2.4*7微型保险丝规格书（快熔） 1.規格型號和安規認證 MODEL NUMBER AND SAFETY CERTIFICATION 1-1 品名規格：系列號+額定電流+額定電壓+認證符號 Model Number: Part Number+Rated Current+Rated Voltage+Approvals. 例子[example]: 275/251/253 1.5A 125V 1)系列號 Part Number 2)額定電流 Rated Current 1） 2） 3） 3)額定電壓 Rated Voltage 1-2 額定電流和額定電壓 Rated Current And Voltage 額定電流： 100mA~12A Rated Current: 100 mA~12A 額定電壓;125V/250V AC Rated Voltage:125V/250V AC 1-3標示Marking 保險絲上可以有下列標示 The fuse shall have the following marking:UR ,CSA,TUV,PSE,CCC 規格：特性符號+額定電流 Specification:Characteristic Symbol 100mA~800mA : _mA 1A~12A:_A Trade mark:The Manufacture’s Logo+Part Number+Approvals 100mA~12A: 注意：對標示字樣大小沒有規定 Note:Size of the markings have not be specified. 2.適用範圍 SCOPE 適用於一般電子設備。Used in electronic equipment. 3.工程圖和結構 OUTLINE DRAWING AND STRUCTURE 3-1 工程圖（單位：mm） Outline Drawing and Dimensions(Unit:mm) 3-2結構 Structure 編號 No. | 元件 Component | 材質 Material | 數量 Quantity | (1) | 熔絲 Wire | 合金 Alloy | 1 | (2) | 銅帽 Cap | 黃銅鍍鎳 Brass with mickel plated | 2 | (3) | 本體 Body | 陶瓷管/胶料 Ceramic Tube/Plastic | 1 | (4) | 引線 Lead | 鍍錫銅線 Tinned Copper wire | 2 |
4.外觀及形狀 APPEARANCES AND CONFIGURATION 4-1外觀：外观不应有显著的污点、铁锈或者裂纹 Appearances:There shall not be any remaekable stain,rust or crack on the appearances. 4-2形狀：轴向引脚的超小型保险丝 Configuration:Axial Leaded Micro-Fuse. 5.物理特性 PHYSICAL CHARACTERISTIC 5-1 拉力測試 Tensile test 沿端子的軸向施加10N的拉力，持續1分鐘。 Keep pulling the cap of the fuse with 10N at axial direction for 1 min. 6.電氣特性 ELECTRICAL CHARACTERISTICS % of Ampere Rating | Ampere Rating | Opening Time | 100% | 62mA - 15A | 4 Hours, Min. | 200% | 62mA - 7A | 1 Second, Max | 10A | 3 Seconds, Max. | 12 - 15A | 10 Seconds, Max. | 275% | 500Ma~ 10A | 300 msecs., Max. | 400% | 500mA~ 10A | 30 msecs., Max. | 1000% | 500mA~ 10A | 4 msecs., Max. |
7.環境特性 ENVIRONMENTAL SPECIFICATION 7-1 操作溫度範圍：-25℃~60℃ Operating Temperature: -25℃~60℃ 7-2 保存條件 Storage Conditions 溫度：+10℃~60℃ Temperature: +10℃~60℃ 在相對濕度≤75%下平均可存放3年 On average, It can be stored below the relative humidity or 75% for 3 years. 在非露天下，相對濕度為95%下最多可存放30天。 Without dew, It can be kept under humidity of 95% for 30 days. 8.焊接條件 SOLDERING PAAMETERS 8-1波峰焊 Wave Solder 焊接溫度：260±5℃ Soldering Temperature:260±5℃ 焊接時間：4 Sec. Max. Soldering Time:4 Sec.Max. 8-2手工焊錫 Manual Solder 焊接溫度：350±5℃ Soldering Temperature: 350±5℃ 焊接時間：3 Sec. Max. Soldering Time: 3 Sec. Max. 9.其他使用注意事項 OTHER NOTICE IN USING 如果需在保險絲上加熱縮套管，烘烤溫度與時間需參照以下規定 If heat shrink tubing was needed,the roast temperature and time should be refer to the following. 設定烘烤溫度：不大於150℃ 烘烤時間：50s Max. The temperature should be sel under 150℃,roast time:50s Max. | 
