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Products | Nonflammable Wirewound Painting Resistors (KNP/NKNP) | |||||||||||
Features |
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Dimensions 尺寸规格/KN B | ||||||||||||
Power | Dimension(mm) 尺寸 | Resistance range | Dielectric | |||||||||
D±0.5 | L±1 | C±1 | d±0.05 | KN | NKN | |||||||
1/2W | 3.5 | 9 | 25 | 0.65 | 0.1-150 | 0.05-10 | 300V | |||||
1W | 4.5 | 10.5 | 30 | 0.78 | 0.1-250 | 0.05-10 | 300V | |||||
2W | 5 | 15 | 30 | 0.78 | 0.1-300 | 0.05-15 | 350V | |||||
3W | 6 | 17.5 | 38 | 0.78 | 0.1-1K | 0.05-22 | 400V | |||||
5W | 8 | 24 | 30 | 0.78 | 0.1-1.5K | 0.05-33 | 500V | |||||
6W | 8 | 24 | 30 | 0.78 | 0.1-2K | 0.05-47 | 500V | |||||
7W | 8 | 33 | 30 | 0.78 | 0.1-3K | 0.05-47 | 500V | |||||
8W | 8 | 39 | 30 | 0.78 | 0.1-3.3K | 0.05-47 | 500V | |||||
10W | 8 | 43 | 30 | 0.78 | 0.1-3.6K | 0.05-47 | 500V | |||||
KN Z | ||||||||||||
Power | Dimension(mm) 尺寸 | Resistance range(Ω) | Dielectric | |||||||||
L±0.5 | D±0.5 | W±1 | H±1 | a±0.05 | b±0.1 | NKN | ||||||
5W | 25 | 9 | 14 | 23 | 4.5 | 3 | 0.1-1.5k | 500V | ||||
6W | 25 | 9 | 14 | 23 | 4.5 | 3 | 0.1-2k | 500V | ||||
7W | 33 | 9 | 22 | 23 | 4.5 | 3 | 0.1-3k | 500V | ||||
8W | 38 | 9 | 27 | 23 | 4.5 | 3 | 0.1-3.3k | 500V | ||||
10W | 43 | 9 | 32 | 23 | 4.5 | 3 | 0.1-3.6k | 500V | ||||
Note: We can accord customer’s requirements to customize the other fusing characteristics resistors. | ||||||||||||
Test Item | Test Condition | Performance | ||||||||||
Temperature Coefficient | The resistance value at normal temperature and normal temperature added 100°C, calculate per °C resistance value change rate. |
±300ppm/°C | ||||||||||
Short Time overload | 10×rated voltage or Max. overload voltage(get the lower) for 5 seconds. |
ΔR≤±(2%R0+0.05Ω) | ||||||||||
Pulse overload | At 4×rated voltage or Max. pulse overload voltage(get the lower)cycle 10000±200times(1second on,25 seconds off).4倍额定电压或负荷断续电压(取较小者)测试1秒,停25秒,循环10000±200次。 |
ΔR≤±(1%R0+0.05Ω) | ||||||||||
Resistance to soldering Heat 耐焊接热 | Immerge into the 350±10°C tin stove for 2~3seconds. |
ΔR≤±1%R0 | ||||||||||
Solderability | Immerge into the 245±3°C tin stove for 2~3seconds. | The soldering area is over 95% | ||||||||||
Temperature cycling | At -55°C for 30 min. ,then at+25°C for 10~15°C,then at +125°C for 30 min., then at +25°C for 10~15 min., total 5cycles. 在-55°C时放置30分钟,然后在+25°C时放置10~15分钟,然后再在+275°C时放置30分钟,接着在+25°C时放置10~15分钟,共循环5次。 |
ΔR≤±(1%R0+0.05Ω) | ||||||||||
Load life in humidity | Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 40±2°C and 90~95% relative humidity. |
ΔR≤±(5%R0+0.05Ω) | ||||||||||
Load life in heat | Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 70±2°C. 在温度为70±2°C的恒温恒湿箱中,施加额定电压或工作电压(取较小者)共1000小时(通电0.5小时,断电0.5小时) |
ΔR≤±(5%R0+0.05Ω) |