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    Belden 8218 Coaxial - 75 OHMS Transmission and Computer Cable 75 歐姆 (27 AWG (7X35)銅包鋼絞線) 同軸電纜
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    商品編號: Belden-8218

    Belden 8218  Coaxial - 75 OHMS Transmission and Computer Cable 75 歐姆  (27 AWG (7X35)銅包鋼絞線) 同軸電纜
     
     
                                    8218
      I. DESCRIPTION:
         -----------
         CATV-MATV COAXIAL CABLE, 27 AWG (7X35) BARE COPPER
         COVERED STEEL
     II. ELECTRICAL CHARACTERISTICS:
         --------------------------
         NOM. IMPEDANCE:                   75 OHMS
         NOM. INDUCTANCE:                  .115 MICRO-H/FT
         NOM. CAPACITANCE:
         CONDUCTOR TO SHIELD:              20.5 PF/FT
         NOM. VELOCITY OF PROPAGATION:     66%
         NOM. DELAY:                       1.54 NS/FT
         ATTENUATION:
             NOMINAL
         MHZ     DB/100 FT.
            1       1.2
           10       2.4
           50       4.2
          100       5.7
          200       8.3
          400      12.1
          700      16.5
          900      19.0
         1000      20.0
         NOM. SHIELD DC RESISTANCE
         @ 20 DEG C:                       5.7 OHMS/1000 FT.
         NOM. CONDUCTOR DC RESISTANCE
         @ 20 DEG. C:                      120 OHMS/1000 FT.
         MAX. OPERATING VOLTAGE:           1700 V RMS
    III. PHYSICAL CHARACTERISTICS:
         ------------------------
         NOM. WEIGHT/1000 FT.:             14 LBS.
         MIN. BENDING RADIUS:              2"
         MAXIMUM PULLING TENSION:          32 LBS.
         TEMPERATURE RATING:               -40 TO +60 DEG C
         SHIELD TYPE:                      93% TINNED COPPER
         INSULATION MATERIAL:              POLYETHYLENE
         JACKET MATERIAL:                  PVC
         NOM. DIA.:                        .150"
         APPLICABLE SPECIFICATIONS:        UL AWM 1354