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DATA SHEET
CARBON FILM RESISTORS
General Purpose
CFR Series
±2%, ±5%
1/6W to 3W
RoHS compliant & Halogen Free
Product specification – August 13, 2021 V.0
Through Hole Resistors
Product Specification
2
16
Carbon Film Resistors
CFR
ORDERING INFORMATION
Part number of the general purpose carbon film resistor are identified by
the series, power rating, tolerance, packing, temperature coefficient,
forming and resistance value.
PART NUMBER
CFR
(1)
200
(2)
J
(3)
T
(4)
-
(5)
73-
(6)
100R
(7)
APPLICATIONS
All general purpose
applications
Power applications
(1) SERIES NAME
CFR Series
(2) POWER RATING
-12 = 1/6W
25S = 1/4W
-50 = 1/2W
100 = 1W
2WS = 2W
200 = 2W
3WS = 3W
1WS = 1W
FEATURES
AEC-Q200 qualified
Wide resistance range
High stability
PPAP ready
(CFR-25/CFR50S)
RoHS compliant &
halogen-free
-25 = 1/4W
50S = 1/2W
(3) TOLERANCE
G = ±2%
(4) PACKAGING
R = Reel Pack
T = Box Pack
J = ±5%
B = Bulk
(5) TEMPERATURE COEFFICIENT OF RESISTANCE
- = Based on spec , please refer to page 4 Table 2 .
(6) FORMING
26- = 26mm
52- = 52.4mm
73- = 73mm
73G = 73mm, Φd≧0.6mm
26A = 26mm, Φd=0.4±0.02mm
26C = 26mm, Φd=0.5±0.02mm
26G = 26mm, Φd
≧
0.6mm
52A = 52.4mm, Φd=0.4±0.02mm
52B = 52.4mm, Φd=0.45±0.02mm
52C = 52.4mm, Φd=0.5±0.02mm
52G = 52.4mm, Φd
≧
0.6mm
52H = 52.4mm, non-painting on welding spot
(7) RESISTANCE VALUE
E24 Series
Example:
100R = 100Ω, 10K = 10,000Ω, 1M = 1,000,000Ω
M = M-Type Forming
MT = MT Type Forming
MB = M-form W/flat
FT = FT Type Forming
F = F Type
FK = FK Type
FFK = F-form Kink
FKK = FKK Type
PN = PANAsert
AV = AVIsert
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Aug. 13, 2021
V.0
Through Hole Resistors
Product Specification
3
16
Carbon Film Resistors
CFR
DIMENSIONS
Unit: mm
Normal
CFR-12
CFR -25
CFR -50
CFR 100
CFR 200
Miniature
CFR 25S
CFR 50S
L
3.4 ± 0.3
6.3 ± 0.5
ψD
1.9 ± 0.2
2.4 ± 0.2
3.3 ± 0.3
H
28 ± 2.0
28 ± 2.0
26 ± 2.0
35 ± 2.0
33 ± 2.0
ψd
0.45 ± 0.05
0.55 ± 0.05
0.55 ± 0.05
0.8 ± 0.05
0.8 ± 0.05
CFR 1WS 9.0 ± 0.5
CFR 2WS 11.5 ± 1.0 4.5 ± 0.5
CFR 3WS 15.5 ± 1.0 5.0 ± 0.5
DERATING CURVE
Rated Power (%) 100
80
60
40
20
20
40
70
100
155
Ambient Temperature (
°
C)
ELECTRICAL CHARACTERISTICS
TABLE 1
CHARACTERISTICS
Power Rating
at 70 °C
Maximum Working
Voltage
Maximum Overload
Voltage
Voltage Proof on
Insulation
Resistance Range
Operating Temp.
Range
Temperature
Coefficient
CFR
-12
1/6W
150V
300V
300V
CFR
25S
1/4W
200V
400V
400V
CFR
-25
1/4W
250V
500V
500V
CFR
50S
1/2W
300V
600V
500V
CFR
-50
1/2W
350V
700V
500V
CFR
1WS
1W
400V
800V
700V
CFR
100
1W
500V
1000V
1000V
CFR
2WS
2W
500V
1000V
1000V
CFR
200
2W
500V
1000V
1000V
CFR
3WS
3W
500V
1000V
1000V
1Ω ~ 10MΩ for E24 series value
- 55°C to +155°C
see Table 2
Note: For resistance value out of above range is by request.
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Aug. 13, 2021
V.0
Through Hole Resistors
Product Specification
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16
Carbon Film Resistors
CFR
TABLE 2 TEMPERATURE COEFFICIENT
Temp. Coefficient ppm/°C
TYPE
Under 100KΩ
CFR100, CFR200, CFR2WS CFR3WS
CFR-12 , CFR-25 , CFR-50
CFR25S , CFR50S , CFR1WS
± 350
- 500 ~ +350
100K ~ 1MΩ
-500~0
-700~0
1M ~ 10MΩ
-1500~0
-1500~0
TEST AND REQUIRMENTS
TEST
Short Time Overload
TEST METHOD
IEC 60115-1 4.13
PROCEDURE
2.5 times RCWV for 5 sec.(Not more than
maximum overload voltage)
Voltage Proof on
Insulation
Temperature Coefficient
Insulation Resistance
Solderability
Solvent Resistance of
Marking
Robustness of
Terminations
Periodic-pulse Overload
IEC 60115-1 4.39
IEC 60115-1 4.16
Direct load for 10 Sec. in the direction of
the terminal leads
4 times RCWV(or Umax., whichever less)
10,000 cycles (1 Sec. on, 25 Sec.off)
Damp Heat Steady State
IEC 60115-1 4.24
40±2°C,90-95% RH for 56 days, loaded
with 0.1 times RCWV (or Umax.,
whichever less)
Endurance at 70°C
IEC 60115-1 4.25
70±2°C at RCWV(or Umax., whichever
less) for 1,000 Hr.(1.5 Hr.on,0.5 Hr. off)
Temperature Cycling
IEC 60115-1 4.19
-55°C
Room Temp.
Room Temp.(5 cycles)
Resistance to Soldering
Heat
IEC 60115-1 4.18
260±3°C for 10±1 Sec., immersed to a
point 3±0.5mm from the body
±1.0%+0.05Ω
+155°C
±1.0%+0.05Ω
±3.0%+0.05Ω
±3.0%+0.05Ω
±1.0%+0.05Ω
IEC 60115-1 4.8
IEC 60115-1 4.6
IEC 60115-1 4.17
IEC 60115-1 4.30
IEC 60115-1 4.7
In V-Block for 60 sec. test voltage as
above table
Between -55°C to +155°C
In V-Block for 60 sec.
245±5°C for 3±0.5 Sec.
IPA for 5±0.5 Min. with ultrasonic
By Type
>1,000MΩ
95% Min. coverage
No deterioration of
coatings and markings
≥2.5Kg(24.5N)
No Breakdown
APPRAISE
±0.75%+0.05Ω
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Aug. 13, 2021
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Through Hole Resistors
Product Specification
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16
Carbon Film Resistors
CFR
Note:.
RCWV (Rated Continuous Working Voltage ):
The DC or AC (rms) continuous working voltage corresponding to the rated power is determined by the following
formula:
V=√(P X R)
or max. working voltage whichever is less
Where
V=Continuous rated DC or
AC (rms) working voltage (V)
P=Rated power (W)
R=Resistance value (Ω)
PULSE DIAGRAMS
CFR-25~3WS Series: Pmax.: Maximum permissible peak pulse power
ti: Pulse duration
tp: Pulse repetition time
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