CHIP RESISTOR
尺寸 Dimensions(mm)
型号 Type
a
t
L
W
b
0603
0805
1.60±0.10
2.00±0.10
0.80±0.10
1.25±0.15
0.45±0.10
0.50±0.10
0.30±0.20
0.30±0.20
0.30±0.20
0.40±0.20
1206
1210
2010
2512
3.20±0.20
3.20±0.20
5.00±0.20
6.30±0.20
1.60±0.15
2.50±0.20
2.50±0.20
3.20±0.20
0.55±0.10
0.55±0.10
0.55±0.10
0.55±0.10
0.50±0.20
0.50±0.20
0.60±0.20
0.40±0.20
0.50±0.20
0.50±0.20
0.60±0.20
1.80±0.20
-55℃
70℃
155℃
100
使用温度范围:
75
50
25
0
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
the above figure.
℃,rated load (rated power) shall be derated in accordance with
70℃下额定功率
Rating Power at 70℃
(W)
元件极限电压
Limiting Element Voltage
(V)
最大过负荷电压
Max. Overload Voltage
(V)
阻值范围
Resistance Range
型号
Type
100
300
400
400
400
1/8、1/5
0603
0805
1206
1210
2010
50
1
1
1
1
1
Ω
Ω
Ω
Ω
Ω
≤R
≤R
≤R
≤R
≤R
≤22M
≤22M
≤22M
≤22M
≤22M
Ω
Ω
Ω
Ω
Ω
1 /4
1 /2
1 /2
1
150
200
200
200
400
200
1
Ω
≤R
≤10M
Ω
2
2512
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。
P×R
E=
or Limiting element voltage whichever is lower.
注
Note:
E:额定电压 Rated voltage(V)
P:额定功率 Rated power
(W)
R:标称阻值 Normal resistance(Ω)
2