模造電阻器
(MR Series)



 





特性:
高穩定性皮膜或金屬板抵抗元素
低感值 (<50nH), 測試頻率100KHz
可利用在 20W, 30W, 35W, 50W


性能 :

項目

備考

Load life under high temperature
高溫負荷壽命

MIL-STD-202 Method 108, Rated voltage 70℃ for 1,000 hours

Humidity resistance
高溫高濕

MIL-STD-202 Method 106, Test Temp. (65℃ at 90%～95%) 240 hours 

Vibration
振動試驗

 MIL-STD-202 Method 204, Condition D

Thermal shock
溫度循環

MIL-STD-202 Method 107, Test Condition F (-55℃～+85℃) 5 cycles

Insulation resistance
絕緣阻抗

MIL-STD-202 Method 302   (≧1000MΩ at 500V)

Resistance to soldering heat
焊錫耐熱

MIL-STD-202 Method 210, Test Condition B (10s at 260℃) 

Solderability
可焊性

MIL-STD-202 Method 208 (5s at 245℃) >95%
Dielectric withstanding
耐電壓 		MIL-STD-202 Method 301, Test DC 2,000V 60sec.
Temp.coeff. of resistance
溫度係數 		MIL-STD-202 Room temp.+100℃

Derating curve  額定功率下降曲線

Dimensions (mm) 尺寸
Dimensions (mm) 尺寸

定格電力

A

±0.2

B

±0.2

C

±0.2

D Ø

±0.1

E

±1.0

F

±0.5

G

±0.2

H

 ±0.2

J

 ±0.1

K

±0.1

L

±0.1

M

±0.1

N

±0.1

P

±0.1
20W 10.1 15.0 4.5 3.6 15.5 4.0 3.0 2.75 0.5 0.75 1.5 16.0 1.3 5.08
30W 10.1 15.0 4.5 3.6 15.5 4.0 3.0 2.75 0.5 0.75 1.5 16.0 1.3 5.08
35W 10.1 15.0 4.5 3.6 15.5 4.0 3.0 2.75 0.5 0.75 1.5 16.0 1.3 5.08
50W 10.1 15.0 4.5 3.6 15.5 4.0 3.0 2.75 0.5 0.75 1.5 16.0 1.3 5.08


額定

型名

額定電流 1
額定電壓 4
溫度保險絲電阻
阻值範圍
容許誤差值
溫度係數
(TCR)
Heat sink 2
Free Air 3
MR-20

  20W

2.00W

500V 5.9℃/W 0.01Ω～0.09Ω ±5% ±200ppm/℃
0.1Ω～51KΩ ±1%、±5% ±150ppm/℃
MR-30 30W 2.25W 500V 4.2℃/W 0.01Ω～0.09Ω ±5% ±200ppm/℃
0.1Ω～51KΩ ±1%、±5% ±150ppm/℃
MR-35 35W

2.25W

500V 3.3℃/W 0.01Ω～0.09Ω ±5% ±200ppm/℃
0.1Ω～51KΩ ±1%、±5% ±150ppm/℃
MR-50

50W 2.50W

500V

  2.3℃/W

0.01Ω～0.09Ω ±5% ±200ppm/℃
0.1Ω～51KΩ ±1%、±5% ±150ppm/℃

※ 可對應低溫度係數（TCR）： 請與我們聯絡


 
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