產品詳情：
1.規格型號和安規認證
MODEL NUMBER AND SAFETY CERTIFICATION
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]:
4GTU 1A 125V/250V/350 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： 375mA~10A
Rated Current: 375mA~10A
額定電壓:125V/250V/350V AC
Rated Voltage:125V/250V/350V AC
1-3標示Marking
保險絲上需有下列標示
The fuse shall have the following marking:
規格：特性符號+額定電流+額定電壓
Specification:Characteristic Symbol+Rated Voltage
375mA~750mA : _mA125V/250V/350V 1A~10A:_A125V/250V/350V
Trade mark:The Manufacture’s Logo+Part Number+Approvals
375mA~10A:
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 | 玻璃管 Glass Tube | 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：不應有破碎、明顯的汙斑
Appearances:There shall no fragmentation and of remarkable blotch.
4-2形狀：帶腳的保險絲
Configuration:Axial Leaded 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
熔斷/電流特性：
Pre-Arcing Time/Current Characteristic
a、Breaking capacity（分斷能力）(Time Lag and Fast Acting)
3~100A 350V AC
b、Electrical characteristics美標（UL）
%Ampere of Rating Opening Time
100% 4Hours,Min.
135% 1Hour,Max.
200% 3 Sec. Min. ; 20 Sec. Max.
c、Temperature character
When 100% of rating the temperature rise doesn’t exceed 75℃.
d、Electrical Characteristic Specifications by Item
| Amp Code | Amp Rating | Voltage | Nominal Cold | Nominal | Agency Approvals | ||
| Rating(V) | Resistance | Melting | |||||
| (Ohms) | I2t (A2 sec) | ||||||
| 4GTU-.250 | 0.25 | 125/250/350 | 2.41 | 0.216 | x | x | |
| 4GTU-.375 | 0.375 | 125/250/350 | 1.17 | 0.58 | x | x | |
| 4GTU-.500 | 0.5 | 125/250/350 | 0.688 | 1.16 | x | x | |
| 4GTU-.600 | 0.6 | 125/250/350 | 0.477 | 1.75 | x | x | |
| 4GTU-.750 | 0.75 | 125/250/350 | 0.34 | 2.95 | x | x | |
| 4GTU-.800 | 0.8 | 125/250/350 | 0.304 | 3.45 | x | x | |
| 4GTU-001. | 1 | 125/250/350 | 0.21 | 5.64 | x | x | x |
| 4GTU-1.25 | 1.25 | 125/250/350 | 0.146 | 9.8 | x | x | x |
| 4GTU-01.5 | 1.5 | 125/250/350 | 0.1077 | 15 | x | x | x |
| 4GTU-002 | 2 | 125/250/350 | 0.0689 | 30 | x | x | x |
| 4GTU-2.25 | 2.25 | 125/250/350 | 0.0567 | 39 | x | x | x |
| 4GTU-02.5 | 2.5 | 125/250/350 | 0.0502 | 50 | x | x | x |
| 4GTU-003 | 3 | 125/250/350 | 0.0383 | 77 | x | x | x |
| 4GTU-03.5 | 3.5 | 125/250/350 | 0.0312 | 110 | x | x | x |
| 4GTU-004 | 4 | 125/250/350 | 0.0258 | 148 | x | x | x |
| 4GTU-005 | 5 | 125/250/350 | 0.0186 | 267 | x | x | x |
| 4GTU-006 | 6 | 125/250/350 | 0.0141 | 380 | x | x | x |
| 4GTU-007 | 7 | 125/250/350 | 0.0116 | 464 | x | x | x |
Temperature Rerating Curve
Average Time Current Curves
7.環境特性
ENVIRONMENTAL SPECIFICATION
7-1 操作溫度範圍：-5℃~60℃
Operating Temperature: -5℃~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.
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