g Axial Type Resistor
CF SERIES

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CF SERIES
CARBON FILM FIXED RESISTOR
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STANDARD TYPE CF(1/6W,1/4W,1/3W,1/2W,1W,2W,3W)

FEATURES:
g SPEC PER IEC 115-1, 115-4, MIL-R-10509, JIS 6402.
g STANDARD TOLERANCE:± 2%(G) & ± 5%(J)

CONSTRUCTION

A) CERAMIC CORE (HIGH CONDUCTIVITY)
B) CARBON FILM (HIGH STABILITY)
C) END CAP (TINNED IRON)
D) EPOXY RESIN (INSULATIVE LACQUER, SOLVENT-PROOF)
E) COLOR CODE PER IEC & EIA STANDARDS (4 RINGS)
F) TINNED COPPER WIRE (RELIABLE SOLDERABILITY)

   DIMENSIONS
TYPE NO.
DIMENSIONS
watt
L ± mm
D ± 0.5mm
d ± 0.05mm
H ±3.0mm
CF16
1/6W
3.4 ± 0.5
1.7
0.45
28
CF20
1/4W
3.4 ± 0.5
1.7
0.45
28
CF25
1/3W
6.5 ± 0.5
2.3
0.6
27
CF50
1/2W
9.0 ± 1.0
3.2
0.6
27
CF51
1/2W
8.5 ± 1.0
2.7
0.6
27
CF100
1W
11.0 ± 1.0
4.3
0.8
35
CF200
2W
15.0 ± 1.0
4.8
0.8
35
CF300
3W
24.0 ± 1.0
7.8
0.8
38

SPECIAL SIZES, VALUES AND SPECIFICATIONS NOT LISTED AVAILABLE ON SPECIAL ORDER.

 
   CHARACTERISTICS:

POWER ATED ( 70°C)

ITEM

CF16
1/6W
CF20
1/4W
CF25
1/3W
CF50
CF51
1/2W
CF100
1W
CF200
2W
CF300
3W
MAX WORKING
VOLTAGE
200V
200V
250V
350V
500V
500V
500V
MAX OVERLOAD
VOLTAGE
400V
400V
500V
700V
1000V
1000V
1000V
MAX
INTERMITTENCE
OVERLOAD VOLTAGE
500V
500V
750V
1000V
1500V
1500V
1500V
DIELECTRIC WITHSTANDING
VOLTAGE
300V
300V
500V
700V
1000V
1000V
1000V
RESISTANCE
TOLERANCE
± 2(G)
± 5(J)
± 2(G)
± 5(J)
± 2(G)
± 5(J)
± 2(G)
± 5(J)
± 2(G)
± 5(J)
± 2(G)
± 5(J)
± 2(G)
± 5(J)
RESISTANCE RANGE
MIN
1R
1R
1R
1R
1R
1R
1R
MAX
4M7
4M7
10M
10M
4M7
4M7
4M7

   NOTE:RATED CONTINUOUS WORKING VOLTAGE (RCWV) SHALL BE DETERMINED FROM
   RCWV =

   PERFORMANCE SPECIFICATIONS :
CHARACTERISTIC
SPECIFICATIONS
TEST METHODS
DC RESISTANCE
J (± 5%)
AT 25°C
T.C.R.
CF16/CF20 CF25/CF50/CF51 CF100/CF200/CF300 RESISTANCE
VALUE ATROOM
TEMPERATURE
ANDROOM
TEMPERATURE+100°C
± 300PPM/°C
LESS THAN 33K LESS THAN 33K LESS THAN 56K
-500PPM/°C
36K-330K 36K-330K 68K-470K
-700PPM/°C
360K-470K 360K-470K 510K-1M
-1000PPM/°C
510K-910K 510K-1M OVER THAN 1M
-1500PPM/°C
OVER THAN 910K OVER THAN 1M  
SHORT TIME
OVER LOAD
± (1% ± 0.05R)
2.5 TIME RCWV
5 SEC.
INSULATION
RESISTANCE
1000M OR MORE
V-BLOCK
LOAD LIFE
± (5% ± 0.05R)
70°C, 1000 HRS.
LOAD LIFE IN
HUMIDITY
± (5% ± 0.05R)
40°C, 90-95%RH,
1000 HRS.
TEMPERATURE
CYCLING
± (1% ± 0.05R)
-25°C / 105°C ,
5 CYCLING.
RESISTANCE TO
SOLDERING HEAT
± (1% ± 0.05R)
350°C, 3.5 SEC.
260°C, 10 SEC.
SOLDERABILITY
95% COVERAGE MINIMUM
235°C, 2 SEC.
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