TNC Connectors

TNC ConnectorTNC connector is medium size compared with SMA connectors and N connectors in RF connector. TNC Connector is designed to have 7/16”-28 thread mating. Besides, TNC connector series are available for RF cables type and PCB type. TNC Connector commonly is used for 0~4GHz (50 ohm) and 0~1GHz (75 ohm), but offers 11 GHz max.

Wellshow Technology manufactures various TNC connectors and custom TNC RF cable assemblies in Taiwan. We can provide good quality TNC connectors in short time and welcome OEM or customized RF connector. Contact us by email or call us 886-2-24270488 to start business!

TNC Connector Series

All TNC Connector

TNC Plug Connector

TNC Jack Connector


The TNC coaxial connector was developed with 7/16”-28 thread mating and is an ideal choice for using in RF coaxial equipment which needs a high durable coupling.

TNC connector have 50 and 75 ohm impedance and offer broadband capability from 0 to 4 GHz.

TNC connector is commonly used in military radio telecommunication systems, or Computer, Test Instrument, Cellular Mobile Phone, Data Transmission, Medical Equipment and Microwave Components.

Product Range

  • Cable Connectors (straight and right angle) for flexible, semi-flex and semi-rigid cables
  • PCB connectors (straight and right angle)
  • Panel connectors in various flanges
  • Adaptors


  • Cable Assembly
  • Microwave Components
  • Base Stations
  • Cellular Mobile Phones
  • Instrumentation
  • Military equipment
  • Radar
  • Networks
  • Antennas
  • Telecommunications



TNC Interface Dimensions

TNC Plug Connector Interface

TNC Plug Connector Interface

TNC Jack Connector Interface

TNC Jack Connector Interface



TNC Connector Technical Characteristics

Impedance50 ohm or 75 ohm
Frequency range0 ~ 4 GHz for 50 ohm
0 ~ 1 GHz for 75 ohm
VSWRStraight type ≤ 1.3 max.
R/A type ≤ 1.5 max.
Dielectric withstanding voltage1500 V rms
Working voltage0500 V rms
Center contact resistance≤ 3.0 mΩ (Milliohms max.)
Outer contact resistance≤ 2.0 mΩ (Milliohms max.)
Insulation resistance≥ 5 x 103 MΩ (Megohms min.)
Coupling7/16-28 thread
Contact Retention6 lbs min.
Mating Durability500 cycles min. (For Beryllium copper contact only)
Temperature RangeTeflon −65ºC ~ +155 ºC
Delrin −55ºC ~ +85 ºC
Coupling nut retention100 lbs. min.
VibrationMIL-STD-202 Meth. 204
Corrosion resistanceMIL-STD-202 Meth. 101
Body, coupling nutBrass
InsulatorTeflon, Delrin
Center contactBrass for male,
Beryllium copper or Phosphor bronze for female
Crimping sleeveAnnealed Brass
Body platingNickel (Ni)
Center contact platingGold (Au)

Note: These characteristics are typical and may not apply to all connectors.