USB测试标准（绝缘电阻、耐电压、低电平接触电阻、接触电容）
5星 · 超过95%的资源 需积分: 50 98 浏览量
2008-12-10
13:51:10
上传
评论 1
收藏 45KB DOC 举报 
以下為USB測試標准，參考標准為USB Specification Revision 2.0
USB Electrical,Mechanical,and Environmental Compliance Standards
Test Descriptio Performance Requirement
Visual and
Dimensional
Inspection
Must meet or exceed the requirements specified by
the most current version of Chapter 6 of the USB
Specification.
Insulation Resistance
絕緣電阻
大于等于1，000Ω
Dielectric
Withstanding Voltage
耐電壓
The dielectric must withstand 500V AC for one
minute at sea level.
500 V AC，一分鐘
Low Level Contact
Resistance
低電平接觸電阻
30 mΩ maximum when measured at 20mV
maximum open circuit at 100mA.Mated test
contacts must be in a connector housing.
在開路最大電流為100 mA電壓為20mV情況下最
大為30mΩ
Contact Current
Rating
溫升
1.5A at 250V AC minimum when measured at an
ambient temperature of 25℃.with power applied
to the contacts ,the △T must not exceed +30℃at
any point in the USB connector under test.
相對溫度為25℃，250VAC，最小為1.5A。接通
電壓，測試中端子任一點的溫度不超過＋30℃。
Contact Capacitance
接觸電容
2 pF maximum unmated per contact.
最大為2pF
Insertion Force
插入力
35 N maximum at a maximum rate of
12.5㎜ per minute
在插入速度不超過每分鐘12.5㎜時不超過35N
Extraction Force
撥出力
10 N minimum at a maximum rate of 12.5㎜
per minute
在拔出速度不超過每分鐘12.5㎜時不超過10N
Durability
耐用性
1,500 insertion/extraction cycles at a maximum
rate of 200 cycles per hour.
在速度不超過每小時200個循環下經受1，500次
插入與撥出。
Cable Pull-Out
電纜拉出
After the application of a steady state axial load
of 40 N for one minute
固定后施加40N的軸向力,一分鐘。
1
资源评论
promise1002012-09-12方法都挺好，因环境要素部分落实比较难，还是不错的，可以借鉴方法
lightStealer2015-06-18写论文用到，很好
