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TNC connectors are threaded versions of the popular BNC connectors. Internally identical, they feature a screw type coupling mechanism which enables them to be used in severe environments, particularly vibration and shock, where the spring loaded bayonet locking mechanism of the BNC would not be suitable. Coupling nuts, except where noted, do not have wire holes. Intended for use with .150 to .250 diameter coaxial cables, San-tron also makes versions that will accept cables ranging from .094 to .420 in diameter. TNC connectors operate from DC to 11GHz and are weatherproof. Unless otherwise noted all San-tron TNC connectors are nickel plated and have silver plated center contacts. They are also available in other finishes such as silver or Albaloy and with gold plated center contacts. All San-tron TNC connectors will mate with connectors and adaptors which have MIL-STD-348 TNC interfaces.

TECHNICAL DATA
PERFORMANCE
Frequency Range	DC-11 GHz
Voltage Rating	500 V RMS (sea level)
Nominal Impedance	50 ohms
DWV	1500 V RMS @ 60 Hz (sea level)
Insulation Resistance	5000 megohms
Temperature Range	-65ºC to +165ºC
MATERIALS
Dielectrics	PTFE Fluorocarbon per ASTM-D-1710, Type 1, GR1, CLA
Contacts (Female)	Beryllium copper per ASTM-B-196
Male Outer Contacts	Beryllium copper per ASTM-B-196 or brass per ASTM-B-16
Gaskets	Silicone rubber per ZZ-R-765, CL II, GR 50-60
Crimp Sleeves	DHP copper, CDA-122, soft temper
Other Metal Parts	Brass per ASTM-B-16
Locking Rings	Phosphor bronze per ASTM-B-159, spring temper
FINISHES
Center Contacts	Silver per QQ-S-365, gold per MIL-G-45204 or Albaloy
Other Metal Parts	Nickel per QQ-N-290, silver per QQ-S-365 or Albaloy 94