美隆電子有限公司

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Chip Fuse Thin Film TFF04

表面貼裝片式保險絲 Case: 0402 TFF04 Series
 Current Range: 0.315A~4.0A Surface Mount Thin Film Chip Fuse
  SINLOON®
   PDF File  Chip Fuse TFF04 (315mA~4.0mA)    
Features (特性)   Application (應用)
Surface mount (0402) case designed (小型化表面封裝設計) Portable electronics equipment (便携式電子設備)
Designed for over current protection (超電流保護) Personal computer, Notebook, server (個人電腦,筆記本電腦及服務器
Ampere rating from 315mA~400mA. (電流由0.315A~4.0A) Multi-function printer, scanner, projector.(功能打印機,掃描機,投影機)
Low internal resistance (低內阻) LCD Display, TV and Monitor (LEC 顯示器,電視及顯示器)
Extremely small current rating (非常小的電流額定值) Set Top Box and Data modem (機頂盒和數據解碼器)
Lead-Free, RoHS compliant for global application and halogen free (無鉛,符合RoHS標準及無卥.)
                       
Electrical Specification  
Part No. Rated Resistance Rated Breaking Part No. Rated Resistance Rated Breaking
Designation Current (A) (Ω)1 Voltage Capacity Designation Current (A) (Ω)1 Voltage Capacity
TFF04V3A315T 0.32 0.690 DC-32V DC32V/35A TFF04V31A60T 1.60 0.044 DC-32V DC32V/35A
TFF04V3A50T 0.50 0.340 DC-32V DC32V/35A TFF04V32A0T 2.00 0.033 DC-32V DC32V/35A
TFF04V3A75T 0.75 0.140 DC-32V DC32V/35A TFF04V32A5T 2.50 0.025 DC-32V DC32V/35A
TFF04V3A80T 0.80 0.100 DC-32V DC32V/35A TFF04V33A0T 3.00 0.019 DC-32V DC32V/35A
TFF04V31A0T 1.00 0.095 DC-32V DC32V/35A TFF04V33A15T 3.15 0.018 DC-32V DC32V/35A
TFF04V31A25T 1.25 0.057 DC-32V DC32V/35A TFF04V34A0T 4.00 0.012 DC-32V DC32V/35A
TFF04V31A50T 1.50 0.045 DC-32V DC32V/35A          
Others data not in the specification of data, please contact us. (如果你要求的規格不在本規格書裡請與我們聯絡
                 
 
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Newsflash

如何能夠更好準确量測低阻值電阻
   產品應用   如何能夠更好準确量測低阻值電阻
電阻值小於0.9R歐姆,應採用 [四點探針] 量測的方法,而且要求的量測用電表具有很高的分辨率。
四點探針量測方法是為了抵消引接線和被量測的電阻間接觸點的兩端內在的阻抗值。如果
你需要量測0.1R歐姆電阻的精度高於±1%,最好可以選用有六位數字的數字錶。針對測量低阻抗
值,採用四點探測,即 兩根導線輸入電流,兩根導線輸出量測兩端電壓,得出來的電壓讀數,可以代
入歐姆定律即可計算出精确之電阻值。