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    USB-Awg28×1P + Awg24×2C
    看原圖
    		代碼 USB8142

    PRODUCT DESCRIPTION:
    - Stranded tinned copper conductor.
    - Color-coded HDPE or SR-PVC insulation
    - PVC jacket which can pass UL CM flame test
    　　    		 Applications:
    It is used to connect computer with following peripherals LOW-SPEED Devices (10~100kb/s): Keyboard, Mouse, Stylus, Game Peripherals, Virtual Reality Peripherals, and Monitor Configuration MEDIUM-SPEED Devices (500Kb/S - 10Mb/s): ISDN, PBX, POTS, Audio　
    STYLE USB FULLY RATED DOCUMENT NO :
    SIZE #28×1P + #24×2C ESTABLISHED DATE :
    UL STYLE CM UL FILE NO. :
    CSA STYLE AWM I/II A , FT4 CSA FILE NO :LL43774

    Conductor

    		 Construction AWG 28 24
    Material ---- Tin-Cu Stranded Tin-Cu Stranded
    Conductors No. ---- 7 7
    Conductors AWG AWG 36 32
    Conductors Size ㎜ 0.127 0.200
    O.D. ㎜ 0.38 0.60
    Insulation Average Thickness  ㎜ 0.18 0.25
    Diameter ㎜ 0.74 ±0.05 1.10 ±0.05
    Material ---- HDPE SR-PVC
    Color ---- Green × White  Black , Red
    Twist Pair Direction ---- Right    
    Pitch ㎜ 35  
    Filler Material ---- Cotton
    Layer Direction ---- Left  
    Pitch ㎜ 70
    Diameter     <td width="60" bgcolor="#ccff

         		  
       
    ★★★★商品規格描述★★★★
          		 
    (二)、Physical Properties
      SR-PVC HDPE JACKET

        Unaged

    		 Tensile
    Strength    		 3000 psi
    (2.10 kg/ｍ㎡)    		 2400 psi
    (1.69 kg/ｍ㎡)    		 2000 psi
    (1.41 kg/ｍ㎡)
    Elongation 100% MIN. 300% MIN. 100% MIN.
    Aged Tensile
    Strength    		 70% min.
    (113℃×168h)    		 75% min.
    (100℃×48h)    		 85% min.
    (100℃×240h)

    Elongation

    		 70% MIN.
    (113℃×168h)    		 75% MIN.
    (100℃×48h)    		 50% MIN.
    (100℃×240h)
    Flame Test : Vertical Tray Flamed Test & FT4
    (三)、Electrical Properties：
    Temperature   75℃
    Voltage Rating 30V
    Spark Test AC 500V/0.15sec min.
    Hi-Pot Test AC 750V/3sec min
    Insulation Resistance HDPE  ：DC-500V 100MΩ/km min. at 20℃
    SR-PVC：DC-500V 10MΩ/km min. at 20℃
    Conductor Resistance 28AWG-232Ω/km max. at 20℃
    24AWG- 90.9Ω/km max. at 20℃
    Mutual Capacitance 56 ±2 pf/ m nominal.
    Differential Impedance 90 ±15%Ω at 1-16MHz
    Resistance Unbalance 5% Max.
    Delay Time 6.0 ns/m max. at 1-16MHz (Signal Pair)
    Delay Time Skew 65.5 ps/m max. at 1-16MHz 
    Velocity of Propagation 66%
    Attenuation
    (dB/305m)
    Maximum    		 64K
    Hz    		 256K
    Hz    		 512K
    Hz    		 772K
    Hz    		 1M
    Hz    		 4M
    Hz    		 8M
    Hz    		 10M
    Hz    		 16M
    Hz
    4.8 6.7 8.2 9.4 12.0 24.0 35.0 38.0 48.0