RATING AND AVAILABILITY
Type CF12 CF25S CF25 CF50S CF50 CF100S CF100 CF200S CF200
Power rating @ 70
o
C 0.125W 0.25W 0.25W 0.5W 0.5W 1W 1W 2W 2W
Max working voltage 150V 200V 250V 300V 280V 400V 450V 500V 500V
Max overload voltage 300V 400V 500V 500V 500V 800V 1000V 1000V 1000V
Dielectric withsanding voltage 300V 400V 500V 500V 500V 800V 1000V 1000V 1000V
DIMENSIONS
BODY LEADWIRE TYPE
(L) (D) (H) (d±0.03)
CF12 3.3 ±0.3 1.8 ±0.3 29±2 0.45
CF25S 3.3 ±0.3 1.8 ±0.3 29±2 0.45
CF25 6.3 ±0.5 2.3 ±0.3 28±2 0.55
CF50S 6.3 ±0.5 2.3 ±0.3 28±2 0.55
CF50 9.0 ±0.5 3.2 ±0.5 26±2 0.65
CF100S 9.0 ±0.5 3.2 ±0.5 26±2 0.65
CF100 11.5 ±1.0 4.5 ±0.5 35±2 0.78
CF200S 11.5 ±1.0 4.5 ±0.5 35±2 0.78
CF200 15.5 ±1.0 5.0 ±0.5 32±2 0.78
Rev. 7
FEATURES
Economically priced for commercial and industrial applications
Wide selection of power ratings and resistance values
EIA color coding
Resistance to industrial solvent
Standard tape & reel package
PART NUMBERING SYSTEMS
CF 25 103 J
TR
Meritek Series
Power Rating
CODE 12 25 50 100 200
0.125W 0.25W 0.5W 1W 2W
Resistance
First 2 digits are significant
3
rd
digit is multiplier
“R” indicates decimal for values below 10 ohm
Tolerance
Code G J K
±2% ±5% ±10%
Tape & Reel
REQUIREMENT PERFORMANCE
Operating Temp Range -55 to 155
o
C (derated at 70
o
C/see chart)
ppm/
o
C CF100S and <1W ≥1W
Under 100KΩ ±350ppm +350ppm~-500ppm
100KΩ - 1MΩ 0~-500ppm 0~-700ppm
Temperature
Cpefficient
(ppm/
o
C)
1MΩ - 4M7Ω 0~-1000ppm 0~-1500ppm
uV/V 0.125W 0.25W and over
0.1 1 ohm-10K ohm
0.3 1 ohm-10K ohm 11K ohm-91K ohm
0.5 11K ohm-91K ohm 100K ohm-1M ohm
Noise(uV/V)
1.0 100K ohm 1.1M ohm-10M ohm
Short Time Overload ∆R ≤ ±(0.75% + 0.05 ohm)
Temperature Cycling ∆R ≤ ±(0.5% + 0.05 ohm)
Soldering Effect ∆R ≤ ±(1% + 0.05 ohm)
Vibration ∆R ≤ ±(0.5% + 0.05 ohm)
R > 100K ∆R ≤ ±5% Moisture
Resistance
R ≤ 100K ∆R ≤ ±(3% + 0.05 ohm)
Load Life ±(3%+0.05 ohm)
Carbon Film Resistors
CF Series