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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

Commercial Grade Power

Axial Wirewound Resistor

CCW Series

BI Technologies IRC Welwyn

07.14

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.

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www.ttelectronics.com/resistors

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