Product Introduction
This product is a 75Ω straight BNC male connector-commonly known in the industry as a "Q9 connector"-specifically designed for video surveillance applications. It is compatible with mainstream 75-ohm coaxial cables such as SYV-75-5 and RG59, offering stable signal transmission and minimal signal loss. It integrates seamlessly with a wide range of systems, including traditional analog surveillance, HD-CVI/TVI/AHD coaxial HD surveillance, and SDI digital video systems.
Environment
| Temperature Range | -55℃~+155℃(PE Cable-40℃~+85℃) |
| Frequency Range | DC~4GHz |
| Working Voltage | 500V r.m.s,at sea level |
| Vibration | 100 m/s²(10~500Hz),10g |
| Salt spray test | 5%NaCl solution;test time≥48h |
| Waterproof Sealing | IP67 |
Specifications
| Withstanding Voltage | 1500V r.m.s,at sea level |
| Contact resistance | |
| Center contact | ≤1.5mΩ |
| Outer Contact | ≤1.5mΩ |
| Insulation resistance | ≥5000 MΩ |
| Center conductor retention force | ≥0.57 N |
| Engagement force | ≤20 N |
| Disengagement force | ≥445N |
| Insertion Loss | 0.2 dB/3 GHz |
| V.S.W.R | |
| Straight | ≤1.22/3GHz |
| Right angle | ≤1.30/3 GHz |
| Shielding Efficiency | ≥55 dB/3GHz |
| Durability(matings) | ≥500次(cycles) |
Materials and Plating
| Body | Brass/Nickel plated |
| Resilient contact | Brass/Gold or nickel plated |
| Socket contact | beryllium-copper/Gold or nickel plated |
| Resilient contact | Tin bronze/Gold or silver plated |
| Insulator | PTFE |
| Crimp ferrule | copper alloy/Nickel plated |
| O-ring sealing | 6146 silicone rubber |
physical structure
The Q9 BNC-C-75J5 male connector is the perfect match for video surveillance systems. Featuring a classic bayonet-style locking mechanism, it allows for quick connection and disconnection with a simple, crisp twist. Its internal serrated locking slots ensure a secure grip and excellent vibration resistance, guaranteeing a stable connection even in outdoor settings or rugged industrial environments. As a dedicated 75Ω video connector, it utilizes a design combining thin insulation with an air gap to precisely control characteristic impedance and significantly minimize signal loss-setting it apart from traditional 50Ω communication connectors with thick insulation. It is truly engineered specifically for video surveillance signals.
advantages
This Q9 BNC-C-75J5 male video connector inspires confidence at first glance. Its classic bayonet-style design allows for quick locking and unlocking with just a simple twist, while the serrated grooves ensure a rock-solid grip-meaning it won't let you down, even in outdoor settings or high-vibration industrial environments. Engineered specifically for 75Ω video signals, it features a design with thin insulation and an air gap to precisely control impedance and drastically minimize signal loss; it is in a completely different league than standard 50Ω communication connectors. Once you use it, you'll understand what "professional and reliable" really means.
Applications
The Q9 male BNC-C-75J5 surveillance video connector is commonly used in the following scenarios:
1,Signal connections for various surveillance cameras
2,Analog / Coaxial HD surveillance systems
3,SDI digital video transmission systems
4,Integration of surveillance hosts, monitors, and video splitters
5,Standard security for residential complexes, shops, and business parks
6,Industrial surveillance for factory sites, construction sites, and server rooms
7,Outdoor public surveillance for roads, parking lots, and similar areas
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