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      大電力鋁殼電阻LARGE CAPACITY METAL-CLAD WIRE WOUND RESISTORS

SMR series High Power Type                     

Part Number
   
SMR 50W  A   J 1Ω5 
a b c d    e 
a

Product code number 

 a.產品名稱
b rated power b.額定電力
c specification c.規格型式
d resistance value e.值阻
e tolerance (J: ±5% , K: ±10%) d.容許誤差
規格表Specification 電氣特性 Characteristics
Power Rating                         Dimension(m/m) TYPE RESISTANCE RANGE
A±2 B±2 C±1 D±1 E±1 F±1 G±2
SMRH-60W 115 100 20 40 5.2 45 75 A-Type 0.1~10kΩ
SMRH-80W 140 125 20 40 5.2 45 100 A-Type 0.1~10kΩ
SMRH-100W 165 150 20 40 5.2 45 125 A-Type 0.1~10kΩ
SMRH-120W 190 175 20 40 5.2 45 150 A-Type 0.15~15kΩ
SMRH-150W 215 200 20 40 5.2 45 175 A-Type 0.15~15kΩ
SMRH-200W 165 150 30 60 5.2 60 125 A-Type 0.3~20kΩ
SMRH-300W 215 200 30 60 5.2 60 175 A-Type 0.5~30kΩ
SMRH-400W 265 250 30 60 5.2 60 225 A-Type 0.5~30kΩ
SMRH-500W 240 225 40 80 5.2 60 200 A-Type 0.5~30kΩ
SMRH-600W 335 320 30 60 5.2 60 295 A-Type 1~50kΩ
SMRV-800W 400 385 40 80 5.2 60 360 B-Type 1~50kΩ
SMRV-1000W 400 385 50 100 30 5.2 380 B-Type 1~100kΩ
特性Charcteristics 規格值Limits
阻值和阻值的誤差Resistance and resistance tolerance
Resistance nominal  Resistance tolerance 
1Ω<=R   ±5%(J )
1Ω>R  ±10%(K)

   
溫度係數Temperature coefficient 　±200PPM/℃  max
額定負載Power rating load △R/R≦±(1%+0.05Ω)表面溫度上昇(temperature)350℃ max
短時間負載Short-time overload △R/R≦±(2%+0.05Ω)
絕緣電阻Insulation resistance DC500V 100MΩ MIM.　
耐電壓Dielectric withstanding voltage

△R/R≦±(1%+0.05Ω)

AC2000V 1 mimtue
           負載減輕曲線表 Power Derating Curve

      

              表面上昇溫度表  Temperature Rise

     

                                    
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