TOKEN
CF Carbon Film Resistors
Carbon Film Resistors
Carbon Film Resistors are Cost-Effective Option
Preview
Providing design engineers with an economical power resistor with high quality performance, Token Electronics
now offers commercial grade low power carbon film resistors.
Designated the CF series, the resistors are available in both standard CFN and miniature CFS sizes, the
conformally coated resistors offer high quality performance for applications that do not require surge protection
or precision tolerances.
The commercial grade carbon CF series is available in flame retardant packaging and have ideal specifications
for consumer electronic or electrical devices. The CF devices offer a wide resistance range for devices
with power ratings up to 3W in standard CFN size, and 5W in miniature CFS sizes, delivering high quality
performance for general purpose applications.
The CF series resistors are ideal for general use applications including electrical equipment, small appliances
and consumer electronics, such as televisions and other high-volume products. The CF series feature standard
tolerances is G (±2%) and J (±5%), with a resistance range from 0.5Ω to 22MΩ.
All CF series devices are RoHS-compliant, and compatible with high temperature soldering processes normally
employed for lead free solders. Also, CF resistors are available in various forming styles and different leads for
different applications. Contact us with your specific needs.
Features
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Tolerances: G (±2%), J (±5%)
Power wattages up to 5W at +25°C
Lead (Pb)-free and RoHS compliant
Operating temperature range: -55°C~+155°C
Axial leaded type, high power at small sizes
Consumer Electronic
Telecommunications
Household Appliances
Automotive, Computer, Instrumentation
Applications
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Dimensions & Specifications (Unit: mm)
Trimming Line
CF Carbon Film Resistors
Ceramic Core
d
Marking
H
Type
CF
1/8 W
1/6 W
1/4 W
1/3 W
1/2 W
1W
2W
3W
CFS
.
1/4 W
1/2 W
1/2 W
1W
2W
3W
5W
L
3.2±0.2
3.2±0.2
6.2±0.5
8.5±0.5
9.0±0.5
11±1.0
15±1.0
17±1.0
Coating
Dimension (mm)
D
1.5±0.2
1.5±0.2
2.3±0.3
2.8±0.3
3.0±0.5
4.0±0.5
5.0±0.5
6.0±0.5
H
26±1
26±1
26±1
26±1
26±1
35±3
35±3
35±3
Resistive
Film
End
Cap
Lead
Wire
L
Maximum
Working
Voltage
200
200
250
250
350
500
500
500
D
Maximum
Resistance Tolerance
Overload
± 2%(G)
± 5%(J)
Voltage
400
10Ω-470K 1Ω-4.7M
400
1Ω-10M 0.5Ω-22M
500
1Ω-10M 0.5Ω-22M
500
1Ω-10M 0.5Ω-22M
700
1Ω-10M 0.5Ω-22M
1000
1Ω-10M 0.5Ω-22M
1000
1Ω-10M 0.5Ω-22M
1000
1Ω-10M 0.5Ω-22M
d±0.05
0.40~0.45
0.40~0.45
0.40~0.50
0.50~0.55
0.50~0.55
0.75~0.80
0.75~0.80
0.75~0.80
Electrical Performance
Test Items
Operating Temp.range
Short Time Over Load
Load Life
Moisture-Proof Load Life
Soldering After Resistance
Temperature Cycle
Condition
-55°C ~ +155°C
2.5 Times of rated voltage for 5sec.
70 °C on-off cycle 1,000hrs.
40 °C 95% RH on-off cycle 1,000hrs
350 °C for 3sec.
-30 °C~85 °C 5cycles
1Ω~22KΩ
22KΩ~510KΩ
510KΩ~1MΩ
1MΩ~2.2MΩ
2.2MΩ~5.1MΩ
Spec
± 1%
± 5%
± 5%
± 0.5%
± 2%
± 300PPM / °C
± 450PPM / °C
± 800PPM / °C
± 1000PPM / °C
± 1400PPM / °C
Resistance Temperature Coefficient
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