特性
Characteristics | 规格
Limits | 试验方法
Test methods |
阻值及阻值允许偏差
resistance and resistance tolerance | 1Ω≤R±5%（J) , 1Ω>R±10%（K） | JIS-C-5202 5-1 |
额定负荷
Power rating load | 表面高温度: 5~200W≤275℃
the highest temperature on the surface | JIS-C-5202 5-4 |
短时过负荷
Short-time overload | 无可见损伤，ΔR≤±（2%R+0.05Ω）
no evidence of mechanical damage | JIS-C-5202 5-5 10倍 5秒
1000% rated power 5 seconds |
绝缘电阻
Insulation resistance | R≥100MΩ 1min | JIS-C-5202 5-6 DC500V |
耐电压
Dielectric withstanding voltage | 无可见损伤，无飞弧击穿 ΔR≤±（0.1%R+0.05Ω）
no evidence of mechanical damage or insulation breakdown | JIS-C-5202 5-7 |
电阻温度特性
Temperature coefficient | ±260PPM/℃ | JIS-C-5202 5-2 b |
端子强度
Terminal strength | 无松动或机械损伤
not loosely and no evidence of mechanical damage | JIS-C-5202 6-1(2) |
电阻体强度
Resistor strength | 无可见损伤
no evidence of mechanical damage | JIS-C-5202 6-2 |
耐振性
Vibration | 无可见损伤，ΔR≤±（0.1%R+0.05Ω）
no evidence of mechanical damage | JIS-C-5202 6-3
1.5mm 10~55 Hz/ 1Minute |
可焊性
Solderability | 新焊锡覆盖率为95%以上
95% coverage min. | JIS-C-5202 6-5
270℃ 5 seconds |
特性
Characteristics | 规格值
Limits | 试验方法
Test methods |
耐热性
Heat resistance | 除端子外无明显变和损伤，标志清晰
no deterioration of protective coatings or markings | JIS-C-5202 7-2
350℃ 2hours |
热冲击
Thermal shock | 无可见机械损伤
no evidence of mechanical damage | JIS-C-5202 7-3
额定负载30分钟后-55℃温度下15min
After 30minutes rating load , 55℃ 15mintues |
耐湿性
Humidity | 无可见损伤，标志清晰，ΔR≤±（3%R+0.05Ω），绝缘电阻≥10MΩ
no deterioration of protective coatings or markings | JIS-C-5202 7-5 DC100 40℃ 95%RH 500hours |
耐久性 (额定负载)
Humidity Load life | 外观无可见损伤，标志清晰，ΔR≤±（3%R±0.05Ω）
no evidence of mechanical damage
no deterioration of protective coatings or markings | JIS-C-5202 7-10 负荷 rated power load 90 min ON 30 min OFF 500hours |