HD-BNC Connectors
High-density BNC connectors optimized for broadcast-quality RF performance
Overview
Amphenol RF’s HD‑BNC series delivers industry-leading 75 Ω performance in a compact, quarter-size footprint, enabling four times the density of traditional BNC connectors—ideal for modern broadcast, CATV, and high-speed video applications.
These connectors blend familiar bayonet coupling with precision design, offering up to 12 GHz signal integrity, ruggedized construction, and IP67 sealing options for demanding environments. Whether used in studio patch panels or industrial enclosures, HD‑BNC connectors ensure clean, reliable RF connections in high-density layouts.
Features and Benefits
- Compact design—51% smaller than legacy BNC, enabling high-density configurations in modern systems
- True 75 Ω performance (also available in 50 Ω variants) with low insertion loss (<0.1 dB)
- Broadcast-grade frequency support up to 12 GHz for 12G‑SDI applications
- Rugged bayonet locking mechanism with tactile feedback, rated for ≥ 500 mating cycles
- Available IP67 versions with sealed, closed-entry design for harsh environments
Key Technical Details
- Impedance: 75 Ω standard (also offered in 50 Ω)
- Frequency Range: DC–6 GHz (standard); 6–12 GHz models for 12G‑SDI video
- Insertion Loss: ≤ 0.1 dB (f(GHz)^½)
- Voltage Rating: 170 VRMS; 500 VRMS dielectric withstanding
- Mechanical Coupling: Quarter-turn bayonet interface; ≥ 500 mating cycles
Applications
- 4K/Ultra-HD broadcast and production facilities
- Studio patch panels and high-density distribution systems
- Mobile broadcast cameras and field equipment
- Industrial and marine RF enclosures requiring robust, sealed connectivity
- Broadcast test gear and instrumentation supporting HD/12G‑SDI formats
Browse our range of HD‑BNC connectors—including bulky‑proof IP67 jacks, board-mount types, terminations, and adapters. For custom cable assemblies, bulkhead connectors, or ruggedized solutions, contact our technical team to find the perfect fit.
Specifications
HD-BNC Connectors
50 Ohm
Electrical
| Impedance | 50 Ohm |
| Frequency Range | DC - 6 GHz
|
| Voltage Rating | 170 Volts RMS Max Continuous
|
| Dielectric Withstanding Voltage | 500 VRMS Max |
| VSWR (Return Loss) |
|
|
DC - 4 GHz
|
1.065 (-30 dB) Max
|
| Insulation Resistance | 10000 MΩ Min
|
| Center Contact Resistance | 5.0 mΩ Min
|
| Outer Contact Resistance | 2.5 mΩ Min
|
| RF Leakage | 60 dB Max @ 1 GHz
|
| Insertion Loss | .1 √(f(GHz)) dB Max
|
Environmental
| Temperature Range | −65°C to +165°C
|
| Thermal Shock | MIL-STD-202, Method 107 (Test Condition B), Except high temp test @ +200⁰C
|
| Corrosion | MIL-STD-202, Method 101 (Test Condition B) - 5% Salt Solution
|
| Vibration | MIL-STD-202, Method 204 (Test Condition B)
|
| Mechanical Shock | MIL-STD-202, Method 213 (Test Condition B)
|
| Moisture Resistance | MIL-STD-202, Method 106
|
Mechanical
| Mating Cycles
|
500 Min
|
| Coupling Mechanism | Bayonet
|
| Interface Specification
|
Amphenol RF Proprietary
|
75 Ohm
Electrical
| Impedance | 75 Ohm |
| Frequency Range | DC- 6 GHz (0 - 18 GHz on 12G Products)
|
| Voltage Rating | 170 Volts RMS Max Continuous
|
| Dielectric Withstanding Voltage | 500 VRMS Max
|
| VSWR (Return Loss) |
|
|
12G Products: DC - 6 GHz
|
1.22 (-20 dB) Max |
|
12G Products: 6 - 12 GHz
|
1.43 (-15 dB) Max |
| Insulation Resistance | 10000 MΩ Min
|
| Center Contact Resistance | 5.0 mΩ Min
|
| Outer Contact Resistance | 2.5 mΩ Min
|
| RF Leakage | 60 dB Max @ 3 GHz
|
| Insertion Loss | .1 √(f(GHz)) dB Max
|
Environmental
| Temperature Range | −65°C to +165°C
|
| Thermal Shock | MIL-STD-202, Method 107 (Test Condition B), except high temp test @ +200⁰C
|
| Corrosion | MIL-STD-202, Method 101 ( Test Condition B) - 5% Salt Solution
|
| Vibration
|
MIL-STD-202, Method 204 (Test Condition B)
|
| Mechanical Shock
|
MIL-STD-202, Method 213 (Test Condition B)
|
| Moisture Resistance
|
MIL-STD-202, Method 106
|
Mechanical
| Mating Cycles
|
500 Min
|
| Coupling Mechanism | Bayonet
|
| Interface Specification
|
Amphenol RF Proprietary
|
Note: These characteristics are typical and may not apply to all connectors.
Connector configurations may affect performance.
