深圳市万联盛科技有限公司
专注于高品质电阻器 - 丰富的生产研发管理团队
18617185077 彭生
0755-27606841
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1.Excellent anti- surge characteristics.
耐浪涌特性优异的电阻器。
2.Stable characteristics of moisture resistance up to high resistance range.
到高阻值的耐湿性也很稳定的特性。
3.Products meet EU-RoHS requirements.EU-RoHS regulation is not intended for Pb-glass contained in resistor element.
对应欧盟RoHS。在电阻中所含的铅玻璃，不包含在欧盟-RoHS指令中。
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Type 型 号 |
Power 功率 |
Resistance tolerance 阻值范围 |
Dimensions 尺寸(mm) |
Max. working Voltage 最大工作电压 |
Max. overload voltage 最大负荷电压 |
Max. insulation voltage 最高绝缘电压 |
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| L±1 | D±0.5 | d±0.05 | ||||||
| MG/RI40 | 0.25W | 10K~1000MΩ | 6.8 | 2.4 | 0.5 | 1000V | 1500V | 500V |
| 0.5W | 9.8 | 3.5 | 0.55 | 1500V | 2000V | 600V | ||
| 1W | 11.5 | 4.5 | 0.65 | 2000V | 3000V | 750V | ||
| 2W | 15.5 | 5.0 | 0.75 | 3000V | 4000V | 750V | ||
| 3W | 17.5 | 6.2 | 0.75 | 4000V | 5000V | 750V | ||
| 5W | 24.0 | 8.0 | 0.75 | 5000V | 7000V | 750V | ||
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Test Item 测试项目 |
Test Condition 测试条件 |
Performance 性能 |
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Temperature Coefficient 温度系数 |
The resistance value at normal temperature and normal temperature added 100°C, calculate per °C resistance value change rate. 在常温及常温+100°C时分别测量电阻值并计算每度的阻值变化。 |
±200ppm/°C |
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Short Time overload 短时间过负荷 |
2.5×rated voltage or Max. overload voltage(get the lower) for 5 seconds. 施加2.5倍额定电压或最高负荷电压（取较小者）5秒。 |
R≤±(1.0%R0+0.05Ω) |
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Pulse overload 断续过负荷 |
At 4×rated voltage or Max. pulse overload voltage(get the lower)cycle 10000±200times(1second on,25 seconds off). 4倍额定电压或最高负荷断续电压（取较小者）测试1秒，停25秒，循环10000±200次。 |
R≤±(5%R0+0.05Ω) |
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Resistance to soldering Heat 耐焊接热 |
Immerge into the 350±10°C tin stove for 2~3seconds. 在350±10°C锡炉中浸入2~3秒。 |
R≤±(1%R0+0.05Ω) |
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Solderability 可焊性 |
Immerge into the 245±3°C tin stove for 2~3seconds. 在245±3°C锡炉中浸入2~3秒。 |
The soldering area is over 95% 焊锡面积覆盖率达95%以上 |
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Temperature cycling 温度循环 |
At -55°C for 30 min. ,then at+25°C for 10~15°C,then at +125°C for 30 min., then at +25°C for 10~15 min., total 5cycles. 在-55°C时放置30分钟，然后在+25°C时放置10~15分钟，然后再在+275°C时放置30分钟，接着在+25°C时放置10~15分钟，共循环5次。 |
R≤±(1%R0+0.05Ω) |
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Load life in humidity 耐湿负荷寿命 |
Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 40±2°C and 90~95% relative humidity. 在温度为40±2°C，相对湿度为90~95%的恒温恒湿箱中，施加额定电压或最大工作电压（取较小者）共1000小时（通电0.5小时，断电0.5小时） |
R≤±(5%R0+0.05Ω) |
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Load life in heat 耐湿负荷寿命 |
Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 70±2°C. 在温度为70±2°C的恒温恒湿箱中，施加额定电压或最大工作电压（取较小者）共1000小时（通电0.5小时，断电0.5小时） |
R≤±(5%R0+0.05Ω |
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Anti-surge characteristics 耐浪涌特性 |
Discharge test : According to the following table applied voltage， Charging for 4.5 S and discharge for 0.5 S, for 50 times impact test. 放电试验：照下表施加电压，充电4.5S、放电0.5S，进行50 次冲击试验。 
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R≤±（5%R+0.1Ω） |
