Products
产品

Metal Oxide Film Fixed Resistors (MOR/CMO)
金属氧化膜固定电阻器

Features
特点

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%.

Part No.
料号

Power
功率

Resistance range
阻值范围

Dimensions（mm）尺寸

Max. working voltagezui大工作电压

Max.
overload voltage
zui大负荷电压

Max. 
pulse 
voltage
zui高脉冲电压

Max.
Insulation
Voltage
zui高绝缘 
电压

L±1

D±0.5

d±0.5

CMO016
MOR016

1/8W
1/6W

0R~1M

3.2

1.7

0.41

150V

300V

300V

200V

CMO14S
MOR14S

1/4WS

0R~1M

3.2

1.7

0.41

150V

300V

300V

200V

CMO014
MOR014

1/4W

0R~1M

6.0

2.3

0.45

200V

400V

500V

250V

0.52

CMO12S
MOR12S

1/2WS

0R~1M

6.0

2.3

0.45

200V

400V

500V

250V

0.52

CMO012

1/2W

0R1~1M

9.0

3.2

0.52

250V

400V

500V

250V

MOR01S

1WS

0R1~1M

9.0

3.2

0.58

350V

600V

750V

350V

CMO01B

1W

0R1~1M

11.0

4.5

0.75

350V

600V

750V

350V

MOR02S

2WS

0R1~1M

11.0

4.5

0.75

350V

600V

750V

350V

MOR02B

2W

0R1~1M

15.0

5.0

0.75

350V

600V

750V

350V

MOR03S

3WS

0R1~1M

15.0

5.0

0.75

350V

600V

750V

350V

MOR03B

3W

0R1~1M

28.0

8.0

0.75

500V

800V

1000V

500V

MOR05S

5WS

0R1~1M

28.0

8.0

0.75

500V

800V

1000V

500V

Note
备注

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zui大工作电压，使用时取二者较小值。

Test Item 测试项目

Test Condition 测试条件

Performance 
性能

Temperature Coefficient
温度系数

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。

±350ppm/°C

Short Time overload
短时间过负荷

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zui高负荷电压（取较小者）5秒。

R≤±(1%R0+0.05Ω)

Pulse overload
断续过负荷

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zui高负荷断续电压（取较小者）测试1秒，停25秒，循环10000±200次。

R≤±(2%R0+0.05Ω)

Resistance to soldering Heat 耐焊接热

Immerge into the 350±10°C tin stove for 2~3seconds. 在350±10°C锡炉中浸入2~3秒。

R≤±(1%R0+0.05Ω)

Solderability
可焊性

Immerge into the 245±3°C tin stove for 2~3seconds. 在245±3°C锡炉中浸入2~3秒。

The soldering area is over 95%焊锡面积覆盖率达95%以上

Temperature cycling
温度循环

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。

R≤±(1%R0+0.05Ω)

Load life in humidity
耐湿负荷寿命

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zui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）

R≤±(5%R0+0.05Ω)

Load life in heat
耐温负荷寿命

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zui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）

R≤±(5%R0+0.05Ω)