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Products
产品
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Metal Oxide Film Fixed Resistors (MOR/CMO)
金属氧化膜固定电阻器
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Features
特点
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1. Good performance in moisture resistance, small size, anti-oxidization ,good thermal stability, nonflammability, overload
stability.
耐温、抗氧化、热稳定性好、不燃性、超负载稳定性好。
2. Operating ambient temperature:-55°C ~ +155°C.
使用环境温度。
3. The surface is nonflammable ,the normal size coating is brick red
and the small size coating is green.
表面涂不燃性面漆，本体为砖红色，小型化为绿色。
4. Resistance tolerance阻值误差: ±2%, ±5%.
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Part No.
料号
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Power
功率
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Resistance
range
阻值范围
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Max.
working
voltage最大工作电压
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Max.
overload
voltage
最大负荷电压
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Max.
pulse
voltage
最高脉冲电压
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Max.
Insulation
Voltage
最高绝缘
电压
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CMO016
MOR016
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1/8W
1/6W
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0R~1M
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150V
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300V
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300V
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200V
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CMO14S
MOR14S
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1/4WS
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0R~1M
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150V
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300V
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300V
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200V
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CMO014
MOR014
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1/4W
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0R~1M
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200V
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400V
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500V
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250V
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CMO12S
MOR12S
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1/2WS
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0R~1M
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200V
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400V
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500V
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250V
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CMO012
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1/2W
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0R1~1M
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250V
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400V
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500V
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250V
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MOR01S
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1WS
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0R1~1M
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350V
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600V
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750V
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350V
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CMO01B
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1W
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0R1~1M
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350V
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600V
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750V
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350V
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MOR02S
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2WS
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0R1~1M
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350V
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600V
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750V
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350V
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MOR02B
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2W
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0R1~1M
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350V
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600V
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750V
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350V
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MOR03S
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3WS
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0R1~1M
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350V
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600V
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750V
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350V
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MOR03B
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3W
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0R1~1M
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500V
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800V
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1000V
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500V
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MOR05S
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5WS
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0R1~1M
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500V
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800V
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1000V
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500V
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Note
备注
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1.“S” means small size, 功率后面的“S”表示小型化。
3.If the calculated rated voltage is higher than Max.
working voltage, it will be got the lower value.
当计算得出的额定电压大于最大工作电压，使用时取二者较小值。
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Test Item
测试项目
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Test Condition 测试条件
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Performance
性能
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Temperature
Coefficient
温度系数
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The resistance value at normal temperature and normal
temperature added 100°C, calculate per °C resistance value change rate. 在常温及常温+100°C时分别测量电阻值并计算每度的阻值变化。
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±350ppm/°C
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Short Time overload
短时间过负荷
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10×rated voltage or Max. overload voltage(get the lower) for 5 seconds. 施加10倍额定功率的电压或最高负荷电压（取较小者）5秒。
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R≤±(1%R0+0.05Ω)
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Pulse overload
断续过负荷
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At 4×rated voltage or Max. pulse overload voltage(get the lower)cycle 10000±200times(1second on,25 seconds off).4倍额定电压或最高负荷断续电压（取较小者）测试1秒，停25秒，循环10000±200次。
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R≤±(2%R0+0.05Ω)
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Resistance to
soldering
Heat
耐焊接热
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Immerge into the 350±10°C tin stove for 2~3seconds. 在350±10°C锡炉中浸入2~3秒。
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R≤±(1%R0+0.05Ω)
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Solderability
可焊性
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Immerge into the 245±3°C tin stove for 2~3seconds. 在245±3°C锡炉中浸入2~3秒。
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The soldering area
is over 95%焊锡面积覆盖率达95%以上
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Temperature cycling
温度循环
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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。
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R≤±(1%R0+0.05Ω)
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Load life in humidity
耐湿负荷寿命
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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. 在温度为40±2°C，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（通电0.5小时，断电0.5小时）
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R≤±(5%R0+0.05Ω)
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Load life in heat
耐温负荷寿命
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R≤±(5%R0+0.05Ω)
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