1、 阻值低,最低电阻可以达到0.005Ω。Lower resistance value,the least can be meet 0.005Ω.
2、 使用环境温度: Operating ambient temperature: -55℃~ 155℃
3、 可根据客户要求制作特殊成型。Can be according to customers requirement toforming the special type.
4、 阻值误差Resistance tolerance:±1%、±5%、±10%。
测试项目 Test Item | 测试条件Test Condition | 性能Performance |
温度系数 Temperature coefficient | 在常温及常温 100℃时分别测量电阻并计算每度的阻值变化率。Test the resistance value at normal temperature and normal temperature added100℃,calculate per℃ resistance value change rate . | ±5~50ppm/℃ |
耐焊接热 Resistance to soldering heat | 在350±10℃锡炉中浸入2~3秒。 Immerge into 350±10℃ tin stove for 2~3 seconds. | ΔR≤±(0.5%R0 0.05Ω) |
可焊性 Solderability | 在245±3℃锡炉中浸入2~3秒。 Immerge into 245±3℃ tin stove for 2~3 seconds. | 焊锡面积覆盖95%以上 The area of soldering is over 95% |
温度循环 Temperature cycling | 在-55℃时放置30分钟,然后在 25℃时放置10~15分钟,然后再在 125℃时放置30分钟,然后在 25℃时放置10~15分钟,共循环5次。At -55℃for 30 min, then at 25℃for 10~15 min, then at 125℃for 30 min, then at 25℃for 10~15 min, total 5 cycles. | ΔR≤±(0.5%R0 0.05Ω) |
耐湿负荷寿命 Load life in humidity | 在温度为40±2℃,相对湿度为90~95%的恒温恒湿箱中,施加额定电压或最大工作电压(取较小者)共1000小时(通1.5小时,断0.5小时)。Overload rated voltage or Max.working voltage (get the lower) for 1000 hours (1.5 hours on and half-hour off ) at the 40±2℃ and 90~95% relative humidity. | ΔR≤±(2%R0 0.05Ω) |
耐温负荷寿命 Load life in heat | 在70±2℃恒温恒湿箱中施加额定电压或最大工作电压(取较小者)1000小时(通1.5小时,断0.5小时)。Overload rated voltage or Max.working voltage (get the lower ) for 1000 hours (1.5 hours on and half-hour off) at the 70±2℃. | ΔR≤±(2%R0 0.05Ω) |
成型Forming Type | 尺寸Dimensions(mm) | ||
L±1 | H±1 | d±0.05 | |
T52 | 52 | 0.45~0.58 | |
T26 | 26 | 0.45~0.58 | |
B | 1~60 | 0.45~1.00 | |
M | 3~40 | 5或8 | 0.45~1.00 |