RX20功率型被釉线绕电阻器(8W,10W,20W,30W,50W,75W,100W,120W,150W,200W,300W,500W,800W,1000W,1200W,1500W,2000W)
内容介绍:RX20功率型被釉线绕电阻表面上釉膜,散热性好,耐腐蚀抗氧化,可在恶劣环境下长期使用,使用寿命长,线绕电阻,可调电阻,被釉电阻,老化线绕电阻,制动电阻,刹车电阻,功率规格8W,10W,20W,30W,50W,75W,100W,120W,150W,200W,300W,500W,800W,1000W,1200W,1500W,2000W,2500W,3000W,0.1R,0.2R,0.5R,1R,10R,50R,100R,250R,1KR,2KR,2.2KR,3.9KR,10KR,11KR,22KR,33KR。
特点及用途
○功率适用范围宽
○电阻表面被釉,耐腐蚀、耐高温,可在恶劣环境中使用
○耐潮湿,绝缘度高,过负荷能力强,热稳定性好,使用寿命长
○T型为可调电阻,方便电阻阻值调节使用
○电源测试,电路负载、变频器、起重、制动、电力、船舶、工业自动化等机电装备
外型尺寸
| 型号 | 额定
功率
(W) | 外形尺寸(mm) | 重量(g) |
| L | D | d | H | h | L1 | K | b | t | d1 | c | 固定 | 可调 |
| RX20 | 8W | 35 | 14 | 5.5 | - | 28.5 | - | - | 3.5±0.8 | 4.5 | 2 | 8±1.5 | 23 | - |
| 10W | 41 | 14 | 5.5 | 31 | 28.5 | 20 | 6±2 | 27 | 34 |
| 15W | 45 | 17 | 8 | 34 | 31 | 23 | 36 | 42 |
| 20W | 51 | 17 | 8 | 34 | 31 | 30 | 44 | 52 |
| 25W | 51 | 21 | 12 | 39 | 35 | 30 | 57 | 67 |
| 30W | 71 | 21 | 12 | 39 | 35 | 44 | 80 | 90 |
| 40W | 87 | 21 | 12 | 39 | 35 | 57 | 98 | 110 |
| 50W | 91 | 29 | 20 | 47 | 43 | 60 | 7±2 | 4.5±1 | 6 | 2.5 | 132 | 144 |
| 75W | 140 | 29 | 20 | 47 | 43 | 110 | 253 | 265 |
| 100W | 170 | 29 | 20 | 47 | 43 | 140 | 286 | 298 |
| 150W | 215 | 29 | 20 | 47 | 43 | 185 | 385 | 397 |
| 200W | 215 | 38 | 25 | 60.5 | 58 | 160 | 7±2 | 8±1 | 9 | 4 | 11±1.5 | 475 | 495 |
| 200/250W | 266 | 30 | 16 | 50 | 47 | 210 | 510 | 530 |
| 300W | 266 | 36 | 20 | 58 | 58 | 210 | 8±2 | 630 | 650 |
| 400W | 250 | 54 | 30 | 76.5 | 79 | 180 | 10±2 | 1000 | 1020 |
| 500W | 300 | 54 | 30 | 76.5 | 79 | 230 | 16 | 8 | 17±1.5 | 1340 | 1360 |
主要性能指标
| 型号 | 额定功率(W) | 阻值范围(Ω) | 阻值允许偏差(%) | 温度系数
(10-6/°C) |
| 固定 | 可调(T) |
| RX20 | 8W | 5.1~3.3K | - | ±1
±5
±10 | ±250 |
| 10W | 5.1~10K | 5.1~200 |
| 15W | 5.1~15K | 5.1~220 |
| 20W | 5.1~20K | 5.1~430 |
| 25W | 10~24K | 10~510 |
| 30W | 10~30K | 10~1K |
| 40W | 20~51K | 20~1.2K |
| 50W | 20~51K | 20~1.5K |
| 75W | 20~56K | 20~2K |
| 100W | 24~62K | 24~2.7K |
| 150W | 20~150K | 20~4.3K |
| 200W | 4.7~12K | 5.1~3K |
| 200/250W | 4.7~12K | 5.1~3K |
| 300W | 4.7~12K | 5.1~3K |
| 400W | 5.1~10K | 6.2~3K |
| 500W | 5.1~10K | 6.2~3K |
降功耗曲线图
