|
凯发国际真人的产品中心
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.
下一篇：
