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The BNC Series, coaxial miniature connectors is one of the most popular and versatile connector serious in a wide variety of styles, which is with a two-stud quick disconnect bayonet locking system and particularly useful for frequently coupled and uncoupled RF connections.
Antennas Automotive Base Stations
Broadcast (75�[) Cable Assemblies Cable Modems
Components Computer/LANs Instrumentation
Oscilloscopes Medical Equipment Mil/Aero
Radios Satcom Surge Protection
Interface Mating Dimensions:

Interface Dimension in Millimeters
Male Female
mm mm
  Min. Max.   Min. Max.
A 2.06 2.21 A 2.06 2.21
B Resilient dim. B 8.10 8.15
C 4.83   C   4.72
D 5.28 5.79 D 4.78 5.28
E 1.32 1.37 E Resilient dim.
F   15.06 F 10.52  
G     G 8.31 8.51
H     H 10.97 11.07
I 5.33 5.84 I 4.72 5.23
K 7.00 nom K 7.00 nom
Technical Characteristics
Impedance 50 ohm/ 75 ohm
Frequency Range 0 - 4 GHz/ 0 - 1 GHz
Working Voltage 500 VRMS max.
Dielectric Withstanding Voltage 1500VRMS
VSWR Straight 1.3 max.
Right Angle 1.5 max.
Contact Resistance Center Contact 3 Milliohm Max.
Outer Contact 2 Milliohm Max.
Insulator Resistance 5000 Mega ohms min.
Part Name Material Finish
Body, Metal Parts Brass or Zinc Alloy Nickel
Center Contacts Plug: Brass Gold
  Jack: Brass,
Beryllium Copper, Phosphor Bronze
Insulator PTFE or Derlin  
Crimp Ferrule Annealed Copper Nickel
Clamp Gaskets Silicone Rubber or Rubber  
Mechanical & Environmental
Mating Two Stud Bayonet Coupling
Engagement Force 2.5 in-lbs. max. torque
Disengagement Force 3 lbs. max. axial force
Coupling Nut Retention 100 lbs. min.
Contact Retention 6 lbs. min.
Durability (Mating) 500 cycles min. (For Be/Cu Jack Contact only)
Temperature Range -65°C ~ 165°C
Vibration MIL-STD-202 Meth. 204/B
Salt Spray MIL-STD-202 Meth. 101/B
Thermal Shock MIL-STD-202 Meth. 107/B