4
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特性 CHARACTERISTICS
项目
Item
电阻温度系数
T. C. R
短时间过负载
Short Time Overload
包封绝缘阻抗
Coating Insulation Resistane
包封绝缘耐电压
Coating Insulation Withstand
Voltage
可焊性
Solderability
耐溶剂性
Resistance to Solvent
阻 然 性
Resistance to inflammation
标 准
Specifications
±100ppm/℃、±250ppm/℃
无可见损伤,No mechanical damage
ΔR≤±(2.0%R+0.05Ω)
跨接电阻 Jumper:R≤50mΩ
绝缘阻抗值大于100MΩ
100MΩ Min
无弧光,燃烧及本体被击穿
No arc, inflammation and damage
可焊面积≥95%
95%Cover Min
无可见损伤,No mechanical damage
ΔR≤±(1.0%R+0.05Ω)
跨接电阻 Jumper:R≤50mΩ
V-0
测试方法(JIS C 5202 标准)
Test Methods (JIS C 5202)
-55℃ ̄125℃ 30 ̄50分钟
-55℃ ̄125℃ 30 ̄50min
2.5倍额定电压或最大过负荷电压(取最小者)
保持5秒
2.5×Rated voltage or Max. Overload
Voltage, choose the lower , for 5 seconds
施加 500V DC
Apply 500V DC
施加500V DC 保持1min
Apply 500V DC 1min
235℃±5℃ 2±0.5秒
235℃±5℃ 2±0.5S
浸入三氯乙烯 10±1小时
Dip in chloroethylene for 10h±1h.
VL-94
引线强度
Pin strength
抗弯强度
Bending strength
振动试验
vibration
无可见损伤, No mechanical damage
ΔR≤±(1.0%R+0.05Ω)
跨接电阻 Jumper:R≤50mΩ
无可见损伤
No mechanical damage
无可见损伤,No mechanical damage
ΔR≤±(1.0%R+0.05Ω)
跨接电阻 Jumper:R≤50mΩ
将引线焊接在网络电阻的受试引出端后,拉力到500g止
Speed:10mm/s, pull strength:500g.
端子线末端负重0.5kg,使电阻器本体与端子线弯成90°,
保持5s,为一个循环,做2个循环
Force with 0.5kg on the terminal pin,between the
resistor and the terminal pin is 90 degree,duration:
5s for 1 cycle。 total 2 cycles
10HZ → 55HZ → 10HZ 1min 内完成,振幅1.55mm,
上述方法 X、Y、Z 三个方向各振动 2 小时
10HZ → 55HZ → 10HZ within 1 min,
swing:1.55mm, three directions for X、Y、Z for
2 hours
耐焊接热
Resistance to Soldering Heat
无可见损伤,No mechanical damage
ΔR≤±(1.0%R+0.05Ω)
跨接电阻 Jumper:R≤50mΩ
260℃±5℃ 10±1秒
260℃±5℃ 10s±1s
温度循环
Temperature Cycling 无可见损伤,ΔR≤±(1.0%R+0.05Ω)
No mechanical damage
-55℃(30分钟) ̄常温(15分钟) ̄125
℃(30分钟)5个循环
-55℃(30min) ̄normal temperature
(15min) ̄125℃(30min)5cycles