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