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The TNC Series, coaxial miniature connectors, Is dimensionally and electrically similar to the BNC series, but uses the thread coupling mechanism instead of bayonet locking system. This allows them to be used under a higher vibration loan then BNC.
Antennas Base Station Cable Assemblies
Cellular mobile telephones Components Instrumentation
Mil-Aero Networks Radar
Microwave Components    
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 7/16-28-UNEF-2B F 7/16-28-UNEF-2B
G     G 8.31 8.51
H 16.00 nom H 10.52  
I 5.33 5.84 I 4.55 5.23
Technical Characteristics
Impedance 50 ohm/ 75 ohm
Frequency Range 0 - 11 GHz/ 0 - 1.0 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 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
Engagement Force 2 in-lbs. max
Disengagement Force 2 in-lbs max.
Coupling Nut Retention 100 lbs. min.
Coupling Proof Torque 15 in-lbs. min.
Contact Retention 6.0 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