500W 可调瓷管电阻(精密线绕) 阻值可调
价格:电议
地区:广东 深圳市
电 话:86 0755 83657948
传 真:86 0755 83658648
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产品属性
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功率瓷管式可调电阻器RX20
特点(Features)
规格尺寸(Specifications and Dimensions):
品名功率 Part No. | 尺寸 | 成型类型 | |||||
L1±2 | L2±2 | L3±2 | L4±2 | H1±1 | H2±2 | ||
50W | 82 | 100 | 114 | 140 | 30 | 58 | HPR |
100W | 132 | 150 | 174 | 200 | 30 | 58 | HPR |
150W | 162 | 180 | 194 | 220 | 30 | 58 | HPR |
200W | 204 | 225 | 240 | 265 | 30 | 58 | HPR |
250W | 292 | 310 | 324 | 350 | 30 | 58 | HPR |
300W | 258 | 270 | 285 | 328 | 41 | 85 | HPR |
400W | 322 | 344 | 360 | 406 | 41 | 85 | HPR |
500W | 322 | 344 | 355 | 406 | 51 | 95 | HPR |
1000W | 290 | 315 | 325 | 375 | 71 | 110 | HPR |
1500W | 405 | 420 | 435 | 505 | 71 | 110 | HPR |
2000W | 495 | 525 | 540 | 610 | 71 | 110 | HPR |
电气特性(Electrical Performance):
项目 | 性能要求 | 调试方法 |
温度系数 | -350ppm/°C≤d≤+350ppm/°C | JIS5202-5.2 |
短时间过负载 | △R≤±(2%R0+0.1R) | JIS5202-5.2 |
焊接耐热性 | △R≤±(1%R0+0.1R) | JIS5202-6.4 |
不燃性 | 不可有明显火焰 | SJ3272-90 |
耐湿负荷寿命 | △R≤±(5%R0+0.1R) | JIS5202-7.9 |
耐温负荷寿命 | △R≤±(5%R0+0.1R) | JIS5202-7.10 |
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