产品名称: | RX24铝壳电阻 | |||||
型号规格: | |
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产品类别: | 常规产品 -- 低压电器 -- 低压电阻器 | |||||
参考价格: | 厂价直销 | |||||
产品品牌: | 国产 | |||||
产品产地: | 上海 | |||||
可供数量: | 批量 | |||||
供货周期: | 现货(或电询) | |||||
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产品简介: |
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型号 |
250℃下额定功率(W)带散热板 |
外形尺寸(mm) |
重量(g) | ||||||||||||
电 阻 体 |
标准散热板(铝) | ||||||||||||||
Amax |
B | Lmax | Hmax | C | l | l1 | M | N |
Ф1 |
Ф2 |
表面积cm2 | 厚度(mm) | |||
RX24 | 5 | 155 | 16 | 36.5 | 8 | 8.5 | 11.4 | 12 | 4.4 | 1.5 | 1.5 | 2.2 | 415 | 1 | 3 |
10 | 19.5 | 21 | 40.5 | 10 | 11.2 | 14 | 16 | 5 | 2 | 2 | 2.5 | 415 | 6 | ||
20 | 27 | 27 | 48.0 | 13 | 14.3 | 18.3 | 20 | 7 | 2 | 2 | 3.5 | 535 | 11 | ||
30 | 34 | 29 | 55.0 | 15.5 | 16.3 | 25 | 22 | 7.3 | 2 | 2 | 3.5 | 535 | 18 | ||
50 | 50 | 29 | 71 | 15.5 | 16.3 | 40 | 22 | 7.3 | 2 | 2 | 3.5 | 995 | 30 | ||
75 | 65.5 | 48 | 86.5 | 26 | 27 | 23.5 | 37 | 11.5 | 3.5 | 3 | 4.4 | 995 | 3 | 90 | |
100 | 98 | 48 | 119 | 26 | 27 | 35 | 37 | 11.5 | 3.5 | 3 | 4.4 | 995 | 160 | ||
150 | 130 | 48 | 151 | 26 | 27 | 35 | 37 | 11.5 | 3.5 | 3 | 4.4 | 995 | 240 | ||
RXG24 | 75 | 65.5 | 48 | 93.5 | 26 | 27 | 23.5 | 37 | 11.5 | 3.5 | M3 | 4.4 | 995 | 90 | |
100 | 98 | 48 | 126 | 26 | 27 | 35 | 37 | 11.5 | 3.5 | M3 | 4.4 | 995 | 160 | ||
150 | 130 | 48 | 158 | 26 | 27 | 52 | 37 | 11.5 | 3.5 | M3 | 4.4 | 995 | 240 | ||
200 | 92 | 73 | 132 | 45 | 46.5 | 35 | 58 | 21 | 5 | M6 | 5.5 | 3750 | 420 | ||
250 | 112 | 73 | 152 | 45 | 46.5 | 45 | 58 | 21 | 5 | M6 | 5.5 | 4765 | 480 | ||
300 | 130 | 73 | 170 | 45 | 46.5 | 51 | 58 | 21 | 5 | M6 | 5.5 | 5780 | 580 | ||
500 | 204 | 73 | 244 | 45 | 46.5 | 87 | 58 | 21 | 5 | M6 | 5.5 | 8500 | 970 |
型 号 | 额定功率(W) | 阻值范围(Ω) | 阻值允许偏差(%) | 温度系数 (×10-6/℃) | 绝缘电压(V) | 最高过负荷电压(V) | |
带散热板 | 不带散热板 | ||||||
RX24 | 5 | 3 | 0.01Ω~1KΩ |
F(±1%) D(±5%) |
±100 ±50 |
1000 | 1500 |
10 | 8 | 0.01Ω~1.5KΩ | |||||
20 | 12.5 | 0.01Ω~7.5KΩ | |||||
30 | 15 | 0.01Ω~10KΩ | |||||
50 | 20 | 0.01Ω~15KΩ | |||||
RXG24 | 75 | 45 | 0.01Ω~20KΩ | 2000 | 3000 | ||
100 | 50 | 0.01Ω~24KΩ | |||||
150 | 55 | 0.01Ω~30KΩ | |||||
200 | 55 | 0.01Ω~36KΩ | |||||
250 | 60 | 0.01Ω~39KΩ | |||||
300 | 75 | 0.01Ω~47KΩ | |||||
500 | 200 | 0.01Ω~51KΩ |
检验项目 | 性能要求 | 试验方法 |
电阻温度系数 |
≤±100(×10-6/℃) |
-55℃/+20℃ 20℃/+125℃ |
引出端强度 |
R≤±(1%R+0.05Ω) |
拉力40N |
耐电压 | 无击穿或飞弧 | 交流电压,其峰值为绝缘电压的1.42倍,1min |
可焊性 | 焊料能自由流动并与引线润湿 |
235±5℃ 2±0.5s |
耐焊接热 |
ΔR≤±(1%R+0.05Ω) |
260±5℃ 10±1s |
过载 |
ΔR≤±(1%R+0.05Ω) |
5倍额定功率 5s |
温度快速变化 |
ΔR≤±(1%R+0.05Ω) |
-55℃/+125℃ 5次循环 |
振动 |
ΔR≤±(1%R+0.05Ω) |
10~500Hz 98m/s2 |
表面温升 |
≤275℃ | VR |
耐脉冲 | ΔR≤±(0.2%R+0.05Ω) | MIL-STD-202 100g,6毫秒10次 |
长期负荷 |
ΔR≤±(1%R+0.05Ω) |
+25±2℃ VR 1000h |
稳态湿热 |
ΔR≤±(1%R+0.05Ω) |
+40±2℃ 湿度95~93% 240h |
RX24铝壳电阻