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CFS
CARBON FILM RESISTOR

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Features
• SMD style carbon resistor
• cylindrical design multi-directional mounting
• easy soldering due to specially plated electrodes
• electrodes strength is higher than flat chip resistors
• lower current noise than thick film flat chip resistors
• suitable for reflow, flow and iron soldering

 Applications
• automotive
• telecommunications
• medical equipment
• consumer Products

GENERAL SPECIFICATIONS

Model

Power Rating
at 70
C

Operating Temp. Range

Max. Operating
Voltage

Max. Overload
Voltage

Resistance Range

▽2%

▽5%

0204

1/4W

-55 to +155C

250V

500V

1目-1M目

0207

1/2W(1W)

300V(350V)

600V(700V)

1目-1M目

0309

1W(2W)

350V

700V

1目-1M目

CHARACTERISTICS                                                  Values in [ ] mean change in ohmic value after test

Short Time
Overload

汁R▽1%

RCWV*2.5 or Max. overload voltage for 5 sec.

Endurance

汁R▽3%

70▽2C, Max. working voltage for 1000hrs with
1.5hrs ※ON§ and 0.5hrs ※OFF§

Damp Heat
with Load

汁R▽5%

40▽2C, 90to95% R.H. Max. working voltage for
1000hrs with 1.5hrs §ON§ and 0.5hrs ※OFF§

Dry
Heat

汁R▽2%

At +155C for 1000hrs

Soldering
Ability

95% min. coverage

245▽5C for 3sec.

Resistance to
Soldering Heat

汁R▽1%

260▽5C for 10sec.

DIMENSIONS

Model

L

白D

K
min.

Weight(g)
(1000pcs)

Packaging

180mm

330mm
13§

CFS0204

3.50▽0.2

1.40▽0.15

0.5

19

3000EA

-

CFS0207

5.90▽0.2

2.20▽0.20

0.5

81

2000EA

-

CFS0309

8.50▽0.2

3.20▽0.20

0.5

95

2500EA

2500EA

 CONSTRUCTION

1

Insulation Coating

2

Trimming Line

3

Ceramic Rod

4

Electrode Cap

5

Resistor Layer

6

Marking

DERATING CURVE

ORDERING PROCEDURE EXAMPLE

Copyright©, RARA Electronics Corporation
Tel:82-32-817-4325 Fax:82-32-817-4329

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