressed between terminal(+)and housing shall be free of abnormality 7.special test（试验） 7-1vibrationresistance振动试验 5-3hz,0.04mm peak to peak amplitude,30-500hz,2g peakamplitude,for minutes to allthree axisit shall be satisfy the specified perfornance standards7-2shock resistance冲击试验60g11 millisecond(1/2sine),two time to all threeaxisit shall be satisfy the specified performance standards7-3 durability寿命试验expected life endurance time until the revolution drops by 30％from the initial valuewhen continuously run under standard environmental conditions and rated conditions 30000 hours up(at 25℃/ relative humidity 45-85％) 7-4rotorresistance堵转试