水泥型电阻是把电阻体放入方形瓷器框内，用不燃性耐热水泥充填密封而成。具有耐高功率、散热容易、稳定性高等特点。
SQP水泥型电阻器尺寸 |
| 类型 | 尺寸 (mm) | 阻值范围 | ||||
SQP | W &plun; 1 | H &plun; 1 | L &plun; 1.5 | d &plun; 0.05 | SQP | RS+SQP | |
2W | 7 | 7 | 18 | 0.5~0.6 | R1~82R |
| |
3W | 8 | 8 | 22 | 0.7~0.8 | R1~180R | 181R~33K | |
5W | 10 | 9 | 22 | 0.7~0.8 | R1~180R | 181R~50K | |
7W | 10 | 9 | 35 | 0.7~0.8 | R1~430R | 431R~50K | |
10W | 10 | 9 | 48 | 0.7~0.8 | R1~470R | 471R~50K | |
15W | 12.5 | 11.5 | 48 | 0.7~0.8 | R5~600R | 601R~150K | |
20W-25W | 14 | 13.5 | 60 | 0.7~0.8 | R8~1K | 1K1~150K | |
SQM水泥型电阻器尺寸 |
| 类 型 | 尺 寸 (mm) | 阻值范围 | |||
SQM | H &plun; 1.5 | W &plun; 1 | S &plun; 1 | SQM | RS+SQM | |
2W | 20 | 12 | 8 | R1-8.0R | 81R-50K | |
3W | 25 | 12 | 8 | R1-180R | 181R-50K | |
5W | 25 | 13 | 9 | R1-180R | 181R-50K | |
7W | 39 | 13 | 9 | R1-430R | 431R-47K | |
10W | 51 | 13 | 12 | R1-470R | 471R-47K | |
10WS | 35 | 16 | 12 | R1-430R | 431R-47K | |
SQT水泥型电阻器尺寸
| 类 型 | 尺寸 (mm) | 阻值范围 | ||||
SQT | H &plun; 1.5 | W &plun; 1 | L &plun; 1 | t &plun; 1 | SQT | RS+SQM | |
3W | 9 | 10 | 22 | 1.5 | 0.1-180 | 181-50K | |
5W | 9 | 10 | 22 | 1.5 | 0.1-180 | 181-50K | |
7W | 9 | 10 | 35 | 3.0 | 0.1-430 | 431-47K | |
10W | 9 | 10 | 48 | 3.0 | 0.1-470 | 471-47K | |
SQH水泥型电阻器尺寸
|
类 型 | 尺寸 ( mm ) | 阻值范围 |
| ||||||||
SQH | A &plun; 1 | B &plun; 1 | L &plun; 1.5 | P &plun; 1 | H &plun; 1 | D &plun; 0.5 | P1 &plun; 0.2 | P2 &plun; 0.2 | SQH | RS+SQH | |
10W | 10 | 9 | 48 | 32 | 21 | 5 | 2.5 | 2 | R1~500 | 500R~50K | 500V |
15W | 12.5 | 11.5 | 48 | 32 | 21 | 5 | 2.5 | 2 | 1R~1K | 1K~150K | 600V |
20W | 14.5 | 13.5 | 60 | 43 | 24 | 6 | 3.0 | 2.5 | 1R~2K | 2K~150K | 700V |
30W | 19 | 19 | 75 | 56 | 29 | 6 | 3.0 | 2.5 | 1R~2K |
| 700V |
40W | 19 | 19 | 90 | 67 | 29 | 6 | 3.0 | 2.5 | 2R~3K |
| 700V |
50W | 19 | 19 | 90 | 67 | 29 | 6 | 3.0 | 2.5 | 2R~3K |
| 700V |
SQZ水泥型电阻器尺寸 |
|
类型 | 尺寸 ( mm ) | 阻值范围 | ||||||||||
SQZ | L &plun; 1.5 | W &plun; 1 | H &plun; 1 | P &plun; 1.5 | P1 | P2 | P3 | P4 | H1 &plun; 1 | H2 &plun; 1 | SQZ | RS+SQZ |
5W | 25(28) | 10 | 10 | 9.5(15) | 4.2 | 2 | 5 | 1.5 | 25 | 10.5 | 0.1-130R | 131R-50K |
7W | 36 | 10 | 10 | 20 | 4.2 | 2 | 5 | 1.5 | 25 | 10.5 | 0.1-430 | 431R-50K |
10W | 48 | 10 | 10 | 32 | 4.2 | 2 | 5 | 1.5 | 25 | 10.5 | 0.2-470R | 471R-50K |
15W | 48 | 12.5 | 12 | 32 | 4.2 | 2 | 5 | 1.5 | 26 | 10.5 | 1R-600 | 601R-150K |
20-25W | 60 | 15 | 13 | 42 | 7 | 6 | 10 | 2.7 | 36 | 15.0 | 1R-1K | 1.1K-150K |
电特性 |
项 目 | 条 件 | 规 格 |
温度系数 | -30°C~ 200°C | &plun; 300ppm / °C |
短时间负载 | 2.5 times of rated wattage for 5 sec. | &plun; 2 % |
额定负载 | Rated wattage for 30 min. | &plun; 1 % |
耐电压 | 800 v AC 1 min. | no charge |
温度循环 | -30°C~ 85°Cfor 5 cycles | &plun; 1 % |
负载寿命 | 70°Con-off cycle 1000hrs. | &plun; 5 % |
耐湿寿命 | 40°C95% RH on-off cycle 500 hrs. | &plun; 5 % |
不燃性 | 16 times rated wattage for 5 min. | not flammed |
数量多价格另议！
