• 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

Commercial Grade

Carbon Film Resistor

Sample Part No.

IRC Type

CCF - Standard size carbon film resistor

CCFM - Miniature size carbon film resistor

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 = 51R0; 1Ω = 1R00

Tolerance (EIA format)

G = ±2%

J = ±5%

K = ±10%

RoHS - Compliance

LF = RoHS compliant construction

Packaging

TR = tape & reel

AMMO = ammo packaging

Ordering Data

CCF

1/4

1000

J

LF

TR

Specify type, resistance, tolerance, RoHS-Compliance and

packaging. This example is for a Carbon Film Resistor, 0.5-watt,

1000

Ω resistor.

100

80

60

40

20

-30

0

30

60

Ambient Temperature (°C)

90 120 150 180

-55°C

+70°C

+155°C

-60

1K

10K

100K

1M

µV/v

0.32

0.1

0.03

0.01

Nominal resistance (

Ω)

100

Ω

0.003

Temperature Coefficient

Current Noise Level

Derating Curve

0

-200

-400

-600

-800

Nominal resistance (

Ω)

100

Ω

-1000

1K

10K 100K 1M

ppm/°C

CCF Series Issue August 2008 Sheet 3 of 3

OBSOLETE