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℃ ℃