CMF1/43092FLFTR - IRC / TT Electronics

Commercial Grade

Metal Film Resistor

CMF Series

www.bitechnologies.com www.irctt.com www.welwyn-tt.com

General Note

TT electronics reserves the right to make changes in product speciﬁcation without notice or liability.

All information is subject to TT electronics’ own data and is considered accurate at time of going to print.

07.13

· Metal ﬁlm resistor

· Conformal coating

· Power ratings from 1/8W to 3W

· Resistance range from 10Ω to 1MΩ

General Note

IRC reserves the right to make changes in product speciﬁ cation 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

• 4222 South Staples Street • Corpus Christi Texas 78411 USA

Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com

Commercial Grade

Metal Film Resistor

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 0.125

10 - 1M 1 100

200 400 400

CMF-1/4 0.25 250 500 500

CMF-1/2 0.5 350 700 700

CMF-1 1 500 1000 1000

CMF-2 2 500 1000 1000

CMF-3 3 500 1000 1000

CMF Series

• Metal film resistor

• Conformal coating

• Power ratings from 1/8W to 3W

• Resistance range from 10Ω to 1MΩ

Environmental Data

Short-time overload ΔR/R ≤(±0.5% + 0.05Ω), with no evidence of mechanical damage.

Dielectric withstanding voltage No evidence of ﬂ ashover, mechanical damage, arcing or insulation breakdown.

Terminal strength No evidence of mechanical damage.

Resistance to Soldering heat ΔR/R ≤(±1% + 0.05Ω), with no evidence of mechanical damage.

Pulse Overload ΔR/R ≤(±1% + 0.05Ω), with no evidence of mechanical damage.

Solderability Minimum 95% coverage.

Resistance to solvent No deterioration of protective coating and markings.

Temperature cycling ΔR/R ≤(±1% + 0.05Ω), with no evidence of mechanical damage.

Load life in humidity Standard type: ΔR/R ±3% for <100KΩ, ±5% for ≥100KΩ;

Load life Standard type: ΔR/R ±1.5% Flame retardant type: R/R ±5%

CMF Series Issue May 2009 Sheet 1 of 3

General Note

IRC reserves the right to make changes in product speciﬁ cation 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

• 4222 South Staples Street • Corpus Christi Texas 78411 USA

Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com

Commercial Grade

Metal Film Resistor

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 0.125

10 - 1M 1 100

200 400 400

CMF-1/4 0.25 250 500 500

CMF-1/2 0.5 350 700 700

CMF-1 1 500 1000 1000

CMF-2 2 500 1000 1000

CMF-3 3 500 1000 1000

CMF Series

• Metal film resistor

• Conformal coating

• Power ratings from 1/8W to 3W

• Resistance range from 10Ω to 1MΩ

Environmental Data

Short-time overload ΔR/R ≤(±0.5% + 0.05Ω), with no evidence of mechanical damage.

Dielectric withstanding voltage No evidence of ﬂ ashover, mechanical damage, arcing or insulation breakdown.

Terminal strength No evidence of mechanical damage.

Resistance to Soldering heat ΔR/R ≤(±1% + 0.05Ω), with no evidence of mechanical damage.

Pulse Overload ΔR/R ≤(±1% + 0.05Ω), with no evidence of mechanical damage.

Solderability Minimum 95% coverage.

Resistance to solvent No deterioration of protective coating and markings.

Temperature cycling ΔR/R ≤(±1% + 0.05Ω), with no evidence of mechanical damage.

Load life in humidity Standard type: ΔR/R ±3% for <100KΩ, ±5% for ≥100KΩ;

Load life Standard type: ΔR/R ±1.5% Flame retardant type: R/R ±5%

CMF Series Issue May 2009 Sheet 1 of 3

NOT RECOMMENDED

FOR NEW DESIGNS

Commercial Grade

Metal Film Resistor

CMF Series

www.bitechnologies.com www.irctt.com www.welwyn-tt.com

General Note

TT electronics reserves the right to make changes in product speciﬁcation without notice or liability.

All information is subject to TT electronics’ own data and is considered accurate at time of going to print.

07.13

• 4222 South Staples Street • Corpus Christi Texas 78411 USA

Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com

Physical Data

Commercial Grade

Metal Film Resistor

CMF Series Issue May 2009 Sheet 2 of 3

Dimensions (mm)

IRC Type D (max.) L (max.) d (±0.02) H (±3)

Standard Size CMF-1/8 1.85 3.5 0.5 28

CMF-1/4 2.5 6.8 0.6 28

CMF-1/2 3.5 10.0 0.6 28

CMF-1 5.0 12.0 0.7 28

CMF-2 5.5 16.0 0.8 28

CMF-3 6.5 17.5 0.8 28

NOT RECOMMENDED FOR NEW DESIGNS

Commercial Grade

Metal Film Resistor

CMF Series

www.bitechnologies.com www.irctt.com www.welwyn-tt.com

General Note

TT electronics reserves the right to make changes in product speciﬁcation without notice or liability.

All information is subject to TT electronics’ own data and is considered accurate at time of going to print.

07.13

• 4222 South Staples Street • Corpus Christi Texas 78411 USA

Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com

Commercial Grade

Metal Film Resistor

Sample Part No.

IRC Type

CMF - Metal Film Resistor

Power Rating

(See specs table)

Resistance Value (EIA 4-digit code)

(≥100Ω - First 3 signiﬁ cant digits plus 4th digit multiplier)

Example: 100 ohms = 1000, 1000 ohms = 1001

(>100Ω - "R" is used to designate decimal)

Example: 10Ω = 10R0, 1Ω = 1R00, 51Ω = 51R0

Tolerance

F = ±1%; G = ±2%; J = ±5%

RoHS- compliance

LF = RoHS compliant construction

Packaging

TR = tape and reel only

Ordering Data

CMF - 1 1001 F LF TR

Specify type, resistance, tolerance, RoHS-Compliance and packaging.

This example is for a Metal Film Resistor, 1-watt, 1000Ω resistor.

Derating Curve

-55°C +70°C +155°C

-60 -30 0 30 60 90 120 150 180

100

Ambient Temperature (°C)

Percent Rated Load (%)

Hot Spot Temperature Curve

25 50 75 100

200

150

100

CMF-200

CMF-100

CMF-50

CMF-25

CMF-12

CMF Series Issue May 2009 Sheet 3 of 3

Measuring position

NOT RECOMMENDED FOR NEW DESIGNS

Mouser Electronics

Authorized Distributor

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