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)
Resistance
Range
(Ohms)
Tolerance
(±%)
TCR
(±ppm/°C)
Max.
Working
Voltage (V)
Max.
Overload
Voltage (V)
Dielectric
Withstanding
Voltage (V)
Standard Size
CMF-1/8
CMF-1/4
CMF-1/2
CMF-1
CMF-2
CMF-3
0.125
0.25
0.5
10 - 1M
1
2
3
1
100
500
500
500
1000
1000
1000
1000
1000
1000
200
250
350
400
500
700
400
500
700
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.
A subsidiary of
TT electronics plc
CMF Series Issue May 2009 Sheet 1 of 3
© 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
IRCTT [ IRC - A TT ELECTRONICS COMPANY. ]
