CF Series
Carbon Film Resistors
MERITEK
FEATURES
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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 (S)
1/4W
50 (S)
1/2W
100 (S) 200 (S)
1/8W
1W
2W
Resistance
First 2 digits are significant
3rd digit is multiplier
“R” indicates decimal for values below 10 ohm
Tolerance
Code
G
2ꢁ
J
5ꢁ
K
10ꢁ
Tape & Reel
Note: "S" in "CFXXS-" denotes small body size
RATING AND AVAILABILITY
TYPE
CF12
CF25S
CF25
CF50S
CF50
CF100S
CF100
CF200S
CF200
Power rating @ 70oC
Max working voltage
Max overload voltage
Dielectric withsanding voltage
1/8W
250V
500V
300V
1/4W
250V
500V
400V
1/4W
250V
500V
500V
1/2W
300V
500V
500V
1/2W
350V
700V
700V
1W
1W
2W
2W
400V
800V
800V
450V
1000V
1000V
500V
1000V
1000V
500V
1000V
1000V
DIMENSIONS
TYPE
BODY
LEADWIRE
REQUIREMENT
PERFORMANCE
-55 to 155oC (derated at 70oC/see chart)
(L)
(D)
(H)
(d 0ꢀ03)
Operating Temp Range
CF12
CF25S
CF25
CF50S
CF50
3ꢀ3 0ꢀ3
3ꢀ3 0ꢀ3
6ꢀ3 0ꢀ5
6ꢀ3 0ꢀ5
9ꢀ0 0ꢀ5
9ꢀ0 0ꢀ5
1ꢀ8 0ꢀ3
1ꢀ8 0ꢀ3
2ꢀ3 0ꢀ3
2ꢀ3 0ꢀ3
3ꢀ2 0ꢀ5
3ꢀ2 0ꢀ5
29 2
29 2
28 2
28 2
26 2
26 2
35 2
35 2
32 2
0ꢀ45
0ꢀ45
0ꢀ55
0ꢀ55
0ꢀ65
0ꢀ65
0ꢀ78
0ꢀ78
0ꢀ78
ppm/oC
1/4W
1/2W and over
Temperature
Cpefficient
(ppm/ oC)
0 to -450
0 to -700
0 to -1000
0 to -1300
uV/V
100K ohm
22K ohm
110K ohm-1M ohm
1ꢀ1M ohm-2ꢀ2M ohm
2ꢀ4M ohm-10M ohm
1/8W
24K ohm-470K ohm
510K ohm-2ꢀ2M ohm
2ꢀ2M ohm-10M ohm
1/4W and over
CF100S
CF100
11ꢀ5 1ꢀ0 4ꢀ5 0ꢀ5
CF200S 11ꢀ5 1ꢀ0 4ꢀ5 0ꢀ5
CF200 15ꢀ5 1ꢀ0 5ꢀ0 0ꢀ5
Noise(uV/V)
0ꢀ1
0ꢀ3
0ꢀ5
1ꢀ0
1 ohm-10K ohm
1 ohm-10K ohm
11K ohm-91K ohm
100K ohm
11K ohm-91K ohm
100K ohm-1M ohm
1ꢀ1M ohm-10M ohm
Short Time Overload
Temperature Cycling
Soldering Effect
Vibration
R = (1ꢁ ꢂ 0ꢀ05 ohm)
R = (0ꢀ5ꢁ ꢂ 0ꢀ05 ohm)
R = (1ꢁ ꢂ 0ꢀ05 ohm)
R = (0ꢀ5ꢁ ꢂ 0ꢀ05 ohm)
R = 5ꢁ
R = (3ꢁ ꢂ 0ꢀ05 ohm)
R = 3ꢁ
R = (2ꢁ ꢂ 0ꢀ05 ohm)
Moisture
Resistance
Load Life
R > 100K
100K
R > 100K
100K
R
R
Specifications are subject to change without notice.
rev.6