美隆電子有限公司

Mayloon Electronic Company Limited

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Fusible Chip Resistor

 

SINLOON® 保險絲貼片電阻 FCR Series
Power Range: 1/16W ~ 1W Fusible Thick Film Chip Resistor
Fusible chip Resistor
eatures - - - - 有圖
♦ The accurate fusibility is applicable to safety circuits
in the wide range of electronic sets.
Small in size, Light in weight.
Low temperature coefficient. (Under ±600ppm/)
Noncombustible insular coat. 保險絲與電阻 保險絲與電阻其材質及結構上有類似之特性,而保險絲電阻兼備二者之功能,設置於電路中可當一般電阻使用,一旦電流異常時,發揮其保險絲特性保護產品電路不致全部受損。 由於保險絲特性有二用的功能,故在設計電路時,很多工程師都會使用保險絲電阻放置於電路中,大大降低成本。本公司所生產之貼片保險絲產品,為貼片型表面封裝,適用於平面化及小型化之產品類別,功率分別由1/8W(0603) …
May treat as the general resistance use.
Size: 0402/0603/0805/1206/1210/2010/2512.
pplications (應用)
Converters (轉換器)
Consumer Product (電子類消費品)
Printer Equipment (打印機設備)
Medical Equipment (醫用器材)
Measurement instruments (測量儀器)
Automatic Equipment Controller (自動化設備控制器)
Testing / Measurement Equipment (測試/測量設備)
Communication Device, Cell phone, GPS, PDA 通信設備,手機,全球定位系統,PDA
RDERING INFORMATION
Example: FCR03H1R00JR
Power Size Type TCR() Resistance Tolerance Packing Quantity
1/16W 0402 FCR02 E24 7" Reel 10K Reel
1/10W 0603 FCR03 1R = 1R00 F = ±1% 5K Reel
1/8W 0805 FCR05 F=±200ppm 10R=10R0 G = ±2% 5K Reel
1/4W 1206 FCR06 H=±400ppm 100R=101 J = ±5% 5K Reel
1/3W 1210 FCR12 J=±400ppm 1K = 102 K = ±10% 5K Reel
1/2W 2010 FCR20 4K Reel
1W 2512 FCR25 4K Reel
GENERAL ELECTRICAL SPECIFICATION
Type Size Power Max.Hold-off Fusing Time & Resistance
at 70 Voltage Min. Fusing Power Range (Ω) TCR (ppm/)
FCR02 0402 0.063W 50V <30 sec at 2.5W 1Ω ~ 1K
FCR03 0603 0.1W 100V <30 sec at 3W
FCR05 0805 0.125W 150V <30 sec at 3.25W 1Ω~47Ω ±600ppm
FCR06 1206 0.25W 200V <30 sec at 5W 48Ω~470Ω ±400ppm
FCR12 1210 0.33W 250V <30 sec at 7.5W 471Ω~1KΩ ±200ppm
FCR20 2010 0.5W 300V <30 sec at 11.25W
FCR25 2512 1W 400V <30 sec at 15W
Operating Temperature Range: -55 ~ +155
Tolerance Range: ±5%,±2%, ±1%
oltage Rating or Current Rating
Resistance Range: 1R ohm
Rated Voltage:
The resistor shall have a DC continuous working voltage or a RMS AC continuous working
voltage at  commercial-line frequency and wave form corresponding to the power rating,
as determined formula as following - -
REMARK: E = RxP R=Nominal resistance (Ω)
E= Rated voltage (V) P=Power rating (W)
 
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Newsflash

電感電性功能及特性

 產品應用            

 電感在電路中的電性功能及特性

T    消除噪音的根本辦法是使DC/DC變換器的頻率處於音訊範圍外,對於PWM/PFM自動切換的變換器來說,採用大電感可以使系統在電流很低的情況下保持在連續工作模式,但是這與我們要提高輕載時的效率的初衷相違背,況且大電感也帶來了體積的增大和成本的增加,另外增大電感還減慢了變換器的反應時間,使變換器的動態性能變差,特別是筆記型電腦的CPU供電和一些手持設備的CPU都瞬間從低功耗模式切換到全速工作模式,因此都要求電源有很高的動態響應性能。另一種方法是減少輸出電容器量,使輸出電壓更快地跌落到閘限電壓以下,以提高間歇頻率,例如低功耗時工作頻率處於10kHz,把輸出電容器減少一半可以使頻率增加一倍,變為20kHz,因而消除音訊噪音。但需要注意的是,減少輸出電容器會對DC/DC變換器的穩定性造成影響,應該重新運算相位補償的RC參數。另一方面,某些需要大動態電流變化的負載要求要足夠的電容器,不允許輸出電容器太小。

本公司提供表面封裝貼片型的電感器,小型封裝型號分別有0402/0603/0805/1008/1206  更多資料請瀏覽本司網站.

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