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 Must meet or exceed the requirements specified by Dimensional the most current version of Chapter 6 of the USB Inspection Specification. Insulation Resistance 大于等于1，000Ω 絕緣電阻 Dielectric The dielectric must withstand 500V AC for one Withstanding Voltage minute at sea level. 耐電壓 500 V AC，一分鐘 Low Level Contact 30 mΩ maximum when measured at 20mV Resistance maximum open circuit at 100mA.Mated test 低電平接觸電阻 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 1.5A at 250V AC minimum when measured at an Rating ambient temperature of 25℃.with power applied 溫升 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 2 pF maximum unmated per contact. 接觸電容 最大為2pF Insertion Force 35 N maximum at a maximum rate of 插入力 12.5㎜ per minute 在插入速度不超過每分鐘12.5㎜時不超過35N Extraction Force 10 N minimum at a maximum rate of 12.5㎜ 撥出力 per minute 在拔出速度不超過每分鐘12.5㎜時不超過10N 1,500 insertion/extraction cycles at a maximum Durability rate of 200 cycles per hour. 耐用性 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 After the application of a steady state axial load 電纜拉出 of 40 N for one minute 固定后施加40N的軸向力,一分鐘。

1 Test Descriptio Performance Requirement No discontinuities of 1μs,or longer duration when mated USB connectors are subjected to Physical Shock 11ms duration 30 Gs half-sine shock pulses.Three shocks in each direction applied 物理沖擊 along three mutually perpendicular planes for a total of 18 shocks. 匹配USB端子，中斷不得大于或等于1μs,30Gs 的半波脈沖承受11ms.從三個正交的方向施加沖擊， 總沖擊數為18次 No discontinuities of 1μs,or longer duration Random vibration when mated USB connectors are subjected to 任意振動 5.35Gs RMS.15minutes in each of three mutually perpendicular planes 匹配USB端子，中斷不得大于或等于1μs,承受 5.35Gs RMS.朝各個正交的方向各振動15分鐘。 Thermal Shock 10 cycles -55℃ and ＋85℃.The USB connectors 熱沖擊 under test must be mated. 在-55℃至＋85℃中循環10次，端子必須緊密配合。 Cable impedance Impedance must be in the range specifiedin

阻抗 Z0=90±15%;

ZCM=30±30% Signal Pair Attenuation Refer to Section 7.1.17 衰減 Frequency att(max) 0.064 0.08 0.256 0.11 0.512 0.13 0.772 0.15 1 0.2 4 0.39 8 0.54 12 0.67 24 0.95 48 1.35 96 1.9 200 3.2 400 5.8

2 Test Descriptio Performance Requirement

Propagation Delay See Section 7.1.1.1,Section 7.1.4,Section 傳輸延遲 7.1.16, and Table 7-9 5.2ns/m MAX Propagation Delay Propagation skew must met the requirements as Skew listed in Section 7.1.3 延遲偏移 最大不超過100ps/cable Solderability USB contact solder tails must pass 95% 可焊性 coverage after one hour steam aging as specified in Category 2 在經過一個小時的蒸氣老化后焊接端的覆蓋率大 于95%。

Humidity 168 hours minimum.The USB connectors under test must be tested in accordance with EIA 364- 抗潮性 31. 大于168個小時。如EIA 364-31測試 Flammability The manufacturer will require its thermoplastic resin vendor to supply a detailed C of C with each resin shipment.The C of C shal clearly show the resin’s Ul listing number,lot number,date code,etc. 94V-0

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