1. 適用范圍Scope of Application

本產(chǎn)品適用于各種電子電路中起過電流保護(hù)作用。

This product is suitable for various kinds of electronic machines to work for over current protection.

2. 相關(guān)標(biāo)準(zhǔn)及認(rèn)證Relevant Standards and Certification

2.1執(zhí)行標(biāo)準(zhǔn)Standard: UL248-1、UL248-14

2.2認(rèn)證Certification

3. 原材料明細(xì)

3.1 原材料明細(xì)Material Detail

4. 標(biāo)示Mark

4.1保險(xiǎn)絲上需有下列標(biāo)示:  The fuse shall have the following marking：         

朗森特標(biāo)志 Langsente’s logo  

額定電流 Ampere rating  20A

5. 電氣特性Electrical Characteristics

5.1實(shí)驗(yàn)條件: 所有測(cè)試環(huán)境溫度為25±5℃。

Test Condition: All electrical characteristics tests are conducted at an ambient temperature of 25±5℃.

5.2時(shí)間-電流特性

Time-Current Characteristics

5.3額定分?jǐn)嗄芰Γ?/font>

   Interrupting Rating:

      50 Amperes at 125 V /250 V/300V/350V AC (50mA ~20A)

      50 Amperes at 125V DC (50mA ~20A)

6. 環(huán)境特性Environmental Characteristics

6.1使用溫度范圍Operating Temperature

-40℃~125℃。

6.2保存條件Storage Conditions

相對(duì)濕度≤75%，可以存放3年。 

      Relative humidity≤75%, store 3 years.

7. 可靠性試驗(yàn)Reliability Test

   7.1冷熱沖擊試驗(yàn)Thermal Shock Test

      MIL-STD-202G, Method 107G。

7.2防潮濕試驗(yàn)Moisture Resistance Test

      MIL-STD-202G, Method 106G。

   7.3振動(dòng)試驗(yàn)Vibration Test

      MIL-STD-202G, Method 201A。

   7.4可焊性試驗(yàn)Solderability Test

      MIL-STD-202G, Method 208H, IEC60127-2, IEC60068-2。

8.焊錫參數(shù)Soldering Parameters

8.1 回流焊Reflow Slodering

9.1.1 溫度Temperature  260℃                 

9.1.2 時(shí)間Time        ≤10 seconds         

9.1.3 最大可以承受三次回流焊  

Capable for three times reflow

8.2 波峰焊Wave Soldering

    9.2.1 溫度Temperature  260℃                 

    9.2.2 時(shí)間Time        ≤10 seconds    

   8.3 手工焊錫Hand Soldering

       9.3.1 溫度Temperature  380℃ 

9.3.2 時(shí)間Time        ≤3 seconds