美隆電子有限公司

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水泥電阻 - SQV Type

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水泥電阻

PDF File  Data Spec Cement Resistor - SQV Type

Cement FEATURE

  • Exceptionally small and sturdy, mechanically safe.
  • Excellent electrical characteristic
  • Tolerance of ±5% and ±10% are standard.
  • Non-inductive type are available on request.
  • Heat and flame resistance
  • The materials used and the construction techniques ensure excellent   flame resistance, arc resistance and moisture resistance as well as self-extinguishing capabilities, They will withstand the most rigorous loading test.
  • As resistors in radio and television receiver, The hazardous conditions of  smoking and reheat can be completely prevented by the proper choice of power resistors.
  • For high resistance value, The winding core will be replaced by metal oxide film core (RS Type)
  • Applicable specifications: EIA RS-344 and EIA RC-649

 


♦  產品特點: 小而堅固,機械安全,耐熱和阻燃性強及有良好的電氣特性,電阻值誤差 5% 和 10%

 

 

 

CM-SQH CM-SQP CM-SQM CM-SQT CM-SQZ CM-SQV CM-MPH CM-AH CM-PHD CM-MPR
DATA RATING
Power Type Value Range (Ω) Max working Dimension
Wire Wound Metal oxide Voltage W D L P a
5W CM-SQV5W 0.1~50 50~3.6K 350V 10±1 9±1 22±1 5±1 11.5±0.5
7W CM-SQV7W 0.1~50 50~4.7K 500V 10±1 9±1 35±1 8±1 11.5±0.5
10W CM-SQV10W 0.1~100 50~6.8K 500V 10±1 9±1 48±1 8±1 11.5±0.5
20W CM-SQV20W 0.1~100 100~10K 500V 15±1 14±1 60±1 10±1 16.5±2.0
30W CM-SQV30W 0.1~100 100~10K 500V 15±1 14±1 60±1 10±1 16.5±2.0
40W CM-SQV40W 0.1~100 100~10K 500V 15±1 14±1 60±1 10±1 16.5±2.0

 

 
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Newsflash

如何能夠更好準确量測低阻值電阻
   產品應用   如何能夠更好準确量測低阻值電阻
電阻值小於0.9R歐姆,應採用 [四點探針] 量測的方法,而且要求的量測用電表具有很高的分辨率。
四點探針量測方法是為了抵消引接線和被量測的電阻間接觸點的兩端內在的阻抗值。如果
你需要量測0.1R歐姆電阻的精度高於±1%,最好可以選用有六位數字的數字錶。針對測量低阻抗
值,採用四點探測,即 兩根導線輸入電流,兩根導線輸出量測兩端電壓,得出來的電壓讀數,可以代
入歐姆定律即可計算出精确之電阻值。