2T-3x8 电阻式 慢断 环氧树脂微型保险丝
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]:
2T 1.2 250V 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： 32mA~1
Rated Current: 32 mA~1
額定電壓;125V/250V/400V AC
Rated Voltage:125V/250V/400 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
32mA~800mA : _mA 1A~1:_A
Trade mark:The Manufacture’s Logo+Part Number+Approvals
32mA~1:UL CSA
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 |
|
(5) |
镀层 Insulating Coat |
环氧树脂 Epoxy Resin |
/ |
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% |
32mA - 1 |
4 Hours, Min. |
|
200% |
32mA - 1 |
60 Second, Max |
|
275% |
500mA~ 10A |
300 msecs., Max. |
|
400% |
500mA~ 10A |
30 msecs., Max. |
|
1000% |
500mA~ 10A |
4 msecs., Max. |
|
规格判定Item |
||
|
Openrating Temp |
-55℃~125℃ |
|
|
大熔断时限 |
200% Rating 60SEC |
|
|
突波实验 |
3millisecond at 1000% rated current |
|
|
Melting I 2 t |
1.83~2.083 |
|
|
Cold Ohms |
1.2/0.058~0.067 Ohm |
|
|
Interrupting rating |
50A/125VAC 50A/250VAC |
|
|
Dimensions |
9mm*¢3.9mm |
|
|
Ssfty |
UL CSA CCC ROHS |
|
7.環境特性
ENVIRONMENTAL SPECIFICATION
7-1 操作溫度範圍：-55℃~125℃
Operating Temperature: -55℃~125℃
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.