Description
The BNC (Bayonet Neill-Concelman) adapter is one of the most recognizable RF components, prized for its quick-connect and disconnect capability. This “in-series” coupler allows two devices or cables terminating in BNC-Female jacks to be joined instantly with a simple quarter-turn. While the BNC interface is typically rated for frequencies up to 4 GHz, it is exceptionally reliable for lower-frequency applications like SDI video, oscilloscope connections, and amateur radio.
Most professional-grade BNC adapters are constructed with a Nickel-plated Brass body for durability and a Gold-plated center pin to ensure high conductivity and minimal signal loss. The internal PTFE (Teflon) dielectric provides excellent insulation and heat resistance. Whether you are extending a camera feed or reconfiguring a lab bench, this adapter offers a tool-free, secure connection that resists accidental decoupling.
Key Technical Advantages
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Rapid Bayonet Coupling: Allows for instant connection and disconnection without the need for threading or tools.
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Versatile Frequency Range: Optimized for stable performance from DC to 4 GHz, making it ideal for most analog and digital video signals.
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Secure Locking Mechanism: Once engaged, the bayonet lugs provide a positive lock that maintains electrical contact even under movement.
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Standardized 50 Ohm Impedance: Matches the most common RF cables and test equipment to prevent signal reflections (75 Ohm versions are also available for specific video needs).
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Industrial Durability: Precision-machined to withstand hundreds of mating cycles in professional broadcast and security environments.
Key Features
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Adapter Type: Straight / In-Series Coupler.
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Interface: 2x BNC Male (Plug).
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Impedance: 50 Ohm (Standard).
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Body Material: Nickel-Plated Brass.
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Contact Material: Gold-Plated Brass or Beryllium Copper.
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Insulator: PTFE (Teflon).
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Common Applications: CCTV security systems, laboratory oscilloscopes, radio antenna extensions, and broadcast video routing.
Technical Summary
| Parameter | Specification (Typical) |
| Impedance | 50 Ohm |
| Frequency Range | DC to 4 GHz |
| VSWR | ≤ 1.30 @ 4 GHz |
| Insertion Loss | ≤ 0.2 dB |
| Mating Cycles | ≥ 500 Cycles |
| Working Voltage | 500 V RMS |
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