參數(shù)資料
型號： KD1204PKS2 H
廠商： Sunon Fans
文件頁數(shù)： 23/74頁
文件大小： 0K
描述： FAN 12VDC 40X20MM 0.8W 7.7CFM
產(chǎn)品變化通告： KD,KDE,GM,PMD End of Life 25/Nov/2011
標(biāo)準(zhǔn)包裝： 200
系列： KD
風(fēng)扇類型： 管軸式
尺寸/尺寸： 方形 - 40mm L x 40mm H x 20mm W
電壓 - 額定： 12VDC
功率（瓦特）： 0.80W
RPM： 6200 RPM
雜訊： 21 dB（A）
靜態(tài)壓力： 0.160 英寸水柱（39.8 Pa）
氣流： 7.7 CFM（0.218m³/min）
端子： 2 引線
軸承類型： 套管
工作溫度： 14 ~ 158°F（-10 ~ 70°C）
重量： 0.062 磅（28.12g）
額定電流： 0.070A
電壓范圍： 5 ~ 13.8VDC
相關(guān)產(chǎn)品： FG-4-ND - FINGER GUARD FOR FAN
8466K-ND - GUARD FAN FOR 1 1/2" FAN PLASTIC
8464K-ND - GUARD ASSY 1.57"SQ FOR 1 1/2"FAN
8447K-ND - GUARD FINGER FOR 1 1/2" FAN MET
其它名稱： 259-1280
KD1204PKS2H
KDE1204PKS2
KDE1204PKS2-ND
Q900670
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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KD1205PFB1(2)H 制造商:SUNON 功能描述:FAN,12VDC,11.4 CFM,51X51X10,BALL BEARINGS,12 INCH LEADS,UL/T
KD1205PFB2 H 功能描述:FAN 12VDC 50X10.5MM 1.2W 9.5CFM RoHS:否 類別:風(fēng)扇，熱管理 >> 風(fēng)扇 - DC 系列:KD 產(chǎn)品培訓(xùn)模塊:Computer Cooling in System Design Thermal Simulation in Telecom Applications RoHS指令信息:3115RL-04W-B79-E00 Material 標(biāo)準(zhǔn)包裝:40 系列:3115RL 風(fēng)扇類型:管軸式 尺寸/尺寸:方形 - 80mm L x 80mm H x 38mm W 電壓 - 額定:12VDC 功率（瓦特）:13.8W 特點:鎖定轉(zhuǎn)子傳感器 RPM:6500 RPM 雜訊:56 dB（A） 靜態(tài)壓力:1.044 英寸水柱（260.0 Pa） 氣流:91.8 CFM（2.60m³/min） 端子:3 引線 軸承類型:滾珠 工作溫度:14 ~ 158°F（-10 ~ 70°C） 重量:0.452 磅（205.02g） 額定電流:1.15A 電壓范圍:7 ~ 13.8VDC 預(yù)期壽命:25°C 時為 100000 小時 其它名稱:3115RL04WB79E003115RL04WB79E00-ND
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