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MELF Metal Film Resistor

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晶圓電阻

SINLOON® AEC-Q200 高精密金屬膜晶圓電阻 AEC-Q200 AQMMR Series
Tolerance: ±0.1% ~ ±5% Precision Metal Film MELF Resistor
AEC-Q200 AQMMR
• FEATURES - - - 按圖放大
♦Low Noise
Low T.C.R  to 15ppm
The electrode strength is firm.
Moisture proof, Non-Combustibility - - - -
Wide Precision Range: 0.22Ω ~ 5MΩ
Lead (Pb)-free and RoHS Compliant
Precision Tolerance Tight to  ±0.1%, ±0.25%, ±0.5%. ±1%.
Compatible with lead (Pb)-free and lead containing soldering processes
The AQMMR- Metal film Resistor are made by depositing special treated metal film onto ceramic core in ultra high vacuum.
Both ends of the core are plated with precious metal to ensure low noise and small temperature coefficient.
MPM Resistor are widely  applied in high fidelity stereo, electronic calculators, computers,
testing instruments, meters, auto controlled equipment, military devices and aerospace equipment.
RATED SPECIFICATION
Type Size Rating Maxinmun Voltage Resistance Range (Ω)
Power Working Overload ±0.1% ±0.25% ±0.5% ±1% ±5%
V-AQMMR07 0207 1/4W 200V 500V 100R-100K 100R-100K 10R-560K 1R - 5M 0.22R - 5M
U-AQMMR07 0207 1/2WS 300V 600V 100R-100K 100R-100K 10R-560K 1R - 5M 0.22R - 5M
TCR: ±15ppm; ±25ppm; ±50ppm; ±100ppm
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最近更新在 週三, 06 四月 2016 04:36  
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封閉實際光輸出的控制回路

正确量測LED電源

 

封閉實際光輸出的控制回路

半導體照明這一新興領域的出現,使同時專長於電力電子學、光學和熱管理學(機械工程)這三個領域的工程師成為搶手人才。目前,在三個領域都富有經驗的工程師並不很多,而這通常意味著系統工程師或者整體產品工程師的背景要和這三大領域相關,同時他們還需盡可能與其他領域的工程師協作。系統工程師常常會把自己原領域養成的習慣或積累的經驗帶入設計工作中,這和一個主要研究數位系統的電子工程師轉去解決電源管理問題時所遇到的情況相同:他們可能依靠單純的模擬,不在試驗檯上對電源做測試就直接在電路板上佈線,因為他們沒有認識到:開關穩壓器需要仔細檢查電路板佈局;另外,如果沒有經過試驗台測試,實際的工作情況很難與模擬一致。

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