该类电阻器采用帽盖结构、轴向引线、涂漆*缘、色环标志,具有体积小、精度高、温度系数小、耐湿、耐热、阻值稳定*等特点,适用于各种交直流电路。
外形尺寸及特性: |
|
|
型号 |
70℃额 定功耗 W |
阻值范围 Ω |
阻值允许偏差 % |
电阻温度系数 10-6/℃ |
元件*限电压 (支流或交流*值) V |
*大尺寸mm |
d±0.05 mm |
L |
D |
a |
RJ13 |
0.167 |
10~1M |
±1、±5 |
±100 |
200 |
3.8 |
2.1 |
1.0 |
0.5 |
RJ14 |
0.25 |
4.7~2.2M |
±5 |
250 |
7.0 |
2.5 |
1.0 |
0.6 |
RJ15 |
0.5 |
10~3.3M |
350 |
10.5 |
3.9 |
1.5 |
0.6 |
RJ16 |
1 |
10~10M |
±1、±5 |
±250 |
500 |
13.0 |
4.5 |
2.0 |
0.8 |
RJ17 |
2 |
10~10M |
750 |
16.0 |
6.5 |
2.0 |
0.8 |
RJ14S |
0.25 |
51~1M |
±0.5、±1、±5 |
±100 |
250 |
3.8 |
2.1 |
1.0 |
0.5 |
RJ15S |
0.5 |
4.7~2.2M |
350 |
7.0 |
2.5 |
1.0 |
0.6 |
RJ16S |
1 |
10~3.3M |
500 |
10.5 |
3.9 |
1.5 |
0.6 |
RJ24A |
0.25 |
100~510K |
±0.1、±0.5、±1 |
±25 |
250 |
7.0 |
2.5 |
1.0 |
0.6 |
51~1M |
±0.5、±1 |
±50 |
4.7~2.2M |
±1 |
±100 |
RJ25A |
0.5 |
100~1M |
±0.1、±0.5、±1 |
±25 |
350 |
10.5 |
3.9 |
1.5 |
0.6 |
51~2.3M |
±0.5、±1 |
±50 |
10~3.3M |
±1 |
±100 | |
|
|
性能指标: |
项目 |
试验条件 |
性能要求 |
RJ13、RJ14、RJ15、 RJ16、RJ17 RJ14S、RJ15S、RJ16S |
RJ24A、RJ25A |
可焊性 |
槽焊法,(235±5)℃ (2±0.5)s |
焊料自由流动并与引线润湿 |
过 载 |
2.5倍额定电压或 2倍元件* 限电压(取较小者),5s |
△R≤±(0.5%R+0.05Ω) |
△R≤±(0.25%R+0.05Ω) |
温度快速变化 |
-55℃~125℃,五次循环 |
△R≤±(0.5%R+0.05Ω) |
△R≤±(0.25%R+0.05Ω) |
振 动 |
10~500Hz,0.75mm 或98m/s2(取其较小者),6h |
△R≤±(0.5%R+0.05Ω) |
△R≤±(0.25%R+0.05Ω) |
气候顺序 |
干热、循环湿热、寒冷、低气 压循环湿热、直流负荷 |
△R≤±(2%R+0.1Ω) |
△R≤±(1%R+0.1Ω) |
70℃耐久性 |
直流额定电压,1.5h通, 0.5h断,1000h |
△R≤±(2%R+0.1Ω) |
△R≤±(1%R+0.05Ω) |
稳态湿热 |
(40±2)℃,93+2-3%, 直流负荷,56天 |
△R≤±(2%R+0.1Ω) |
△R≤±(1%R+0.1Ω) |
上限类别温度 耐久性 |
125℃,1000h |
△R≤±(2%R+0.1Ω) |
△R≤±(1%R+0.1Ω) | |