CF Series are the earliest and a still popular type made by breaking down hydrocarbon gases at high temperature in a vacuum to form a carbonic deposit on the surface of a cylindrical substrate. Trimming to value is accomplished by the cutting of spiral grooves. The material is painted on the substrate in a spiral pattern and cured at a moderately elevated temperature. Token offers competitive prices and widely used in the electronics, and consumer electrical industries.
carbon,resistors

General Specifications
Precision Resistors
Type Dimension (mm) Maximum
Working
Voltage
Maximum
Overload
Voltage
Resistance Tolerance
CFN CFS L D H d±0.05 ± 2%(G) ± 5%(J)
1/8 W . 3.2±0.2 1.5±0.2 26±1 0.40~0.45 200 400 10Ω-470K 1Ω-4.7M
1/6 W 1/4 W 3.2±0.2 1.5±0.2 26±1 0.40~0.45 200 400 1Ω-10M 0.5Ω-22M
1/4 W 1/2 W 6.2±0.5 2.3±0.3 26±1 0.40~0.50 250 500 1Ω-10M 0.5Ω-22M
1/3 W 1/2 W 8.5±0.5 2.8±0.3 26±1 0.50~0.55 250 500 1Ω-10M 0.5Ω-22M
1/2 W 1 W 9.0±0.5 3.0±0.5 26±1 0.50~0.55 350 700 1Ω-10M 0.5Ω-22M
1 W 2 W 11±1.0 4.0±0.5 35±3 0.75~0.80 500 1000 1Ω-10M 0.5Ω-22M
2 W 3 W 15±1.0 5.0±0.5 35±3 0.75~0.80 500 1000 1Ω-10M 0.5Ω-22M
3 W 5 W 17±1.0 6.0±0.5 35±3 0.75~0.80 500 1000 1Ω-10M 0.5Ω-22M

Electrical Performance
Test Items Condition Spec
Operating Temp.range -55°C ~ +155°C.  
Short Time Over Load 2.5 Times of rated voltage for 5sec. ± 1%
Load Life 70 °C on-off cycle 1,000hrs. ± 5%
Moisture-Proof Load Life 40 °C 95% RH on-off cycle 1,000hrs ± 5%
Soldering After Resistance 350 °C for 3sec. ± 0.5%
Temperature Cycle -30 °C~85 °C 5cycles ± 2%
Resistance Temperature Coefficient 1Ω~22KΩ
22KΩ~510KΩ
510KΩ~1MΩ
1MΩ~2.2MΩ
2.2MΩ~5.1MΩ
± 300PPM / °C
± 450PPM / °C
± 800PPM / °C
± 1000PPM / °C
± 1400PPM / °C

How to Order
CFN 0.125W 220R J TB
Part Number
CFN
CFS
Rated Power
(W)
Resistance Value
(Ω)
1R
2R2 2.2Ω
22R 22Ω
220R 220Ω
22K 22KΩ
22M 22MΩ
Resistance Tolerance
(%)
G ±2%
J ±5%
Package
TB Taping Box


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