RX21 涂覆型功率线绕电阻器（1/4W,0.25W,1/2W,0.5W,1W,2W,3W,4W,5W,6W,8W,9W,10W,11W,12W）
内容介绍：RX21线绕电阻器具有性能温度，耐高温等特性，通常称为RX21绕线电阻,RX21-1W,RX21-2W,RX21-3W,RX21-4W,RX21-5W,RX21-6W,RX21-8W,RX21-9W,RX21-10W,RX21-11W,RX21-12W等型号，常用阻值为0.1R,0.15R,0.2R,0.5R,0.51R,1R,2R,2.2R,5.1R,5.6R,10R,22R,47R,56R,100R,120R,150R,200R,1KR,1.5KR,2.2KR,5KR,10KR。
关键词：RX21 涂覆型功率线绕电阻器,被漆线绕电阻,绕线电阻，1/4W,0.25W,1/2W,0.5W,1W,2W,3W,4W,5W,6W,8W,9W,10W,11W,12W,0.1R,0.15R,0.2R,0.5R,0.51R,1R,2R,2.2R,5.1R,5.6R,10R,22R,47R,56R,100R,120R,150R,200R,1KR,1.5KR,2.2KR,5KR,10KR
特点及用途
○体积小，阻值范围宽，性能稳定，可靠性高。
○耐热性能好，温度系数小，噪音低，负荷功率大。
○轴向引线，方便安装。
○采用不燃漆包封。
外型尺寸
| 型号 |
70℃额定功率(W) |
尺 寸(mm) |
| L |
D |
l±3 |
d±0.05 |
| RX21 |
1/4W |
6.3±1 |
2.3±0.5 |
25 |
0.41 |
| 1/2W |
11.0±1 |
3.5±0.5 |
0.55 |
| 1W |
11.0±1 |
3.5±0.5 |
0.55 |
| 2W |
13.5±1 |
5.0±0.5 |
0.55 |
| 3W |
13.5±1 |
5.0±0.5 |
0.55 |
| 4W |
23.5±1 |
7.5±0.5 |
0.75 |
| 5W |
23.5±1 |
7.5±0.5 |
0.75 |
| 6W |
23.5±3 |
7.5±0.5 |
0.75 |
| 8W |
32.5±3 |
8.5±0.5 |
0.75 |
| 9W |
32.5±3 |
8.5±0.5 |
0.75 |
| 10W |
32.5±3 |
8.5±0.5 |
0.75 |
| 11W |
47.0±3 |
8.5±0.5 |
1.0 |
| 12W |
47.0±3 |
8.5±0.5 |
1.0 |
主要性能指标
| 型号 |
70℃额定功率(W) |
温度系数
(10-6/℃) |
阻值范围
(Ω) |
阻值允许
偏差(%) |
工作电压
(V) |
负荷电压
(V) |
绝缘电压
(V) |
| RX21 |
1/4W |
±100 |
0.1~750 |
±1
±5 |
150V |
300V |
150V |
| 1/2W |
400V |
250V |
| 1W |
0.15~3K |
| 2W |
0.15~5.1K |
250V |
400V |
350V |
| 3W |
500V |
600V |
500V |
| 4W |
0.15~10K |
| 5W |
| 6W |
500V |
600V |
750V |
| 8W |
0.15~33K |
| 9W |
750V |
800V |
1000V |
| 10W |
| 11W |
| 12W |
