供应MPR,SLR，BPR陶瓷无感水泥电阻MPR,SLR，BPR
商品详细介绍
|
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
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.02 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.022 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.025 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.03 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.033 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.039 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.047 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.050 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.068 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.070 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.082 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.0100 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.1200 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.0150 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.2000 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.2200 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.2500 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.2700 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.3000 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.3300 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.3900 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.4700 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.5600 ohm
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
*
|
| 0.6200 ohm
|
*
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 0.6800 ohm
|
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 0.8200 ohm
|
|
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 0.910 ohm
|
|
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 1.000 ohm
|
|
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 1.200 ohm
|
|
|
|
0
|
*
|
*
|
*
|
0
|
0
|
0
|
0
|
| 1.800 ohm
|
|
|
|
0
|
*
|
*
|
*
|
0
|
0
|
0
|
0
|
| 2.200 ohm
|
|
|
|
|
*
|
*
|
*
|
0
|
0
|
0
|
0
|
| 3.300 ohm
|
|
|
|
|
*
|
*
|
*
|
0
|
0
|
0
|
0
|
| 6.600 ohm
|
|
|
|
|
|
0
|
0
|
0
|
0
|
0
|
0
|
| 备注:
|
"*" 表示可供货
|
"0" 表示正在开发中,尚未供货
| | |
|
V. 电气特性
| 项目
|
性能要求
|
测试方法
|
| 温度系数
|
± 250ppm/℃ |
JIS5202-5.2
-55℃ 到 +155℃
T.C.R=(R2-R1)×10?6;/ R1 (T2-T1)(PPM/℃)
R1:常温（T1）阻抗值;
R2:常温+100℃（T2）阻抗值 |
| 短时间过负荷
|
ΔR≤±（2% R0+0.05Ω) |
JIS5202-5.5
1W-3W: 5倍额定电压 5 秒
5W-20W:10倍额定电压 5 秒 |
| 耐电压
|
封装不可烧损，绝缘不可破坏 |
JIS5202-5.5
电阻两端导线 置于金属V型槽上依500V之电压规定加压60秒 |
| 直流阻抗值
|
J±5%，K±10% |
室温 25℃ 测试点 |
| 绝缘阻抗值
|
1000MΩ M |
以DC 500V测试体于V型槽上之导线及其表面涂装印加60秒 |
| 热冲击
|
ΔR≤±（2% R0+0.05Ω) |
JIS5202-6.7
依下所规定之温度连续5次
步骤：
1.温度-55℃ 放置30秒
2.温度25℃ 放置5秒
3.温度85℃ 放置30秒
4.温度25℃ 放置5秒 |
| 耐湿寿命
|
ΔR≤±（3% R0+0.05Ω) |
JIS5202-7.9
40±2°C, 90～95% RH
于恒湿箱中加额定直流电压测试1.5小时，停止0.5小时连续测试1000小时 |
|
耐温寿命 |
ΔR≤±（3% R0+0.1Ω） |
JIS5202-7.10
70°C,于恒温箱中加额定电压测试1.5小时，停止0.5小时连续测试1000小时 | | |
