美隆電子有限公司

Mayloon Electronic Company Limited

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Ultra-high resistance value chip resistor

 

SINLOON® 超級超高阻貼片電阻 UCR Series
Resistance: 10M ~ 100G Ω Ultra-high resistance value chip resistor
Ultra-high resistance value chip resistor
EATURE -
有圖
Resistance Range: 10M Ω ~ 100G Ω
Standard Size of 0402 - 1610 Available .
Small size and light weight.
Reliability high quality and fast delivery 電阻器(Resistor),泛指所有用以產生電阻的電子或電機配件。
電阻器的運作跟隨歐姆定律,其電阻值定義為其電壓與電流相除所得的商數。
R=V/I其中: I是流過導體的電流,單位是安培; V是導體兩端的電位差,單位是伏特;R是導體的電阻,單位是歐姆.
電阻器是電子電路中常見的元件,實際的電阻可以由許多不同的材質構成,包括薄膜、水泥或是高電阻系數的鎳鉻合金(電阻絲)。電阻器也可整合到積體電路中,特別是類比IC,也可以整合到混合式集體電路或印刷電路中。
wraparound terminals
Reliability, High quality and Fast Delivery
Reduction of assembly costs matching with placement machines
Reduction of assembly costs and matching with placement machines
pplication
Suitable for compact instrumentation, Infrared rays, Sensor , etc.
Power equipment: Power supply, illumination equipment.
Measuring instrument: Electric meter, Navigation equipment.
Power equipment: power supply, illumination equipment
Measuring instrument: Electric meter, Navigation equipment
ENERAL ELECTRICAL SPECIFICATION
Part No. Size Max. Voltage Resistance Tolerance T.C.R. (ppm/) Load Life Publication Operating
Temperature (Ω) Range Coefficient Tolerance: 10%) IEC Temp. Range
UCR04 0402 25V 10M~25M K: ±10%. I:  ±500 70˚C/1000hrs E24 -60 ~ +155
27M~10G M: ±20%. Z: -2000
UCR06 0603 50V 10M~25M K: ±10%. I:  ±500 70˚C/1000hrs E24
27M~10G M: ±20%. Z: -200
UCR08 0805 100V 10M - 25M K: ±10%. I:  ±500 70˚C/1000hrs E24
>25M~100G M: ±20%. Z: -2000
UCR12 1206 200V 10.1M~25M K: ±10%. I:  ±500 70˚C/1000hrs E24
>25M~100G M: ±20%. Z: -200
UCR16 1610 250V 10M - 25M K: ±10%. I:  ±500 70˚C/1000hrs E24
>25M~100G M: ±20%. Z: -2000
Coating: Glass.
Load Lift: 70˚C/1000hrs  10%
Termination finish: Sn-Pd - -
Substrate material: 96% Al2O3
Operating Temperature: -60˚C ~ 155˚C
Max. Resistance change at Rated dissipation: ∆R/R Max. after 15000hrs 15%
 
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Newsflash

MLH4W 電阻適用於稳压模块(PRM)稳压器

 產品應用          

MLH4W 電阻適用於稳压模块(PRM)稳压器

T    背光方案要求用恆定電流來驅動串連著的大功率LED列陣,一般來說,恆定電流是用來确保可預測的發光亮度和色度值。V.I 晶片非隔離預穏壓模块(PRM)穏壓器倍增電流電壓轉換模块(VTM),電壓變換器雖然主要設計用於利用適應環路穏壓方法提供穏定的電壓,但也可以通過簡單的電路修改而達至穏定的輸出電流。與傳統方法相比,使用PRMVTM提供穏定電流具有許多優點。在系統中使用VTM可以倍增負載點的電流, VTM的輸出電流正比於它輸入電流(如下公式所示Fig-1) ,其中KVTM K系數,或簡單的將其稱為壓降比。

 

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