I. 特点
- 金属板无感电阻器,又称MPR(美洲),BPR(日本),SLR(欧洲).该电阻元件采用精密合金材料,经特殊工艺制成片状电阻芯,通过高频片式陶瓷壳进行封装而成
- 低电感,低阻值(5m ohm 到 6.6 ohm),耐热性优,温度系数小,低杂音,负荷功率大,绝缘性高,不燃性
- 广泛应用于电视机,显示器,计算机周边设备,自动化控制系统,变频空调,电源设备,高档音响等电路中
II. 尺寸结构图
|
类型
|
尺寸(mm)
|
阻值范围
|
功率
|
A±1.0
|
B±1.0
|
C±0.5
|
H±1.0
|
h1±1.0
|
h2±1.0
|
P±1.0
|
E12 ±5%(J)
|
E12 ±10%(K)
|
MPR 26F
|
2W
|
8.5
|
13.0
|
5.0
|
13.0
|
8.0
|
4.0
|
10
|
0.005Ω~0.68Ω
|
0.005Ω~0.68Ω
|
MPR 36F
|
3W
|
13.0
|
14.0
|
5.0
|
13.0
|
8.0
|
4.0
|
10
|
0.005Ω~0.68Ω
|
0.005Ω~0.68Ω
|
MPR 56F
|
5W
|
18.0
|
14.0
|
5.0
|
13.0
|
8.0
|
4.0
|
10
|
0.005Ω~1.0Ω
|
10.005Ω~1.0Ω
|
MPR 28F
|
2W
|
8.5
|
26
|
5.0
|
13.0
|
8.0
|
4.0
|
20
|
0.005Ω~1.0Ω
|
0.005Ω~1.0Ω
|
MPR 38F
|
3W
|
13.0
|
26
|
5.0
|
13.0
|
8.0
|
4.0
|
20
|
0.01Ω~6.6Ω
|
0.01Ω~6.6Ω
|
MPR 58F
|
5W
|
18.0
|
26
|
5.0
|
13.0
|
8.0
|
4.0
|
20
|
0.01Ω~6.6Ω
|
0.01Ω~6.6Ω
|
MPR 108F
|
10W
|
17.0
|
26
|
5.0
|
13.0
|
8.0
|
4.0
|
20
|
0.01Ω~6.6Ω
|
0.01Ω~6.6Ω
|
MPR 22F
|
2W+2W
|
8.5
|
26
|
5.0
|
13.0
|
8.0
|
4.0
|
10
|
0.01Ω~6.6Ω
|
0.01Ω~6.6Ω
|
MPR 33F
|
3W+3W
|
13.0
|
26
|
5.0
|
13.0
|
8.0
|
4.0
|
10
|
0.01Ω~6.6Ω
|
0.01Ω~6.6Ω
|
MPR 55F
|
5W+5W
|
17.0
|
26
|
5.0
|
13.0
|
8.0
|
4.0
|
10
|
0.01Ω~6.6Ω
|
0.01Ω~6.6Ω
|
MPR 77F
|
7W+7W
|
20.0
|
26
|
5.0
|
13.0
|
8.0
|
4.0
|
10
|
0.01Ω~6.6Ω
|
0.01Ω~6.6Ω
|
|
|
III.降负荷曲线图和表面温升曲线图
|
IV. 标准阻值一览表
|
功率
|
阻 值
|
MPR 26F
|
MPR 36F
|
MPR 56F
|
MPR 28F
|
MPR 38F
|
MPR 58F
|
MPR 108F
|
MPR 22F
|
MPR 33F
|
MPR 55F
|
MPR 77F
|
0.007 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
0.0075 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
0.008 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
0.01 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
0.011 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
0.012 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
0.015 ohm
|
*
|
*
|
*
|
<
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