Fixed Carbon Film Resistor (RD Series) 



FEATURES :

General lead-type resistor
Stable long life
Automatic insertion is applicable.

CHARACTERISTICS：
ITEM
SPEC
REMARKS

Load life under high temperature

 ±5% JIS-C-5202 7.10

Rated voltage at 70℃ for 1,000 hours

Load life under high humidity

 ±5% JIS-C-5202 7.9

Rated voltage at 40℃, 95% RH for 1,000 hours

Temp. coefficient of resistance

 Within specified T.C.R. JIS-C-5202 5.2

Room temp. + 100℃

Short time overload

±1%

 JIS-C-5202 5.5

6.25 times the rated power for 5 seconds

Intermittent overload

 

 

 

 

 

±1%

 

 

 

 

 

 

Rated voltage x Y or Max. intermittent overload voltage for 1,000 cycles, whichever less. (JISC-5202 5.8)

Max. intermittent overload voltage

 

RDU1/6W

RDS1/4W
RDU1/4W
RDS1/2W
RDU1/2W
500V
750V
1,000V
1,100V
The Y magnification
3
4
4
4

 

Temperature cycling

 ±1%

JIS-C-5202 7.4

5 cycles for –55℃ ~ +85℃

Immersion in solder

 ±1% JIS-C-5202 6.4

350℃ for 3 seconds

Solderability

95% Coverage min.

 JIS-C-5202 6.5

245℃ for 3 seconds

Insulation resistance

 >1,000MΩ JIS-C-5202 5.6

100 volt megger

For resistors operated in ambient temperature over 70℃, power rating must be derated in accordance with the curve left.

  Fixed Carbon Film Resistor  



Coat-Insulated type: RD Series


DIMENSIONS：
AXIAL LEAD TYPE：

Model

Rated

Power

(W)
Dimensions (mm)
L
D φ
ι
d φ
RDU1/6W
1/6
3.5±0.5
1.7±0.3
27±2
0.45±0.05
RDS1/4W
1/4
3.5±0.5
1.7±0.3
27±2
0.45±0.05
RDU1/4W
1/4
6.0±0.5
2.3±0.3
27±2
0.52±0.05
RDS1/2W
1/2
6.0±0.5
2.3±0.3
27±2
0.52±0.05
RDU1/2W
1/2
9.0±1.0
3.2±0.5
27±2
0.60±0.05


TAPING TYPE：

Type
Dimensions (mm)
W
P
L
T
Z
R
A26
26±1
5±0.5
MAX.1.0
6±0.5
MAX.1.2
0
A52
52±1
5±0.5
MAX.1.0
6±0.5
MAX.1.2
0

S : maximum 0.8 mm for all ratings

t : minimum 3.2 mm for all ratings

Coating color: RDS1/2W pink, other's yellow.

 


RATING：

Model

Power

Rating

(W)

Resistance

Range

E-24

(Ω) J (±5%)
Temp. Coefficient of Resistance (ppm/℃)

Maximum

Working

Voltage

Maximum

Overload

Voltage

Dielectric

Withstanding

Voltage

+350 ~ -450
0 ~ -700
0 ~ -1000
0 ~ -1500
RDU1/6W
1/6
2.2~1M
2.2Ω~47KΩ
51KΩ~100KΩ
110KΩ~330KΩ
360KΩ~1MΩ
250V
400V
300V
RDS1/4W
1/4
2.2~1M
2.2Ω~47KΩ
51KΩ~100KΩ
110KΩ~330KΩ
360KΩ~1MΩ
250V
400V
300V
RDU1/4W
1/4
2.2~5.1M
2.2Ω~100KΩ
110KΩ~330KΩ
360KΩ~1MΩ
1.1MΩ~5.1MΩ
300V
600V
500V
RDS1/2W
1/2
2.2~5.1M
2.2Ω~91KΩ
100KΩ~1.5MΩ
1.6MΩ~5.1MΩ
-------
300V
600V
500V
RDU1/2W
1/2
2.2~5.1M
2.2Ω~100KΩ
110KΩ~1MΩ
1.1MΩ~2.2MΩ
2.4MΩ~5.1MΩ
350V
700V
700V

 

 

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