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Fixed Metal Film Resistors Products Metal Film Resistors Features Low temperature coefficient ,high precision ,and good high frequency performance .Operating ambient temperature:-55°C +155°C .Film the metal in Vacuum ,the surface coating is green resin with the good waterproof . Resistance tolerance:±1%,±5%.Part No. Power Resistance tolerance Dimensions Max. working Voltage Max. overload voltage Max. insulation voltage L±1 D±0.5 d±0.05 CMF016 MFR016 1/8W 1/4W 0R 22M 3.5 1.7 0.41 150V 300V 300V CMF014S MFR014S 1/4WS 0R 22M 3.5 1.7 0.41 150V 300V 300V CMF014 MFR014 1/4W 0R 22M 6.0 12.3 0.45 250V 500V 500V 0.52 CMF12S MFR12S 1/2WS 0R 22M 6.0 2.3 0.45 250V 500V 500V 0.52 MFR012 1/2W 0R1 22M 9.0 3.2 0.58 350V 700V 700V MFR01S 1WS 0R1 22M 9.0 3.2 0.58 350V 700V 700V MFR01B 1W 0R1 22M 11.0 4.5 0.75 500V 1000V 1000V MFR02S 2WS 0R1 22M 11.0 4.5 0.75 500V 1000V 1000V MFR02B 2W 0R1 22M 15.0 5.0 0.75 500V 1000V 1000V MFR03S 3WS 0R1 22M 15.0 5.0 0.75 500V 1000V 1000V MFR03B 3W 0R1 22M 24.0 8.0 0.75 700V 1200V 1000V MFR05S 3WS 0R1 22M 24.0 8.0 0.75 700V 1200V 1000V Test ItemTest ConditionPerformanceTemperature Coefficient The resistance value at normal temperature and normal temperature added 100°C, calculate per °C resistance value change rate. ±300ppm/°CShort Time overload 10×rated voltage or Max. overload voltage(get the lower) for 5 seconds. R≤±(0.5%+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≤±(1%+0.05Ω) Resistance to soldering Heat Immerge into the 350±10°C tin stove for 2 3seconds. R≤±(0.5%+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≤±(0.5%+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≤±(2%+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≤±(2%+0.05Ω)