Large Capacity Aluminum Case Wirewound Resistors 大功率铝合金绕线电阻 RXLG Series ●产品特点Features 1.体积小且功率大,优于传统瓷骨架电阻. 2.结构坚固,稳定性高 3.铝制外壳散热,适用于散热板安装 4.硅铜膜压成型,绝缘性能好 5.符合无铅/RoHS要求 ●产品应用Productapplication 广泛应用于电源,变频器,伺服系统等各种高要求的电气回路中,并能够用于恶劣的工况环境.
●外形及尺寸Dimensions
| 功率 Power | 尺寸(Dimensions) | 类别 Style | 阻值范围 Range | ||||||
| A±2 | B±C | C±2 | D±1 | E±1 | F±1 | G±2 | |||
| 30W | 115 | 100 | 20 | 40 | 5.2 | 45 | 75 | LMH | 0.1-10KΩ |
| 80W | 140 | 125 | 20 | 40 | 5.2 | 45 | 100 | LMH | 0.1-10KΩ |
| 100W | 165 | 150 | 20 | 40 | 5.2 | 45 | 125 | LMH | 0.1-10KΩ |
| 120W | 190 | 175 | 30 | 60 | 5.2 | 45 | 150 | LMH | 0.15-15KΩ |
| 150W | 215 | 200 | 30 | 60 | 5.2 | 45 | 175 | LMH | 0.15-15KΩ |
| 200W | 165 | 150 | 30 | 60 | 5.2 | 60 | 125 | LMH | 0.3-20KΩ |
| 300W | 215 | 200 | 30 | 60 | 5.2 | 60 | 175 | LMH | 0.5-30KΩ |
| 400W | 265 | 250 | 30 | 60 | 5.2 | 60 | 225 | LMH | 0.5-30KΩ |
| 500W | 240 | 225 | 40 | 80 | 5.2 | 60 | 200 | LMH | 0.5-30KΩ |
| 600W | 335 | 320 | 30 | 60 | 5.2 | 60 | 295 | LMH | 1-50KΩ |
| 800W | 400 | 385 | 40 | 80 | 5.2 | 60 | 360 | LMV | 1-50KΩ |
| 1000W | 400 | 385 | 50 | 100 | 30 | 5.2 | 380 | LMV | 1-100KΩ |
| 项目 Items | 标准值 Standard | 测试方法 Test Methods |
| 阻值和误差 Resistance value and tolerance | R≤1.0Ω--- ±5% 1.0Ω＜R--- ±10% | 常温下测试 Normal temperature test |
| 短时间过负荷 Short time overload | △R≤±(2%R。+0.05Ω) | 5倍额定电压/5秒 5times rcwv/5seconds |
| 温度系数 Temperature Coefficient | ±200 PPM/℃ | 实验温度: 室温+100℃ Test temperature: indoors Temp. 100℃ |
| 绝缘电阻 Insulation Resistance | 100MΩ Min | 直流电压1000V DC 1000V |
| 耐电压 Dielectric withstanding voltage | 无烧毁或绝缘性破坏 No breakdown or flashover | 施加AC3000V持续1分钟 AC3000V for 60 seconds. |
| 耐振性 Vibration Resistibility | 无可见损伤Free of breakage or flying arc △R≤±(1%R。+0.05Ω) | f:5-200HZ a=1.5g X.Y各2H |