Wire Wound Resistor (RW Series)
RWU =STANDARD¡@RWS =MINIATURIZED

 

FEATURES :

   
The RW series are coated with flame-proof silicon-base    
formulation.    
Stable long life.    
Small size are good for high density application.    

 

CHARACTERISTICS¡G
ITEM
SPEC
REMARKS

Load life under high temperature

¡Ó5%

JIS C 5201-1¡@¡@Rated voltage at 70¢J for 1,000 hours

(4.25.1)¡@¡@¡@¡@

Load life under high humidity

¡Ó5%

JIS C 5201-1¡@¡@Rated voltage at 40¢J,95% RH for 1,000 hours

(4.24)¡@¡@¡@¡@¡@

Temp. coeff. of resistance

R>1£[. ¡Ó300ppm/¢J
R¡Ø1£[. ¡Ó500ppm/¢J

JIS-C-5202 5.2¡@ Room temp. + 100¢J

¡@¡@¡@¡@¡@¡@¡@¡@

Short time overload

¡Ó1%

JIS C 5201-1¡@¡@6.25 times the rated power for 5 seconds

(4.13)¡@¡@¡@¡@¡@

Temperature cycling

¡Ó1%

JIS C 5201-1¡@¡@5 cycles for ¡V25¢J¡Ó3¢J(30min)¡Froom temp.

(4.19)¡@¡@¡@¡@¡@ (30min)~ +85¢J¡Ó3¢J(30min) room temp.(30min)

Resistance to soldering heat

¡Ó1%

JIS C 5201-1¡@¡@260¢J¡Ó5¢J for 10 seconds(²k¿ü¼Ñ)

(4.18)¡@¡@¡@¡@¡@ 350¢J¡Ó10¢J for 3.5 seconds(¤â²k¿ü)

Insulation resistance

>1,000M£[

JIS C 5201-1¡@¡@500 V Insulation test 1min

(4.6.1.1)¡@¡@¡@¡@

 

DERATING CURVE

Various type of forming & taping are available
 
Coating color¡GRWU,gray¡FRWS,pink¡C
 

 

 

RATING¡G

Model

Rated
Power
(W)

Resistance Range (W)            

Dielectric
Withstanding
Voltage

Dimension (mm)

L

D £p

£d

d £p

RWP 1W

P1W

0.05¡ã150

250V

6.0¡Ó0.5

2.4¡Ó0.1

28¡Ó3

0.6¡Ó0.05

RWU1/2W

RWS1W

1/2W

S1W

0.05¡ã150

350V

9.0¡Ó0.5

3.3¡Ó0.5

30¡Ó3

0.6¡Ó0.05

RWP 2W

P2W

RWU1W

RWS2W

1W

S2W

0.05¡ã330

500V

12

4.5¡Ó0.5

38¡Ó3

0.8¡Ó0.05

RWP 3W

P3W

RWU2W

RWS3W

2W

S3W

0.05¡ã 680

500V

16

5.5¡Ó0.5

38¡Ó3

0.8¡Ó0.05

RWU3W

RWS5W

3W

S5W

0.05¡ã1K

500V

25

8.5¡Ó0.5

38¡Ó3

0.8¡Ó0.05

RWS7W

7W

0.05¡ã15K

500V

25

8.5¡Ó0.5

38¡Ó3

0.8¡Ó0.05

RWS10W

10W

0.05¡ã27K

500V

44 (MAX)

8 (MAX)

38¡Ó3

0.8¡Ó0.05

 

 

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