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Fuse Resistor - RF10 Series (UL Approval)

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        塗裝絕緣保險絲電阻

    PDF File  Coat-Insulated Fusing Resistor - RF Series 

 Home-FR Fusing Resistor – RF10 Series
 
FUSING CHARACTERISTICS
Type Power  Resistance  Tolerance Fusing of Power Rating Fusing Time TCR Dielectric
Rating Range (ppm/) withstanding
RF10 1/4W 0.22Ω~100Ω ±5% X15 X20 X25 30S ±250 >600V
RF10 1/2W 0.22Ω~100Ω ±5% X15 X20 X25 30S ±250 >600V
RF10 1W 0.2Ω~75Ω ±5% X10 X20 X25 30S ±250 >600V
 
There are some similarities between resistor and fuses in material and structure, Fusing Resistor contain both function, as being resistor
 in normal condition and changed into fuse while abnormal current comes in to product machine and equipment. Since two functions
  performed by resistor, the cost therefore saved. 
Our RF10 Fusing Resistor series are produced with precision technique, enabling precise fusing time and stabilized aiming to reach best
 quality resistors.
 
Features:
It is suitable for protecting circuit and design.
Small in size with competitive price.
Noncombustible insulating coat “Solvent” proof and resistant to high temperature. 
Low temperature coefficient. (<±250ppm/)
Uniform in fusing time. (10s~30s)
Coated by UL recognized 94V-0 Flame-retardant coating.
 
應用說明:
保險絲電阻與電阻器在材質及構造上本身就有類似之處,而保險絲電阻器具有兩者之特性功能,在正常使用情況下可當作一般電阻,
一旦電流有異常時就可發揮其保險絲的作用來保護電器等產品設備。 
高端產品及其它需要UL安全認證之家電產品,採購使用保險絲零部件時,也必需具備有UL認證的保絲電阻廠家才能取得相關的認證。 
本司所經銷之RF 保險絲電阻也已具備了這一認證條件。查詢更多資料請向本司業務部接洽。
   Return to Fusible Resistor
 
 
 
 
 

 

 

最近更新在 週日, 12 一月 2014 12:19  
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Newsflash

LED 驅動電路

LED 驅動電路

 

LED 驅動電路

在電子學領域裡,LED驅動電路(LED circuit,又譯發光二極管電路),為發光二極管燈具的核心器件,是一個用來使發光二極管(LED)發亮的電路。

隨着全球倡導綠色照明以及節能的迫切需求。越來越多的照明產品進入到發光二極管光源的時代。而作為發光二極管燈具的核心器件,LED驅動芯片扮演着越來越重要的角色。

推動LED時,其最終目的都是要控制流經LED的電流以達到或貼近原有設計要求的數值,並使其穩定而不受或減少被電源電壓、溫度、順向偏壓差異等因素影響,從而得到所需光度、防止LED壽命減短或被損壞。

LED工作於直流電,其順向偏壓與電流成指數關係,因此極細小的電壓變化也會使其電流、光度有很大變化,嚴重的更會因為功耗過高而永久損壞。

成指數關係的LED順向偏壓與電流曲線,輕微的順向偏壓(ΔV)會導致非常大的電流變化(ΔI

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