Advanced Micro Communications
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SMC Connectors
SMC

Features & Benefits
  • Broadband performance with low reflection DC to 10 GHz provides low cost connector combined with high quality.
    		•
  • Conforms to the interface dimensions of MIL-STD-348 provides intermatability with other connector suppliers. Offers customer second source.
  • 10-32 screw-on (threaded) coupling mechanism allows performance to 10GHz with low reflection.

    • Applications
  • Antennas
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  • Telecom
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  • Base Stations
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  • Broadcast
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  • Cable Assemblies
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  • Mil-Aero
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  • Components
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  • Radio Boards
  • Instrumentation
    		•
  • Radar
    		•
  • Radios
    		•
  • Video Systems
  • Cellular
    		•
  • PCS
    		•
  • WLAN
    		•

  • Type SMC Specifications
    Electrical
    Impedance 50 O nominal
    Frequency Range 0-4 GHZ with low reflection; usable to 10.0 GHz
    Voltage Rating Sea level: 335 volts
    70,000 ft: 85 volts
    Dielectric Withstanding Voltage 750 VRMS RG-196
    1000 VRMS for RG-188 type
    VSWR

    RG-196/U series
    Straight connector, 1.30 + .04 f (GHz)
    Right angle connector, 1.45 + .06 f (GHz)

    RG-188/U series
    Straight connector, 1.25 + .04 f (GHz)
    Right angle connector, 1.35 + .06 f (GHz)
    Contact Resistance

    Center contact:
    initial 6.0 mΩ
    after environ. 8.0 mΩ

    Outer contact:
    initial 1.0 mΩ
    after environ. 1.5 mΩ

    Braid to body:
    initial 1.0 mΩ
    after environ. N/A
    Insulation Resistance 1,000 MΩ minimum
    RF Leakage -55 dB minimum @ 2-3 GHz
    Insertion Loss Straight connectors:
    0.30 dB @ 1.5 GHz

    Right angle connectors:
    0.60 dB @ 1.5 GHz
    Mechanical
    Mating 50 Ohm screw-on coupling
    per MIL-STD-348
    Braid or Jacket Cable Affixment Braid and Jacket: hex. crimp
    Mating Torque Recommended: 2-3" lbs.
    Maximum: 6.6" lbs.
    80-110 N.cm
    Center Conductor Cable Affixment Solder
    Connector Durability 500 mating and unmating cycles min.
    Material
    Body Brass per QQB-626 or zinc per ASTM B86-71, as specified, nickel or gold plated as listed
    Male Contacts Male: brass or beryllium copper, gold plated
    Female Contacts Female: beryllium copper, gold plated.
    Insulators TFE
    Outer Contact Nickel or gold plated as listed
    Crimp Ferrule Annealed copper alloys
    Environmental
    Temperature Range TFE: -65°C to +165°C
    Thermal Shock MIL-STD-202 method 107 condition C
    Vibration MIL-STD-202 method 204 condition D
    Vibration MIL-STD-202, method 204, test condition B
    Corrosion MIL-STD-202 method 101 condition B
    Shock MIL-STD-202 method 213 condition C

    Note: These characteristics are typical but may not apply to all connectors.