SMB Cable Connector  With Plug Female Straight Type (Cable Group: RG-179/U,RG-187/U)
Electrical Specifications
Impedance: 75 Ω
Frequency Range: 0-4 GHz with low reflection; usable to 10.0 GHz
Voltage Rating for RG-188/U Cable: 335 volts at sea level and 85 volts at 70,000 feet
Dielectric Withstanding Voltage:
RG-196: 750 VRMS;
RG-188: 1,000 VRMS
VSWR:
Straight connector, RG-196/U: 1.30±0 .04 f (GHz)
Right angle connector, RG-196/U: 1.45±0 .06 f (GHz)
Straight connector, RG-188/U: 1.25±0 .04 f (GHz)
Right angle connector, RG-188/U: 1.35±0 .04 f (GHz)
Contact Resistance:
Center contact: 6.0 mΩ initial, 8.0 after environmental;
Outer contact: 1.0 mΩ initial, 1.5 after environmental
Braid to body: 1.0 mΩ initial, after environmental N/A
Insulation Resistance:  1,000 MΩ Min.
Insertion Loss:
Straight connector: 0.30 dB @ 1.5 GHz
Right angle connector: 0.60 dB @ 1.5 GHz
RF Leakage:  -55 dB Min. @ 2-3 GHz
Mechanical
Mating:Snap-on coupling per MIL-STD-348
Braid/Jacket Cable Affixment:Hex crimp
Center Conductor Cable Affixment:Solder
Engagement Forces:
Engagement: 14 lbs maximum
Disengagement: 2 lbs minimum
Durability: 500 cycles Min.
Temperature Range:- 65°C to +165°C
Material
Center Contact:
Female: beryllium copper, gold-plated
Male: brass or beryllium copper, gold-plated
Outer Contact Plating:  Nickel or gold plating
Body:Brass or zinc
Body Plating: Nickel or gold plating
Insulator: TFE
Crimp Ferrule:Annealed copper alloy