RX20 功率型被釉線繞電阻器(8W,10W,20W,30W,50W,75W,100W,120W,150W,200W,300W,500W,800W,1000W,1200W,1500W,2000W)
內容介紹：RX20 功率型被釉線繞電阻表面上釉膜，散熱性好，耐腐蝕抗氧化，可在惡劣環境下長期使用,使用壽命長,線繞電阻, 可調電阻,被釉電阻, 老化線繞電阻，制動電阻,剎車電阻,功率規格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。
特點及用途
○功率適用范圍寬
○電阻表面被釉，耐腐蝕、耐高溫，可在惡劣環境中使用
○耐潮濕，絕緣度高，過負荷能力強，熱穩定性好，使用壽命長
○T型為可調電阻，方便電阻阻值調節使用
○電源測試，電路負載、變頻器、起重、制動、電力、船舶、工業自動化等機電裝備
外型尺寸
| 型號 | 額定 功率 (W) |
外形尺寸(mm) | 重量(g) | |||||||||||
| L | D | d | H | h | L1 | K | b | t | d1 | c | 固定 | 可調 | ||
| 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 | |||
主要性能指標
| 型號 | 額定功率(W) | 阻值范圍(Ω) | 阻值允許偏差(%) | 溫度系數 (×10-6 /℃) |
|
| 固定 | 可調(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 | |||
降功耗曲線圖
