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POWER METAL FIXED RESISTOR 功率型金屬膜電阻器. Structure 結構. Derating Curve 功率 下降曲線. Characteristic 特性. - PowerPoint PPT Presentation
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Type規格 D (mm) L (mm) d (max) H (mm)
Resistance Range阻值範圍
PMR1WSSS 2.5 (Max) 7.5 (Max) 0.54±0.05 28±3.0±1%: 22 Ω ~ 470KΩ
±5%: 22 Ω ~ 470KΩ
PMR2WS 4.0 (Max) 11.0 (Max) 0.70±0.05 28±3.0±1%: 3.9 Ω ~ 100KΩ
±5%: 3.9 Ω ~ 100KΩ
PMR3WS 5.5 (Max) 16.0 (Max) 0.70±0.05 28±3.0±1%: 3.9 Ω ~ 100KΩ
±5%: 3.9 Ω ~ 100KΩ
Test Item 測試項目 Standard 標準
Temperature coefficient
溫度係數
3.9Ω ~100K Ω = ±350 PPM/℃470K Ω = ±700 PPM/℃
Short time overload
短時間過負荷 ΔR/R ≤ ±(2.0%+0.05Ω)
Solder ability 焊接能力 Min. 95% coverage
Resistance to soldering heat 焊接熱
耐性ΔR/R ≤ ±(1.0%+0.05Ω)
Temperature cycling
溫度週期變化 ΔR/R ≤ ±(2.0%+0.05Ω)
Terminal strength
端腳強度
No evidence of mechanical damage
無機械破損痕跡
Structure 結構
POWER METAL FIXED RESISTOR功率型金屬膜電阻器
Derating Curve 功率下降曲線
Characteristic 特性
Test Item 測試項目 Standard 標準
Load Life in humidity 濕度壽命Less than 100KΩ ΔR/R ≤ ±5.0%
100KΩ or more ΔR/R ≤ ± 10.0%
Load Life 負載壽命 Less than 100KΩ ΔR/R ≤ ±5.0%
100KΩ or more ΔR/R ≤ ± 10.0%
Pulse overload 脈衝過負荷 ΔR/R ≤ ±(5.0%+0.05Ω)
Resistance to solvent
電阻耐溶劑 No deterioration of protective coating and markings 無皮層脫離痕跡
Dielectric withstanding
voltage 絕緣電壓
No evidence of flashover, mechanical damage, arcing or insulation breakdown
無電弧 , 機械 , 損傷 , 擊穿或絕緣體破損痕跡
Type
規格
Max Working Voltage
最大工作電壓
Max overload Voltage
最大負載電壓
Dielectric Withstanding
Voltage 絕緣電壓
OperatingTemperature
Range 溫度範圍
PMR1WSSS 500V 600V 350V -55 ~+275℃ ℃
PMR2WS 500V 600V 350V -55 ~+275℃ ℃
PMR3WS 500V 600V 350V -55 ~+275℃ ℃