Description
The TNC (Threaded Neill-Concelman) series is a high-reliability RF interface designed to maintain constant electrical contact in environments subject to intense shock and vibration. This 4-Hole Panel Mount variant features a precision-machined square flange that provides a permanent, non-rotating mechanical platform for mounting directly onto equipment chassis or internal bulkheads. The four-hole configuration ensures superior mechanical stability and ground contact compared to standard single-nut bulkhead mounts.
This connector features a solder-cup termination, allowing for the direct attachment of internal chassis wiring or the center conductor of a semi-rigid or flexible coaxial cable. By using a solder interface, this connector offers a low-resistance, high-integrity signal path that is ideal for custom RF modules, test fixtures, and low-frequency to microwave-frequency transitions. Manufactured with a heavy-duty nickel-plated brass body and premium PTFE (Teflon) insulation, it delivers consistent 50-Ohm performance and low VSWR up to 11 GHz.
Key Technical Advantages
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Rigid 4-Hole Flange Mount: Provides maximum mechanical stability and prevents the connector from twisting or loosening under heavy vibration, ensuring a permanent and reliable panel interface.
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Direct Solder Termination: Features a high-conductivity solder cup for easy and reliable internal wiring, making it the preferred choice for custom chassis builds and specialized instrumentation.
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Vibration-Proof Threaded Interface: The 7/16-28 external threads ensure a secure, locked connection when mated with TNC male plugs, essential for mobile military and industrial applications.
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High-Frequency Stability: Precision-machined to maintain consistent impedance and low insertion loss up to 11 GHz, supporting modern wireless, GPS, and telemetry bands.
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Rugged Environmental Build: The nickel-plated brass construction and PTFE dielectric offer excellent resistance to thermal cycling and oxidation, ensuring long-term performance in harsh deployment conditions.
Key Features
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Interface Type: TNC Female (Jack) with standard 7/16-28 external threads.
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Mounting Type: 4-Hole Square Flange Panel Mount (17.5mm / 0.689″ standard flange).
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Termination Method: Solder (Internal Center Contact) / Solder (Outer Body/Flange Ground).
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Premium Construction: Features a nickel-plated brass body and high-performance PTFE dielectric.
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Common Application: RF power amplifiers, tactical radio chassis, aerospace communication panels, and laboratory test fixtures.
Technical Summary
| Parameter | Specification |
| Impedance | 50 Ohm (Nominal) |
| Frequency Range | DC – 11 GHz |
| Body Material | Brass (Nickel Plated) |
| Contact Material | Phosphor Bronze or Brass (Gold Plated) |
| Dielectric | PTFE (Teflon) |
| Coupling Mechanism | Threaded (7/16-28 UNEF) |
| Operating Temp | -65°C ~ +165°C |






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