MBB75DFG
Product Features
- True 75Ω Impedance: Precision-engineered to meet strict HD video and broadcast signal standards, minimizing signal reflection and loss.
- Gold-Plated Contacts: Cage-style, gold-plated center and outer contacts ensure superior conductivity and long-term corrosion resistance.
- Rugged Zinc Die-Cast Housing: Nickel-plated zinc alloy shell offers excellent mechanical strength and durability in demanding environments.
- Flush, Protective D-Shape Design: Standard D-shape housing enables clean front-panel mounting while shielding the connector from impact and damage.
- Low Contact Resistance: ≤3mΩ (inner) / ≤2mΩ (outer) ensures minimal signal degradation for high-fidelity transmission.
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Details
| Product Parameters | |
| Connection Type | BNC |
| Gender | Female |
| Electrical Parameters | |
| Contact resistance | ≤3mΩ(inner) , ≤2mΩ (outer) |
| Dielectric strength | 1.5 kV DC |
| Impedance | 75Ω |
| Insulation resistance | > 5 GΩ |
| Rated voltage | < 50 V |
| Mechanical Parameters | |
| Insertion force | ≤ 25 N |
| Service life | > 1000 mating cycles |
| Chassis shape | D |
| Material and environmental parameters | |
| Shell | Zinc diecast |
| Shell plating | Ni |
| Contacts | Brass |
| Contact surface | Au |
| Temperature range | -30°C ~ +85°C |
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Description
The MBB75DFG is a 75Ω true-impedance BNC female jack engineered for isolated panel mounting in professional video, broadcast, and HD signal transmission systems. Featuring a robust zinc die-cast D-shape housing with nickel plating, gold-plated brass center and outer contacts, and a cage-style contact design, the MBB75DFG delivers stable, low-resistance connections that meet the stringent demands of high-definition signal applications. Its standard D-shape shell allows for flush, front-panel mounting, protecting the connector from mechanical damage while maintaining a clean, professional appearance in equipment racks and chassis panels.
Key Features
- True 75Ω Impedance Design: Purpose-built 75Ω construction meets stringent HD video and broadcast signal requirements.
- Gold-Plated Center Contact: Cage-style, gold-plated contact ensures reliable, low-loss signal transfer.
- Isolated Panel Mount: Designed for isolated, front-panel installation on equipment chassis.
- Standard D-Shape Housing: Provides flush mounting and added protection against physical damage.
- BNC Female Connector: Standard BNC bayonet-style female interface for quick, secure mating.
Material and Environmental Specifications
- Shell Material: Zinc die-cast for durability and mechanical strength.
- Shell Plating: Nickel-plated finish for corrosion resistance and long-term wear performance.
- Contact Material: Brass contacts for reliable conductivity.
- Contact Surface Plating: Gold-plated contact surface for enhanced conductivity and oxidation resistance.
- Operating Temperature Range: Rated for -30°C to +85°C, suitable for demanding indoor and outdoor environments.
Electrical and Mechanical Performance
- Contact Resistance: ≤3mΩ (inner contact), ≤2mΩ (outer contact) for minimal signal loss.
- Dielectric Strength: Rated at 1.5kVdc for reliable electrical insulation.
- Insulation Resistance: >5GΩ, ensuring excellent electrical isolation.
- Rated Voltage: <50V, suitable for low-voltage signal transmission applications.
- Insertion Force: <25N for smooth, easy mating.
- Service Life: Rated for over 1,000 mating cycles, supporting long-term reliability.
Dimensions
- Panel Cutout: Circular cutout of ⌀22.5mm with mounting hole spacing of 19mm × 24mm (2× ⌀3.4mm mounting holes).
- Front Housing Footprint: 26mm × 31mm D-shape flange.
- Overall Depth: 32mm from mounting face, with a 5.1mm flange thickness.
Assembly Instructions
- Mounting Direction: Installed from the front of the panel (front-panel mount configuration).
- Mounting Hardware: Secured using two mounting holes (⌀3.4mm) matched to the panel cutout pattern.
- Panel Cutout Preparation: Panel should be prepped with a ⌀22.5mm circular opening and correctly spaced mounting holes per the dimensional drawing prior to installation.
