Metal Oxide Film Fixed Resistors MORCMO

Products

Metal Oxide Film Fixed Resistors MOR/CMO

Features

1.Good performance in moisture resistance, small size, anti-oxidization ,good thermal stability, nonflammability, overload stability.

2.Operating ambient temperature:-55°C ~ +155°C.

3.The surface is nonflammable ,the normal size coating is brick red and the small size coating is green.

4.Resistance tolerance: ±2%, ±5%.

Part No.

Power

Resistance range

Dimensions（mm）

Max. working voltage

Max.
overload voltage

Max. 
pulse 
voltage

Max.
Insulation
Voltage

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

1.“S” means small size.
2.If the calculated rated voltage is higher than Max. working voltage, it will be got the lower value. 

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.

±350ppm/°C

Short Time overload

10×rated voltage or Max. overload       voltage(get the lower) for 5 seconds.

R≤±(1%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).

R≤±(2%R0+0.05Ω)

Resistance to soldering Heat

Immerge into the 350±10°C tin stove for 2~3seconds.

R≤±(1%R0+0.05Ω)

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.

R≤±(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.

R≤±(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.

R≤±(5%R0+0.05Ω)