Description
The TNC Tee-Type Adapter (Male-Male-Male) is a precision RF component designed to branch a single signal path into two, or to combine two signals into one, using three standard TNC Male interfaces. TNC (Threaded Neill-Concelman) connectors are essentially a threaded version of the BNC connector, providing superior mechanical stability and electrical performance at higher frequencies. This adapter is precision-machined to maintain signal integrity up to 4 GHz, making it suitable for high-speed data links, avionics, and ruggedized industrial wireless systems.
The adapter features a Nickel-Plated Brass body for superior durability and environmental shielding, with Gold-Plated center contacts to ensure maximum signal conductivity and low contact resistance. The threaded coupling on all three ports ensures a secure, high-retention connection that prevents signal decoupling during intense vibration or mechanical shock. This specific M-M-M configuration is often utilized to interconnect two female-terminated cables with a female chassis-mounted port on a radio unit or ruggedized signal processor.
Key Technical Advantages
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Vibration-Resistant Threaded Interface: The TNC threaded coupling provides a significant mechanical advantage over bayonet-style connectors, ensuring electrical stability in high-vibration applications like aerospace and heavy machinery.
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Extended Frequency Range: Precision-tuned to operate from DC up to 4 GHz, offering lower VSWR and better return loss than standard TNC adapters rated for lower spectrums.
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Triple-Male Configuration: A specialized layout that facilitates unique interconnection needs in rugged environments, reducing the requirement for additional adapters or gender changers.
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Rugged Mechanical Design: The nickel-plated brass construction offers excellent corrosion resistance and physical strength for demanding field use.
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High Signal Fidelity: Utilizes high-grade PTFE (Teflon) insulators to maintain a consistent 50 Ohm impedance, critical for preventing reflections in critical RF communication chains.
Key Features
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Adapter Type: Tee-Type (T-Shape).
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Interface: 3x TNC Male (Plug).
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Impedance: 50 Ohm.
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Body Material: Brass (Nickel Plated).
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Contact Material: Brass (Gold Plated).
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Insulator: PTFE (Teflon) for high-frequency and thermal stability.
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Common Applications: Avionics and aerospace telemetry, ruggedized industrial wireless, military communication manifolds, and high-vibration RF test setups.
Technical Summary
| Parameter | Specification (Typical) |
| Impedance | 50 Ohm |
| Frequency Range | DC to 4 GHz |
| VSWR | ≤ 1.30 @ 4 GHz |
| Working Voltage | 500 V RMS |
| Insulation Resistance | ≥ 5000 MΩ |
| Mating Cycles | ≥ 500 Cycles |





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