| 品牌： | 长盈 | 型号： | YD1212038SH | 适用配件类型： | 电源 |
| 适用品牌型号： | 长盈 | 类型： | 散热风扇 | 材质： | ABS料 |
| 尺寸： | 12（cm） | 轴承类型： | 含油轴承 | 转速： | 2800 |
| 使用寿命： | 30000 | 噪音： | 35（dB） |
DC BRUSHLESS FAN SPECIFICATION（产品规格书）1.SCOPE（范围）
This specification to model NO:（产品机型）DFH1238B24
2.STANDARD ENVIRONMENTAL CONDITIONS（通用环境）
Temperature 25℃and relative humidity 60％shall be standard if no doubt
Arises in the judgement,however,it is permitted that rests are conducted in
The 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）
3-1 | Structure（结构） | axial motor fan（轴流风机） |
3-2 | Housing（框架） | BLACK PBT |
3-3 | Blade（扇叶） | BLACK PBT |
3-4 | Bearing（轴承结构） | BALL Bearing |
3-5 | Lead （线材） | UL1007/24AWG/L=260MM |
4．RATED AND OPERATING CONDITLONS（额定条件）
4-1 | Rated voltage（额定电压）(VDC) | 24.0 |
4-2 | Rated current（额定电流）(A) | 0.24A±10％ |
4-3 | Startup voltage（启动电压）(VDC) | 12.0 |
4-4 | Rated input power（输入功率）(W) | 5.76 |
4-5 | Operating voltage（电压范围）(VDC) | 21.6-26.4 |
4-6 | Operating temperarure（工作温度）(℃) | -10℃--+70℃ |
4-7 | Storage temperature（收藏温度）(℃) | -40℃--+80℃ |
4-8 | Speed（转速）(RPM) | 2800±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） | |
5-1 | Max.air flow | Air pressure=0 | 109.49CFM |
5-2 | Max.air pressure | Air flow=0 | 6.86mmH2O |
5-3 | Air flow.air Pressure characteristics |
| AS performance Curves |
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） | |
6-1 | Noise 噪音 | Shall be measure in around isolated room of Background noise 20DB or Less,in a distance of lm from intake direction |
42.07dBa
|
6-2 | Insulation Resistance 绝缘阻抗 | When test voltage of DC 250v is impressed between terrninal(+)and horsing |
Min 10 megohm |
6-3 | Dielectrice 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（专用试验）
7-1 | Vibration Resistance振动试验 | 5-3hz,0.04mm peak to peak amplitude,30-500hz,2g peak amplitude,for minutes to all three axis | It shall be satisfy the Specified perfornance standards |
7-2 | Shock Resistance 冲击试验 | 60g11 millisecond(1/2sine), two time to all threeaxis | It shall be satisfy the Specified performance Standards |
7-3 |
Durability 寿命试验 | Expected life endurance time until the revolution drops by 30％from the initial value When continuously run under standard environmental conditions and rated conditions |
50000 hours up(at 25℃/ relative humidity 45-85％)
|
7-4 | Rotor Resistance 堵转试验 | The rotor drive shall be Restricted for 72hours in the state where condition is made in the range of operating temperature and operating voltage range | It shall be have no damage |
8.OTHERS(其它)
8-1 | Rotaing direction | Marked on housing outside surface |
8-2 | Air flowing direction | Marked on housing outside surface |
8-3 | Appearance | Shall be free of flaw and contamination Which cause excessive drop in the commercial value |
8-4 | Mounting hole | 4 places |
8-5 | Lot marking | Date code label shall be applied on the outside surface |
