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TO220 功率型電阻

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按圖放大 按圖放大 TO220 Power Resistor TO220 Power Resistor - First Page

Mayloon Products Power Resistor ML series resistors satisfy demanding applications for accurate and stable power resistors housed in the convenient TO-220 case. The resistance element is
Isolated from the mounting tab by an alumina ceramic layer, providing very low ther- mal resistance and ensuring high insulation resistance between terminals and tab.
The non-inductive design makes these products especially useful in high frequency and high speed pulse applications.

PDF File  Data Spec TO220 Power Resistor - Series

  1. MF18  (18W)     Resistance : 0.05R ~  1M  Tolerance: ±1%, ±5%.
  2. MF20  (20W)     Resistance : 0.05R ~  1M  Tolerance: ±1%,± 5%.
  3. MF30  (30W)     Resistance : 0.5R ~  1M  Tolerance:± 1%, ±5%.
  4. MF50  (50W)     Resistance : 0.2R ~  1M  Tolerance: ±1%, ±5%.
  5. ML25 (25W)      Resistance: 0.01R ~ 51K Tolerance:  ±1%, ±5%.
  6. ML35 (35W)      Resistance: 0.01R ~ 51K Tolerance:  ±1%, ±5%.
  7. ML50 (50W)      Resistance: 0.01R ~ 51K Tolerance:  ±1%, ±5%.
  8. TO247 ML100(100W)    Resistance: 0.1R ~ 51K Tolerance:  ±1%, 5±%.

Applications (應用)

  • UPS   (不斷電供電系統)
  • Snubbers circuits.   (緩衝電路)
  • Voltage Regulation.  (電壓調變器)
  • Low Energy Pulse Loading.  (脈衝電路)
  • Gate Resistors in Power Supplies. (穏壓電源)
  • Terminal Resistance in RF Power Amplifiers. (射頻功率放大器)
  • Load and Dumping Resistors in CRT Monitors. (示波器)
  • Others (其它)
  • Power rating bases on 25°C ambient temperature.
  • Other requirement not spevcified in the specification sent by e-mail inquiries welcome.
  • Mayloon characteriistic parameters of electronic product specification changes of updates without pror notics.
  •  

     
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    微波波源

    微波(來自英文:「Microwave」)是指波長介於紅外線和特高頻(UHF)之間的射頻電磁波。微波的波長範圍大約在 1m 1mm 之間,所對應的頻率範圍是 0,3 GHz 300 GHz

    微波在雷達科技,ADS射線武器,微波爐,等離子發生器,無線網絡系統(如手機網絡,藍牙,衛星電視及WLAN技術等),傳感器系統上均有廣泛的應用。

    在技術領域協定使用的四個頻率分別為800MHz,2.45GHz,5.8GHz13GHz。微波爐使用2.45GHz,此頻率亦被作為ISM波段,使用在航空通訊領域

    微波爐的運作原理是通過用微波(頻率常常為2.45 GHz)對食物照射,食物分子可分為有極分子和無極分子,在外電場作用下,使原來雜亂無章分佈的有極分子沿外電場方向轉向,產生轉向極化;無極分子沿外電場方向產生位移極化。改革外電場方向時,分子轉向極化或位移極化方向隨之改變。微波爐工作時,置於爐內的食物,在微波(即高頻交變電磁場)的作用下,食物分子每秒來回極化(即擺動)二十四億多次,這時分子間的碰撞、摩擦將電磁能量轉化為熱量,這樣就可以使食物在極短的時間內,內部和外表溫度同時升高,達到快速加熱而不破壞食物中所含的對人體有益的各種維生素及營養成份,且色澤鮮艷、味道可口,不會有夾生現象。

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