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Developed in the late 1950's, the TNC stands for Threaded Neill Concelman and is named after Amphenol engineer Carl Concelman. Designed as a threaded version of the BNC, the TNC series features screw threads for mating.
TNC are miniature, threaded weatherproof units with a constant impedance of 50 Ohms and operate at DC to 11 GHz. As a ruggedized version of the BNC, the TNC features a threaded coupling that offers extra mating stability. TNC connectors are used in many applications including Mil-Aero, instrumentation, and cable assemblies.
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Threaded coupling interface ensures connector will not de-couple in vibration-intensive applications
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Many TNCs are recognized under the component program of Underwriter's Laboratories and have undergone stringent testing from an independent laboratory
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Frequency range DC to 11 GHz
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Antennas
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Cellular
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Mil-Aero
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Telecom
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Base Stations
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Components
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Networks
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Cable Assembly
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Instrumentation
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Radar
Electrical
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DC to 11 GHz | |
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Nominal Impedance |
50 Ohms |
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Voltage Rating |
500 volts peak |
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Dielectric Withstanding Voltage |
1,500 volts RMS |
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VSWR |
M39012 straight connectors: 1.10 + .015 x FGHz M39012 right angle connectors: 1.15 + .020 x FGHz |
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Contact Resistance Center contact Outer contact Braid to Body |
1.5 Milliohms 0.2 Milliohms 0.1 Milliohms |
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RF Leakage |
-60 dB Min. @ 3 GHz |
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Insertion Loss |
0.18 dB @ 9 GHz |
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Insulation Resistance |
5,000 Megohms |
Mechanical
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Mating |
7/16 threaded coupling |
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Braid/Jacket Cable Affixment |
Crimps: hex braid crimp clamps: screw-thread nut and braid clamp |
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Center Conductor Cable Affixment |
Crimps: crimp or solder; all others: solder only |
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Captivated Contact |
All crimps unless specified otherwise |
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Cable Retention |
Crimps: 20 - 100 lbs; Clamps: 20 - 50 lbs |
Materials
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Brass, Silver or Gold plated |
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Beryllium Copper or Phosphorous Bronze, Silver or Gold plated |
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Other Metal Parts |
Brass with Nickel finish (except for M39012 which are Silver) |
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Insulators |
TFE, Delrin |
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Clamp Gaskets |
Synthetic Rubber, Silicone Rubber |
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Crimp Ferrule |
Copper |
Environmental
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-65°C to +165°C |
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Weatherproof |
Clamps with clamp gaskets; Crimps with heat-shrink tubing |
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Hermetic Seals |
Pass helium leak test of 2x10-8 cc/sec |
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Shock |
MIL-STD-202, method 202 |
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Vibration |
MIL-STD-202, method 204, test condition D |
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Moisture Resistance |
MIL-STD-202, method 106 |
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Corrosion |
MIL-STD-202, method 101, test condition B |
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Temperature Cycling |
MIL-STD-202, method 102, test condition D |
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Altitude |
MIL-STD-202, method 105, test condition C |