CMO22000GLFLT - TT Electronics/IRC

IRC Wire and Film Technologies Division

General Note

A subsidiary of

TT electronics plc

CMO Series Issue February 2007

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 printing.

Telephone: 828 264 8861 • Facsimile: 828 264 8866 • Website: www.irctt.com

• 736 Greenway Road Boone, North Carolina 28607-1860

Speciﬁcations

• Power ratings from 1/4W to 9W

• Stable performance in harsh environments

• Superior ﬂame retardant coating

• High purity ceramic core

• Meets EIA-RC2655A requirements

• Non-inductive type available

CMO Series

Commercial Grade Metal Oxide Resistor

IRC Type Power

Rating at

70°C (W)

Resistance

Range*

(Ohms)

Tolerance

(±%)

TCR

(±ppm/ºC)

Max.

Working

Voltage (V)

Max.

Overload

Voltage (V)

Dielectric

Withstanding

Voltage (V)

Standard Size

CMO-1/4 0.25 0.3 - 50K 2, 5, 10

350

250 400 250

CMO-1/2 0.5 0.3 - 50K 2, 5, 10 250 400 250

CMO-1 1 0.3 - 50K 2, 5, 10 350 600 350

CMO-2 2 0.3 - 50K 2, 5, 10 350 600 350

CMO-3 3 5 - 100K 2, 5, 10 500 800 500

CMO-5 5 5 - 150K 2, 5, 10 750 1000 750

CMO-7 7 20 - 150K 2, 5, 10 750 1000 750

CMO-8 8 30 - 200K 2, 5, 10 750 1000 750

CMO-9 9 50 - 200K 2, 5, 10 750 1000 750

Miniature Size

CMO-1/2S 0.5 0.3 - 50K 2, 5, 10

350

250 400 250

CMO-1S 1 0.3 - 50K 2, 5, 10 350 600 350

CMO-2S 2 0.3 - 50K 2, 5, 10 350 600 350

CMO-3S 3 0.3 - 50K 2, 5, 10 350 600 350

CMO-5SS 5 5 - 100K 2, 5, 10 500 800 500

CMO-5S 5 5 - 150K 2, 5, 10 500 800 500

IRC Wire and Film Technologies Division

General Note

A subsidiary of

TT electronics plc

CMO Series Issue February 2007

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 printing.

Telephone: 828 264 8861 • Facsimile: 828 264 8866 • Website: www.irctt.com

• 736 Greenway Road Boone, North Carolina 28607-1860

Environmental Performance

Short-time overload Standard Size, ∆R/R ≤ (±1%+0.05Ω), with no evidence of mechanical damage.

Miniature Size, ∆R/R ≤ (±2%+0.05Ω), with no evidence of mechanical damage.

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

Pulse overload Standard Size, ∆R/R ≤ (±2%+0.05Ω), with no evidence of mechanical damage.

Miniature Size, ∆R/R ≤ (±5%+0.05Ω), with no evidence of mechanical damage.

Terminal strength No evidence of mechanical damage.

Resistance to Soldering heat ∆R/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 ∆R/R ≤ (±2%+0.05Ω), with no evidence of mechanical damage.

Humidity (Steady state) ∆R/R ≤ (±2%+0.05Ω), with no evidence of mechanical damage.

Load life in humidity ∆R/R: ≤ ±5% for <100KΩ; ±10% for ≥100KΩ.

Load life ∆R/R: ≤ ±5% for <100KΩ; ±10% for ≥100KΩ.

Flame retardant No evidence of ﬂaming or arcing.

CMO Series

Commercial Grade Metal Oxide Resistor

General Note

A subsidiary of

TT electronics plc

CMO Series Issue February 2007

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 printing.

Telephone: 828 264 8861 • Facsimile: 828 264 8866 • Website: www.irctt.com

• 736 Greenway Road Boone, North Carolina 28607-1860

IRC Wire and Film Technologies Division

CMO Series

Commercial Grade Metal Oxide Resistor

Dimensions (mm)

• Standard gray base color for standard size product; Blue color for miniature size product

• Standard non-ﬂammable coating

H L H

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

Standard Size CMO-1/4 2.5 7.5 0.6 28

CMO-1/2 4.0 10.0 0.6 28

CMO-1 5.0 12.0 0.7 28

CMO-2 5.5 16.0 0.8 28

CMO-3 6.5 17.5 0.8 28

CMO-5 8.5 26.0 0.8 38

CMO-7 8.5 32.0 0.8 38

CMO-8 8.5 41.0 0.8 38

CMO-9 8.5 54.0 0.8 38

Miniature Sizes CMO-1/2S 3.0 7.5 0.6 28

CMO-1 4.5 10.0 0.7 28

CMO-2 5.0 12.0 0.7 28

CMO-3 5.5 16.0 0.8 28

CMO-5SS 6.5 17.5 0.8 28

CMO-5S 8.0 25.0 0.8 38

IRC Wire and Film Technologies Division

General Note

A subsidiary of

TT electronics plc

CMO Series Issue February 2007

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 printing.

Telephone: 828 264 8861 • Facsimile: 828 264 8866 • Website: www.irctt.com

• 736 Greenway Road Boone, North Carolina 28607-1860

Ordering Data

Sample Part No. CMO 2 1001 J LF AMMO

IRC Type

Power rating

(See specs table)

Resistance Value (EIA 4-digit code)

(≥100Ω - First 3 significant digits

plus 4th digit multiplier)

Example: 100Ω = 1000;

1000Ω = 1001

150KΩ = 1503

100

Ω - “R” is used to

designate decimal)

Example:

10Ω = 51R0;

1Ω = 1R00

0.25Ω = R250

Tolerance (EIA format)

G = ±2%

J = ±5%

K = ±10%

RoHS- compliance

LF = RoHS compliant construction

Packaging

BLK = bulk packaging

AMMO = ammo packaging

LT = lead tape

TR = tape and reel

Temperature Rise Chart

Rated load (%)

Temperature rise (C)

250

200

150

100

7W, 8W, 9W

1/4W, 1/2W

25 50 75

-55°C

Derating Curve

100

70°C

MOR 1/4W~1/2W

CMO 1/4W-1/2W

MOR 1W~9WCMO 1W-9W

130°C 235°C

Ambient temperature (°C)

Percent rated load (%)

-60 -40 -20 0 20 40 60 80 100 120 140 160 180 200 240

Performance Curves

Specify type, resistance, tolerance, RoHS-Compliance

and packaging. This example is for a Metal Oxide Resistor,

2-watt, 1000Ω resistor.