詳細(xì)信息
RX12塑密封精密線繞電阻器W234X
RX12型精密線繞電阻器是一種小型線繞電阻器，具有體積小、精度高的特點(diǎn)，其外形尺寸如圖2-24所示，各項參數(shù)見表2-50。
金屬外殼散熱性能強(qiáng)，適用于散熱板安裝方式。
○體積小，功率負(fù)荷大。
○多種接線方式，便于安裝。
○適用于變頻裝置，加熱裝置，制動裝置等行業(yè)設(shè)備。
外型尺寸
| 型號 | 功率(W) | 外型尺寸(mm) | 重量 (g) | ||||||||||||
| 電阻體 | 標(biāo)準(zhǔn)散熱板(鋁) | ||||||||||||||
| Amax | B | Lmax | Hmax | C | l | l1 | M | N | ф1 | ф2 | 表面積 (cm2) | 厚度 (mm) | |||
| RX24 | 5W | 15.5 | 16 | 36.5 | 8 | 8.5 | 11.4 | 12 | 4.4 | 1.5 | 1.5 | 2.2 | 415 | 1 | 3 |
| 10W | 19.5 | 21 | 40.5 | 10 | 11.2 | 14 | 16 | 5 | 2 | 2 | 2.5 | 415 | 6 | ||
| 25W | 27 | 27 | 48 | 13 | 14.3 | 18.3 | 20 | 7 | 2 | 2 | 3.5 | 535 | 11 | ||
| 30W | 34 | 29 | 55 | 15.5 | 16.3 | 25 | 22 | 7.3 | 2 | 2 | 3.5 | 535 | 18 | ||
| 50W | 50 | 29 | 71 | 15.5 | 16.3 | 40 | 22 | 7.3 | 2 | 2 | 3.5 | 935 | 30 | ||
| RXG24 | 75W | 65.5 | 48 | 93.5 | 26 | 27 | 23.5 | 37 | 11.5 | 3.5 | M3 | 4.4 | 935 | 3 | 90 |
| 100W | 98 | 48 | 126 | 26 | 27 | 35 | 37 | 11.5 | 3.5 | M3 | 4.4 | 935 | 90 | ||
| 120W | 135 | 48 | 158 | 26 | 27 | 52 | 58 | 11.5 | 3.5 | M3 | 4.4 | 935 | 240 | ||
| 150W | 135 | 48 | 158 | 26 | 27 | 52 | 58 | 11.5 | 3.5 | M3 | 4.4 | 935 | 240 | ||
| 200W | 92 | 73 | 132 | 45 | 46.5 | 35 | 58 | 21 | 5 | M6 | 5.5 | 3750 | 420 | ||
| 250W | 112 | 73 | 152 | 45 | 46.5 | 45 | 58 | 21 | 5 | M6 | 5.5 | 4765 | 480 | ||
| 300W | 130 | 73 | 170 | 45 | 46.5 | 51 | 58 | 21 | 5 | M6 | 5.5 | 5780 | 580 | ||
| 500W | 204 | 73 | 244 | 45 | 46.5 | 87 | 58 | 21 | 5 | M6 | 5.5 | 8500 | 970 | ||
主要性能指標(biāo)
| 型號 | 25℃額定功率W | 阻值范圍(Ω) | 阻值允許偏差(%) | 溫度系數(shù) (×10-6/℃) | 耐電壓(V) | |
| 帶散熱板 | 不帶散熱板 | |||||
| RX24 | 5W | 3W | 0.01~1K | ±1 ±5 | ±50~±100ppm | 1000 |
| 10W | 8W | 0.01~1.5K | ||||
| 25W | 12W | 0.01~10K | ||||
| 30W | 15W | 0.01~27K | ||||
| 50W | 20W | 0.01~33K | ||||
| RXG24 | 75W | 45W | 0.01~39K | 2000 | ||
| 100W | 50W | 0.01~51K | ||||
| 120W | 50W | 0.01~54K | ||||
| 150W | 55W | 0.01~56K | ||||
| 200W | 50W | 0.01~62K | ||||
| 250W | 60W | 0.01~68K | ||||
| 300W | 75W | 0.01~75K | ||||
| 500W | 200W | 0.01~82K | ||||