参数资料
| 型号： | KD1212PMBX-6A |
| 厂商： | Sunon Fans |
| 文件页数： | 23/74页 |
| 文件大小： | 0K |
| 描述： | FAN 12VDC 120X38MM 120CFM PLAIN |
| 产品变化通告： | KD,KDE,GM,PMD End of Life 25/Nov/2011 |
| 标准包装： | 200 |
| 系列： | KD |
| 风扇类型： | 管轴式 |
| 尺寸/尺寸： | 方形 - 120mm L x 120mm H x 38mm W |
| 电压 - 额定： | 12VDC |
| 功率（瓦特）： | 7.50W |
| 气流： | 120.0 CFM（3.39m³/min） |
| 端子： | 2 引线 |
| 轴承类型： | 滚珠 |
| 其它名称： | Q1942591 |
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The Sunon patented MagLev design is based on magnetic principles and forces that not only propel the fan but also
ensure stable rotation over its entire 360 degrees of movement. Utilizing the attraction of the magnetic levitation force,
MagLev eliminates the wobbling and shaking problems of traditional motor fans. With this new technology, the MagLev fan
propeller is suspended in air during rotation so that the shaft and bearing do not come into direct contact with each other to
create friction. These features result in a fan with
low acoustic noise level, high-temeperature endurance, and longer
lifespan.
about
Sunon MagLev
SUNON MagLev prevents the defects of conventional fans
Sunon MagLev Solution
Deficiencies of
Traditional Motors
Sleeve Bearing
Ball Bearing
Weight of rotor is entirely loaded on to the
shaft. Abrasive rotation between shaft and
bearing will result in an irregular and rough
surface on the inner surface of bearing bore.
The fan motor rotation becomes uneven and
in turn, causes operational noise and shortens
fan life.
The oil ring and mylar washer not only results
in added friction area but also blocks the
heated air, which, if not released before
solidification, would become nitride particles
that clog up in the gap between shaft and
bearing bore, then causing a much slower
rotation of rotor and noise.
The entire weight of the rotor is
completely attracted by the magnetic
force in any mounted position, keeping
the motor rotating evenly at a fixed point
in a consistent distance from the inner
surface of the bearing. No more
traditional rubs and noise will occur.
The oil rings, the washers are no longer
used in MagLev structure.
For customized use, MagLev design
allows an operating temperature higher
than 700C.
When the fan motor is operating, the steel
balls inside will generate a higher rotational
noise than that of a sleeve bearing.
The construction of Ball bearings is quite
weak and unable to absorb external impact.
The bearings can be easily damaged, causing
louder rotational noise.
Comparison between MagLev and General Motor Fans
2 factors:
the magnet and the stator
The resulting interaction between the maglev
plate and the magnet pulls the rotor downward
along the entire 360-degree surface. Due to the
lower center of gravity, the rotor runs in a more
stable consistent orbit.
The general fan utilizes a deviating magnetic
center to attract the rotor downward. This
technology causes the rotor to vibrate violently,
due to the lack of a consistent orbit as well as a
deviation of the magnetic center.
(A) Sunon MagLev Fan
the center of
gravity is lower
maglev
plate
stator
(B) General Fan
the center of
gravity is higher
stator
Possesses 3 important factors:
the maglev plate, the magnet and the stator
magnet
02
MagLev
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相关代理商/技术参数 |
参数描述 |
|---|---|
| KD1212PMBX-6A.GN | 制造商:SUNON 功能描述:KD Series 3150 RPM 120 x 120 x 38 mm 120 CFM 12 VDC Dual Ball Bearing Fan |
| KD1212PTB1-6A.(2).GN | 制造商:SUNON 功能描述:TRADITIONAL DC FANS-BALL OR SLEEVE BEARING |
| KD1212PTB1-6A.GN | 功能描述:FAN 12VDC 120X25MM 90CFM RoHS:是 类别:风扇，热管理 >> 风扇 - DC 系列:KD 产品培训模块:Computer Cooling in System Design Thermal Simulation in Telecom Applications RoHS指令信息:3115RL-04W-B79-E00 Material 标准包装:40 系列:3115RL 风扇类型:管轴式 尺寸/尺寸:方形 - 80mm L x 80mm H x 38mm W 电压 - 额定:12VDC 功率（瓦特）:13.8W 特点:锁定转子传感器 RPM:6500 RPM 杂讯:56 dB（A） 静态压力:1.044 英寸水柱（260.0 Pa） 气流:91.8 CFM（2.60m³/min） 端子:3 引线 轴承类型:滚珠 工作温度:14 ~ 158°F（-10 ~ 70°C） 重量:0.452 磅（205.02g） 额定电流:1.15A 电压范围:7 ~ 13.8VDC 预期寿命:25°C 时为 100000 小时 其它名称:3115RL04WB79E003115RL04WB79E00-ND |
| KD1212PTB16ARGN2200HQ | 制造商:SUNON 功能描述:- Bulk |
| KD1212PTB2-6A.(2).GN | 制造商:SUNON 功能描述:TRADITIONAL DC FANS-BALL OR SLEEVE BEARING |
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