Non-Inductive Resistor (NW NM Series)

NWU¡BNMU =STANDARD¡@¡@NWS¡BNMS =MINIATURIZED

FEATURES :

   
The series are coated with flame-proof silicon-base    
formulation.    
Stable long service life.    
Small size are good for high density application    
Very low inductance value (Under 1£gH)    

 

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

NW¡GR>1. ¡Ó300ppm/oC¡F¡Ø1. ¡Ó500ppm/oC

NM¡G<100K¡Ó300ppm/oC¡F¡Ù100K¡Ó200ppm/oC

JIS C 5201-1¡@¡@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.(30min)

(4.19)¡@¡@¡@¡@¡@ ~ +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

>100M£[

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

(4.6.1.1)¡@¡@¡@¡@

 

DERATING CURVE

 

Various type of forming & taping are available

Coating color¡GNWU/NMU,gray¡FNWS/NMS,pink

 

 

 

RATING¡BDIMENSIONS

Model

Power

Rating

(W)

Resistance

Range

Dielectric

Withstanding

Voltage

Dimension ¤Ø¤o (mm)

NW

NM

L

D£p

£d

d£p

NWU1/2W

NMU1/2W

1/2

0.05£[¡ã22£[

2£[¡ã12M£[

350V/500V

9.0¡Ó0.5

3.3¡Ó0.5

30¡Ó3

0.6¡Ó0.05

NWS1W

NMS1W

1

0.05£[¡ã22£[

2£[¡ã12M£[

350V/500V

9.0¡Ó0.5

3.3¡Ó0.5

30¡Ó3

0.6¡Ó0.05

NWU1W

NMU1W

1

0.05£[¡ã47£[

2£[¡ã12M£[

350V/500V

12

4.5¡Ó0.5

38¡Ó3

0.8¡Ó0.05

NWS2W

NMS2W

2

0.05£[¡ã47£[

2£[¡ã12M£[

350V/500V

12

4.5¡Ó0.5

38¡Ó3

0.8¡Ó0.05

NWU2W

NMU2W

2

0.05£[¡ã100£[

2£[¡ã14M£[

350V/500V

16

5.5¡Ó0.5

38¡Ó3

0.8¡Ó0.05

NWS3W

NMS3W

3

0.05£[¡ã100£[

2£[¡ã14M£[

350V/500V

16

5.5¡Ó0.5

38¡Ó3

0.8¡Ó0.05

NWU3W

NMU3W

3

0.05£[¡ã220£[

500£[¡ã1M£[

350V/500V

25

8.5¡Ó0.5

38¡Ó3

0.8¡Ó0.05

 

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