Related Resources
Design security into your system with waterproof HD-BNC interface
Amphenol RF is pleased to offer a wide selection of waterproof IP67-rated HD‐BNC connectors. These connectors are designed specifically for use in applications where the system may be compromised through exposure to the elements.
New HD-BNC connectivity options for ultra-flexible low-loss cable
Amphenol RF is pleased to announce the expansion of the HD-BNC product series with two new cable connectors. These connectors are specifically designed to terminate to the Times Microwave LMR-195-UF cable type which is engineered to be an ultra-flexible low loss cable option.
New 12G-SDI broadcast products to support plenum cable
Amphenol RF is pleased to introduce an expansion of their 12G-SDI broadcast products.
HD-BNC dual-port PCB connectors increase connectivity density
Amphenol RF expands its HD-BNC offerings with dual port PCB jacks optimized for 12G SDI broadcast performance.
Make panel mount connections direct to broadcast components
Amphenol RF is pleased to announce the expansion of its industry-leading 12G product portfolio to include pre-configured HD-BNC cable assemblies featuring panel mount jack connectors on the popular Belden 4855R cable type.
Amphenol RF HD-BNC Product Series Solutions Guide
The Amphenol RF HD-BNC Product Series Guide outlines a compact RF connector interface designed for high-density signal routing. It focuses on connector and cable configurations that maintain standard BNC performance in a reduced footprint, detailing electrical and mechanical characteristics, interface options, and use in applications such as broadcast video, test equipment, and other high-frequency systems.
50 Ohm HD-BNC Cable Assemblies
Amphenol RF's 50-ohm HD-BNC cable assemblies are designed for high-density applications, providing a compact and lightweight solution with a push-and-turn interface for enhanced performance. These assemblies, compatible with industry-standard RG-316 cable, support a frequency range up to 6 GHz and are ideal for telecommunications, instrumentation, radios, military, and industrial applications.
High Density Broadcast Solutions
The "High-Density Broadcast Solutions" document from Amphenol RF highlights their range of RF interconnects designed for broadcast connectivity, including BNC, Mini-BNC, 1.0/2.3 DIN, and HD-BNC connectors. These connectors offer various impedances and frequency ranges, with HD-BNC providing the highest density at an 8mm pitch and supporting data rates up to 12 Gb/s. Applications include high-definition transmission, video routing, mobile broadcast equipment, and digital signage, ensuring reliable performance and reduced equipment size without compromising signal integrity.
White Paper: High Density Interconnect Standards
The "High Density Interconnect Standards for Next Generation Broadcast Networks" paper discusses the HD-BNC connector, designed to meet modern broadcast systems' demands for higher density and performance. HD-BNC offers significant density improvements over traditional BNC connectors, with a 75 ohm interface optimized for high bandwidth up to 6 GHz. It maintains robustness and user-friendly bayonet-style mating, providing better mechanical and RF performance than other high-density alternatives like 1.0/2.3 and Mini-BNC. The HD-BNC's design ensures compatibility with industry-standard tools and cables, making it a superior choice for next-generation broadcast applications.
12G SDI Broadcast Solutions
Amphenol RF offers 12G SDI broadcast solutions designed for Ultra High Definition (4K) video, utilizing BNC, HD-BNC, and MCX connectors optimized for 12 Gbps data transfer. These connectors provide reliable, high-quality signal transmission on a single channel, supporting various applications including mobile broadcast, HD cameras, and video routers.
12G Isolated BNC and HD-BNC Connector Series
Amphenol RF's 12G Isolated BNC and HD-BNC connectors are designed for high-performance broadcast applications, offering 12 Gbps performance per SMPTE standard with additional signal isolation. These 75 Ohm connectors are available in straight and right-angle configurations, providing design flexibility for densely packed applications, and feature a unique dielectric sleeve for isolation, preventing body to panel grounding. They are ideal for mobile broadcast, HD cameras, digital signage, and other video-related applications.
IP67 Sealed HD-BNC Connector Series
The Amphenol RF IP67 HD-BNC Product Series features waterproof HD-BNC connectors designed for high-density applications that require protection against environmental elements. These connectors are 75% smaller than traditional BNC connectors, offer a bayonet-style positive lock mechanism, and are available in both 50 and 75 ohm configurations, making them ideal for high-definition cameras, military radios, broadcast studios, and remote industrial equipment.
RF Interconnect for 12G-SDI Broadcast Applications -- Amphenol RF and Mouser Electronics
September 23, 2020 - Today’s 4K and emerging 8K video standards require an enormous amount of bandwidth. And, with all that bandwidth, there are new demands on our interconnects. In this episode of Chalk Talk, Amelia Dalton chats with Mike Comer and Ron Orban of Amphenol RF about the evolution of broadcast technology and the latest interconnect solutions that are required to meet these new demands.
More information about Amphenol RF Adapters & Cable Assemblies for Broadcast: https://bit.ly/3iYYECS
BNC vs. HD-BNC: What's the Difference?
Discover the key differences between the classic BNC connector and the high-performance HD-BNC connector in this quick comparison! From size and signal performance to applications in broadcasting, telecommunications, and beyond, find out which connector is best for your needs.
Smaller Size, Bigger Performance
High-Density Connections
Perfect for Modern High-Frequency Systems
Watch now to see why HD-BNC might be your next go-to solution!
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