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CMF Datasheet, PDF (1/3 Pages) IRC - a TT electronics Company. – Commercial Grade Metal Film Resistor
Commercial Grade
Metal Film Resistor
CMF Series
• Metal film resistor
• Conformal coating
• Power ratings from 1/8W to 3W
• Resistance range from 10Ω to 1MΩ
Electrical Data
IRC Type
Power
Rating at
70°C (W)
Standard Size
CMF-1/8
CMF-1/4
CMF-1/2
CMF-1
CMF-2
CMF-3
0.125
0.25
0.5
1
2
3
Resistance
Range
(Ohms)
Tolerance
(±%)
TCR
(±ppm/°C)
10 - 1M
1
100
Max.
Working
Voltage (V)
Max.
Overload
Voltage (V)
Dielectric
Withstanding
Voltage (V)
200
400
400
250
500
500
350
700
700
500
1000
1000
500
1000
1000
500
1000
1000
Environmental Data
Short-time overload
Dielectric withstanding voltage
Terminal strength
Resistance to Soldering heat
Pulse Overload
Solderability
Resistance to solvent
Temperature cycling
Load life in humidity
Load life
ΔR/R ≤(±0.5% + 0.05Ω), with no evidence of mechanical damage.
No evidence of flashover, mechanical damage, arcing or insulation breakdown.
No evidence of mechanical damage.
ΔR/R ≤(±1% + 0.05Ω), with no evidence of mechanical damage.
ΔR/R ≤(±1% + 0.05Ω), with no evidence of mechanical damage.
Minimum 95% coverage.
No deterioration of protective coating and markings.
ΔR/R ≤(±1% + 0.05Ω), with no evidence of mechanical damage.
Standard type: ΔR/R ±3% for <100KΩ, ±5% for ≥100KΩ;
Standard type: ΔR/R ±1.5% Flame retardant type: R/R ±5%
General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
© IRC Advanced Film Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
A subsidiary of
TT electronics plc
CMF Series Issue May 2009 Sheet 1 of 3