Description
The BNC female-to-female surge protector is a critical safety component designed to shunt high-voltage transients to ground before they can reach sensitive electronic hardware. This variant features a BNC Female to BNC Female (Jack to Jack) bulkhead configuration, making it ideal for installation on a chassis wall or patch panel. By acting as a feed-through protector, it allows external antenna cables to connect on one side while providing a protected internal port on the other, effectively isolating the equipment from surge energy.
The device utilizes a Gas Discharge Tube (GDT) mechanism that remains transparent to RF signals during normal operation but reacts in nanoseconds to redirect dangerous surges to a dedicated grounding terminal. Optimized for applications up to 3GHz, it provides a wideband solution for GPS, cellular backhaul, and high-definition video systems. Manufactured with a ruggedized nickel-plated brass body and premium PTFE insulation, it ensures high shielding effectiveness and minimal insertion loss for critical network infrastructure.
Key Technical Advantages
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Bulkhead Feed-Through Design: Ideal for enclosure entry points, providing a secure mechanical mount while protecting the entire internal signal path from external surges.
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High-Frequency Performance: Supports a wide frequency spectrum from DC to 3GHz, maintaining compatibility with 4G/LTE, GPS, and broadband wireless signals.
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Rapid Response Time: The integrated gas discharge tube provides near-instantaneous diversion of lightning-induced transients and electrical spikes.
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Low Signal Interference: Precision-engineered to ensure minimal insertion loss and low VSWR, preserving signal power in high-sensitivity RF environments.
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Robust Grounding Port: Features a heavy-duty grounding terminal or nut assembly to ensure a low-impedance connection to the main building or chassis ground.
Key Features
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Interface Type: BNC Female (External) to BNC Female (Internal) Bulkhead configuration.
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Technology: Replaceable or Fixed Gas Discharge Tube (GDT).
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Frequency Range: DC – 3.0 GHz.
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Impedance: 50 Ohm (Standard) / 75 Ohm (Variant Dependent).
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Body Material: Nickel-Plated Brass for superior durability and shielding.
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Common Application: Telecommunications enclosures, wireless base stations, GPS timing systems, and outdoor-to-indoor signal transitions.
Technical Summary
| Parameter | Specification |
| Impedance | 50 Ohm / 75 Ohm |
| Frequency Range | DC – 3 GHz |
| Insertion Loss | ≤ 0.2 dB |
| VSWR | ≤ 1.2:1 |
| DC Breakdown Voltage | 90V / 230V / 350V (Standard 230V) |
| Max Surge Current | 5kA – 10kA (8/20µs) |
| Operating Temp | -40°C ~ +85°C |
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