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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 50 Ω impedance and
they operate from 0 - 11 GHz.
There are two types of TNC connectors: Standard and Reverse Polarity.
Reverse polarity is a keying system accomplished with a reverse
interface, and ensures that reverse polarity interface connectors
do not mate with standard interface connectors. Amphenol accomplishes
this by inserting female contacts into plugs and male contacts
into jacks. Other manufacturers may use reverse threading to accomplish
reverse polarity keying.
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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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Performance from 0 - 11 GHz operations
in many applications |
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Antennas |
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Base Stations |
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Cable Assembly |
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Cellular |
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Components |
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Instrumentation |
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Mil-Aero |
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Networks |
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Radar |
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Telecom |
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| Impedance |
50 Ω |
| Frequency Range |
0 - 11 GHz |
| Voltage Rating |
500 volts peak |
| Dielectric Withstanding Voltage |
1,500 volts rms |
| VSWR |
M39012 straight connectors: 1.3 max @ 0 - 11 GHzM39012 right
angle connectors: 1.35 max @ 0 - 11 GHz |
| Contact Resistance |
Center: contact 1.5 mΩOuter contact: 0.2 mΩ |
| Braid to Body |
0.1 mΩ |
| RF Leakage |
-60 dB minimum @ 3 GHz |
| Insertion Loss |
0.18 dB @ 9 GHz |
| Insulation Resistance |
= 5,000 MΩ |
| Mating |
7/16 threaded coupling |
| Braid/Jacket Cable Affixment |
Crimps: hex braid crimp Clamps: screw-thread nut and braid
clamp |
| Center Conductor Cable Affixment |
Crimps: crimp or solder All others: solder only |
| Captivated Contact |
All crimps unless specified otherwise |
| Cable Retention |
Crimps: 20 - 100 lbs Clamps: 20 - 50 lbs |
| Male Center Contacts |
Brass, silver or gold plated |
| Female Center Contact |
Beryllium copper or phosphorous bronze, silver or gold plated |
| Other Metal Parts |
Brass with nickel finish (except for M39012 which are silver) |
| Insulators |
TFE, Delrin |
| Clamp Gaskets |
Synthetic rubber, silicone rubber |
| Crimp Ferrule |
Copper |
| Temperature Range |
-65°C to +165°C |
| Weatherproof |
Clamps with clamp gaskets, Crimps with heat-shrink tubing |
| Hermetic Seals |
Pass helium leak test of 2x10-8 cc/sec |
| Shock |
MIL-STD-202, method 202 |
| Vibration |
MIL-STD-202, method 204, test condition D |
| Moisture Resistance |
MIL-STD-202, method 106 |
| Corrosion |
MIL-STD-202, method 101, test condition B |
| Temperature Cycling |
MIL-STD-202, method 102, test condition D |
| Altitude |
MIL-STD-202, method 105, test condition C |
Note: These characteristics are typical but may not apply to
all connectors.
| Impedance |
50Ω |
| Frequency Range |
0 - 4 GHz |
| Voltage Rating |
500 volts peak |
| Dielectric Withstanding Voltage |
1,500 volts rms |
| VSWR |
M39012 straight connectors: 1.3 max @ 0 - 4 GHzM39012 right
angle connectors: 1.35 max @ 0 - 4 GHz |
| Insertion Loss |
0.18 dB @ 9 GHz |
| Insulation Resistance |
= 5,000 MΩ |
| Mating |
437-28 threaded coupling |
| Braid/Jacket Cable Affixment |
Hex crimp |
| Center Conductor Cable Affixment |
Hex crimp or solder |
| Captivated Contact |
Except as noted |
| Cable Retention |
20 - 100 lbs depending on cable |
| Male Center Contacts |
Brass, gold plated |
| Female Center Contact |
Beryllium copper or phosphorous bronze, gold plated |
| Other Metal Parts |
Brass with bright nickel finish |
| Insulators |
TFE |
| Weatherproof Gaskets |
Silicone rubber |
| Temperature Range |
-65°C to +165°C |
| Weatherproof |
When mated with other Amphenol RP-TNC connectors |
| Corrosion |
MIL-STD-202, method 101, test condition B |
Note: These characteristics are typical but may not apply to
all connectors.
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