NRSN Anti-Pulse Non-Inductive Resistors
  • NRSN Anti-Pulse Non-Inductive ResistorsNRSN Anti-Pulse Non-Inductive Resistors

NRSN Anti-Pulse Non-Inductive Resistors

NRSN Anti-Pulse Non-Inductive Resistors Features: 1.Excellent pulse characteristics. 2.Flameproof painting, resistant to heat & solvents. 3.Very low inductance ( less than 1 H ).

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Product Description

NRSN Anti-Pulse Non-Inductive Resistors



Products 

 NRSN Anti-Pulse Non-Inductive Resistors

Features

1.Excellent pulse characteristics.

2.Flameproof painting, resistant to heat & solvents.

3.Very low inductance ( less than 1 H ).




Electrical And Mechanical Performance of NRSN Anti-Pulse Non-Inductive Resistors​:


Characteristics

Standards

Test Methods

Resistance Tolerance

±5%(J)or ±2%(G)

-

Resistance Temp. Coeff.

±300 ppm/°C

-55°C~155°C

Power Rating Load

Surface temp. 235°C Max.△R/R^±1%

Rated voltage for 30 minutes

Short Time Overload

±1%


2.5 times of rated voltage for 5 seconds.

 

Dielectric Withstanding Voltage

No evidence of mechanical damage or insulation breakdown.

 

Max. Working Voltage for 1 min.

Insulation Resistance

1.000MQ

DC 100V megger

Terminal Strength

No evidence of mechanical damage.

< 1/2W:1 kg

> 1W: 2 kg

Solder-ability

Minimum95%coverage

235±5°C for 2 seconds

Resistance to Soldering Heat

No evidence of mechanical damage.△R/R  ± 1%

270±5°C for 10 ± 1 seconds 350±10°C for 3.5 ±0.5 seconds




Environmental Characteristics of NRSN Anti-Pulse Non-Inductive Resistors​:


Characteristics

Standards

Test Methods

Temp. Cycle

△ R/R±1%

-55°C( 30 min.) —► Room Temp.( 3 min.) —►+155°C(30 min.)

—► Room Temp.( 3 min.)/( 5 cycles)

Load Life

△R/R±5%

Rated power load 90 minutes ON 30 minutes OFF

70°C 1000 hours

Moisture-proof Load Life

R/R±5%

Rated power load 90 minutes ON 30 minutes OFF

40°C95%RH 500 hours

Nonflammability

not flamed

16 times of rated wattage for 5 min.




Dimensions of NRSN Anti-Pulse Non-Inductive Resistors​:


Rated Wattage

D±1

L±1

H±3

d±0.1

Resistance

Range(Q)

Max. Working Voltage

Max. Overload Voltage

1/4W

2.6±0.5

6.8

28

0.6

0.22〜200K

250V

400V

1/2W

3.0

9

28

0.65

0.22〜200K

300V

400V

1W

4.5

11

28

0.8

0.22〜200K

350V

600V

2W

5.0

15

28

0.8

0.22~200K

350V

600V






Derating Curve of NRSN Anti-Pulse Non-Inductive Resistors​:


For resistors operated in ambient temperatures above 70 ,power rating must be derated in accordance with the curvebelow.






Surface Temperature Rise of NRSN Anti-Pulse Non-Inductive Resistors​:

 





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