• 4222 South Staples Street • Corpus Christi Texas 78411 USA

Wire and Film Technologies Division

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

Performance Curves

Sample Part No.

IRC Type

CCW - Power Axial Wirewound

Power rating

(see specs table)

Resistance Value (EIA 4-digit code)

(

≥100Ω - First 3 significant digits plus 4th digit multiplier)

Example: 100

Ω = 1000; 1000Ω = 1001

(>100

Ω - "R" is used to designate decimal)

Example: 10

Ω = 10R0; 1Ω = 1R00; 0.25Ω = R250

Tolerance (EIA format)

G = ±2%

J = ±5%

K = ±10%

RoHS - Compliance

LF = RoHS compliant construction

Packaging

BLK = bulk packaging

Ordering Data

CCW

2

1001

J

LF

BLK

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

This example is for a Power Axial Wirewound, 2-watt, 1000

Ω resistor.

Commercial Grade Power

Axial Wirewound Resistor

100

80

60

40

20

0

50

100 150

Ambient Temperature (°C)

200 250 300

+70°C

+155°C

+275°C

-55

200

150

100

50

0

50

100

Rated Load (%)

8W, 9W

5W, 7W

2W, 3W

1/2W, 1W

Derating Curve

Temperature Rise Chart

CCW Series Issue August 2008 Sheet 3 of 3