無感電阻器 (NW NM Series)

NWU、NMU =STANDARD 一般品  NWS、NMS =MINIATURIZED 小型品

FEATURES :

  特性:
The series are coated with flame-proof silicon-base   使用不燃性塗料,具不燃與絕緣之安全特性.
formulation.   長期穩定性佳.
Stable long service life.   小型化能高密度插裝.
Small size are good for high density application   超低電感量 ( 1μH以下)
Very low inductance value (Under 1μH)    

 

CHARACTERISTICS 性 能:
ITEM 項 目
SPEC 規 格
REMARKS 備 註

Load life under high temperature

高溫負荷壽命

±5%

JIS C 5201-1  Rated voltage at 70℃ for 1,000 hours

(4.25.1)     額定電壓70℃ 1,000 小時

Load life under high humidity

耐濕負荷壽命

±5%

JIS C 5201-1  Rated voltage at 40℃,95% RH for 1,000 hours

(4.24)      額定電壓40℃,95% RH 1,000小時

Temp. coeff. of resistance

溫度係數

NW:R>1. ±300ppm/oC;≦1. ±500ppm/oC

NM:<100K±300ppm/oC;≧100K±200ppm/oC

JIS C 5201-1  Room temp. + 100℃

        室溫 + 100℃

Short time overload

短時間過負荷

±1%

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

(4.13)      6.25倍額定功率 5 秒

Temperature cycling

溫度循環

±1%

JIS C 5201-1 5 cycles for –25℃±3℃(30min);room temp.(30min)

(4.19)      ~ +85℃±3℃(30min) room temp. (30min)

Resistance to soldering heat

焊錫耐熱

±1%

JIS C 5201-1  260℃±5 ℃ for 10 seconds(焊錫槽)

(4.18)      350℃±10 ℃ for 3.5 seconds(手焊錫)

Insulation resistance

絕緣電阻

>100MΩ

JIS C 5201-1  500 V Insulation test 1min

(4.6.1.1)     500 V絕緣測試電壓1分鐘

 

DERATING CURVE 額定功率下降曲線

 

Various type of forming & taping are available
提供插裝的造型與帶裝
Coating color:NWU/NMU,gray;NWS/NMS,pink

塗裝顏色:NW/NWU灰色;NWS/NMS淡紅色

 

 

 

RATING、DIMENSIONS 額 定、尺 寸

Model

型名

Power

Rating

額定功率

(W)

Resistance

Range

阻值範圍

Dielectric

Withstanding

Voltage

耐電壓

Dimension 尺寸 (mm)

NW

NM

L

ι

NWU1/2W

NMU1/2W

1/2

0.05Ω∼22Ω

2Ω∼12MΩ

350V/500V

9.0±0.5

3.3±0.5

30±3

0.6±0.05

NWS1W

NMS1W

1

0.05Ω∼22Ω

2Ω∼12MΩ

350V/500V

9.0±0.5

3.3±0.5

30±3

0.6±0.05

NWU1W

NMU1W

1

0.05Ω∼47Ω

2Ω∼12MΩ

350V/500V

12

4.5±0.5

38±3

0.8±0.05

NWS2W

NMS2W

2

0.05Ω∼47Ω

2Ω∼12MΩ

350V/500V

12

4.5±0.5

38±3

0.8±0.05

NWU2W

NMU2W

2

0.05Ω∼100Ω

2Ω∼14MΩ

350V/500V

16

5.5±0.5

38±3

0.8±0.05

NWS3W

NMS3W

3

0.05Ω∼100Ω

2Ω∼14MΩ

350V/500V

16

5.5±0.5

38±3

0.8±0.05

NWU3W

NMU3W

3

0.05Ω∼220Ω

500Ω∼1MΩ

350V/500V

25

8.5±0.5

38±3

0.8±0.05

 

 

...............................................................................................................................................................................................................................................