CHIP RESISTOR
-55℃
70℃
155℃
100
75
50
25
0
使用温度范围:
Operating
Temperature
Range:
额定负荷百分比
Percent Rated Load
-55℃~155℃
150
-75
-50
-25
0
25
50
75
100
125
环境温度
Ambient temperature(℃)
注:当电阻使用的环境温度超过70℃时,其额定负荷(额定功率)按上述曲线下降。
Note: For resistors operated in ambient over 70
above figure.
℃,rated load (rated power) shall be derated in accordance with the
70
℃下额定功率
型 号
阻值范围
Type
Resistance Range
Rating Power at 70
℃ (W)
0402
0603
0805
P:1/8
P:1/5
P:1/4
0.05Ω≤
0.02Ω≤
0.01Ω≤
R
R
R
<
<
<
1
Ω
C:1/16
S:1/10
S:1/8
1Ω
1Ω
S:1/4
S:1/3
P:1/2
P:1/2
0.01Ω≤
R
R
<
<
1
Ω
1206
1210
0.01Ω≤
1Ω
S:3/4
2010
2512
P:1
0.01Ω≤
R
R
<
<
1
Ω
0.01Ω≤
1
Ω
C:1
P:2
0.1Ω≤R<1Ω
1、电压为直流或交流有效值。
Voltage of DC or AC RMS value.
P×R
2、E=
或元件极限电压两者中的较小值。
注
Note:
P×R
E=
or Limiting element voltage whichever is lower.
E:额定电压 Rated voltage(V)
P:额定功率 Rated power(W)
R:标称阻值 Normal resistance(Ω)
3