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Wire wound Hihg Power Resistor

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按圖放大 Resistor 大功率電力型電阻器

PDF File  Data Spec Fixed Wirewound Hihg Power Resistor - HPD Series

Resistor FEATURE

  • Fire proof
  • High Power 10W to 3000W.
  • Wire wound resistor with the features of superior heat and pulse  resistance as well as high reliability. It is suitable for high-power circuits application.
HPD Type  ( ADJUSTABLE TYPE) HPQ Type  ( ADJUSTABLE TYPE) HPZ Type  ( ADJUSTABLE TYPE)
Power Rated Resistance Range Power Rated Resistance Range Power Rated Resistance Range
HPD-10W 1Ω ~ 10K Ω HPQ-75W 1Ω ~ 8K Ω HPZ-80W 0.1Ω ~ 80K Ω
HPD-20W 1Ω ~ 20K Ω HPQ-90W 1Ω ~ 9K Ω HPZ-100W 0.1Ω ~ 100K Ω
HPD-30W 1Ω ~ 30K Ω HPQ-120W 0.2Ω ~ 12K Ω HPZ-120W 0.1Ω ~ 120K Ω
HPD-40W 1Ω ~ 40K Ω HPQ-150W 0.2Ω ~ 15K Ω HPZ-150W 0.1Ω ~ 150K Ω
HPD-50W 0.1Ω ~ 50K Ω HPQ-180W 0.2Ω ~ 18K Ω HPZ-200W 0.1Ω ~ 200K Ω
HPD-60W 0.1Ω ~ 60K Ω HPQ-225W 0.2Ω ~ 20K Ω HPZ-250W 0.1Ω ~ 250K Ω
HPD-80W 0.1Ω ~ 80K Ω HPQ-240W 0.5Ω ~ 25K Ω HPZ-300W 0.1Ω ~ 300K Ω
HPD-100W 0.1Ω ~ 100K Ω HPQ-300W 0.5Ω ~ 30K Ω
HPD-120W 0.1Ω ~ 120K Ω HPQ-375W 0.5Ω ~ 40K Ω
HPD-150W 0.1Ω ~ 150K Ω HPQ-450W 0.5Ω ~ 45K Ω
HPD-160W 0.1Ω ~ 160K Ω HPQ-600W 0.5Ω ~ 60K Ω
HPD-200W 0.1Ω ~ 200K Ω HPQ-750W 0.5Ω ~ 75K Ω
HPD-225W 0.1Ω ~ 200K Ω HPQ-900W 1Ω ~ 90K Ω
HPD-250W 0.5Ω ~ 250K Ω HPQ-1KW 1Ω ~ 100K Ω
HPD-300W 0.5Ω ~ 300K Ω HPQ-1.2KW 1Ω ~ 120K Ω
HPD-400W 0.5Ω ~ 400K Ω HPQ-1.5KW 1Ω ~ 150K Ω
HPD-500W 0.5Ω ~ 500K Ω HPQ-2KW 1Ω ~ 200K Ω
HPD-600W 1Ω ~ 600K Ω
HPD-700W 1Ω ~ 700K Ω
HPD-800W 1Ω ~ 800K Ω
HPD-1KW 1Ω ~ 1M Ω
HPD-3KW 1Ω ~ 1M3 Ω

 

 
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Newsflash

LED 極性

LED 驅動芯片 LED 極性

 

LED 極性

圖: LED 極性

由於LED工作於直流電,連接線路時必須確保極性方向正確才能正常工作。與二極管一樣,LED的接腳分正極(陽極、+)及負極(陰極、-),電流必需由正極流向負極,LED才能發光。

LED接腳的極性一般可以由其封裝上看出,但不同封裝其標示方式也不同。除封裝外,也有其他途徑得知LED的極性,以下列出常見的標示方法:

可以由以下方法找出:用萬用錶測試。模擬式萬用錶可以用電阻擋測試(注意模擬式萬用錶測試針的正負極是倒轉的的);數字式萬用錶大多有測試二極管的功能,但兩者能測的最高偏壓都有限制,模擬式萬用錶受內部電池所限,數字式萬用錶則因廠方設計而異。低壓恆流源也是理想的測試工具。例如用固定電壓電源串連一個電阻。