ΦDBA Series Circular Electrical Connectors

ΦDBA Series Circular Electrical Connectors

   The ΦDBA Series circular electrical connector is a high-reliability connector designed in accordance with MIL-C-83723D Series III military standards. Featuring a threaded coupling with self-locking mechanism, it is specifically engineered for harsh environments characterized by high temperatures, severe vibration, and shock. The connector incorporates interface sealing at the mating surface, providing effective moisture and dust resistance to ensure stable power and signal transmission in demanding applications such as aerospace, aviation, and military equipment. Its high-density integration and robust construction meet the requirements for high current density, high voltage levels, and long-term reliability.

Product Descriptions from the Supplier

   The ΦDBA Series circular electrical connector has demonstrated outstanding performance across multiple demanding applications. Its threaded coupling with self-locking mechanism maintains a secure connection even under severe vibration and shock, with no loosening or contact failure ever observed. The interface sealing at the mating surface effectively blocks oil, moisture, and dust, providing excellent environmental adaptability. Compliance with MIL-C-83723D Series III military standards ensures excellent interchangeability and compatibility during system integration. With a wide operating temperature range from -55℃ to +125℃, along with exceptional vibration and shock resistance, it fully meets the high-reliability requirements of aerospace and military equipment applications. This is a proven, trustworthy high-performance connector.

Specifications

Mechanical & Environmental Specifications

Electrical Specifications

Applications

1.   Aerospace: Airborne avionics, engine control, spacecraft equipment
2. Military Equipment: Radar systems, missile guidance, tactical communication devices
3. Industrial Automation: Robot control, servo drives, heavy machinery
4. Rail Transportation: Train control systems, signal transmission equipment
5. Energy Sector: Oil exploration, nuclear power plant equipment, power systems

Functionality

1. Electrical Connection: Enables circuit connection for power and signals, suitable for high current density and high voltage circuit systems
2. Environmental Adaptability: Features sealing and shielding capabilities, offering high reliability in harsh environments such as aerospace and military applications
3. Mechanical Locking: Utilizes push-pull self-locking mechanism, automatically locks upon insertion for easy operation
4. High-Density Integration: Compact circular design with multiple contact arrangements to meet various signal transmission requirements
5. Electromagnetic Compatibility: Select models available with EMI service class for electromagnetic shielding protection

Key Features

1. Military Standard Compliance: Meets MIL-C-83723D Series III standard, reliable quality and strong interchangeability
2. Threaded Coupling with Self-Locking: Secure connection, anti-loosening, suitable for high-vibration applications
3. High Temperature & Harsh Environment Resistance: Designed for extreme temperatures and harsh conditions, stable performance
4. Severe Vibration & Shock Resistance: Robust construction maintains reliable connection under intense shock and vibration
5. Interface Sealing at Mating Surface: Effective sealing after mating, moisture and dust resistant, strong environmental adaptability

Custom Design

     The ΦDBA Series utilizes a threaded self-locking mechanism for vibration resistance and anti-loosening, employs elastic contacts to ensure low-resistance transmission, incorporates interface sealing to block moisture and dust, and optimizes insulation and housing design to meet high-reliability connection requirements under wide temperature ranges, voltage resistance, and harsh environments.

1. Locking Design: Threaded coupling with self-locking mechanism, resistant to severe vibration and shock, ensures no loosening
2. Contact Design: 20# contacts, contact resistance ≤0.005Ω, rated current 7.5A
3. Sealing Design: Interface sealing at mating surface, moisture and dust resistant, strong environmental adaptability
4. Housing Design: Aluminum alloy with black anodized finish, lightweight, corrosion resistant
5. Withstanding Voltage Design: 1500V at sea level, 375V at low air pressure (1KPa), suitable for high-altitude applications
6. Temperature Design: Operating temperature -55℃～+200℃, adapts to extreme environments
7. Standard Compliance: Meets MIL-C-83723D Series III military standards

Why Choose MXTD

Xi'an Mingxi Taida Information Technology Co., Ltd. brings over 12 years of specialized experience to every project. Our comprehensive approach ensures you receive complete solutions backed by expert support.

Master R&D Group: Our gifted engineers drive ceaseless development, keeping up industry administration through progressing inquire about speculation. We provide productive, high-quality arrangements that surpass expectations.

Reliable After-Sales Bolster: You get comprehensive bolster counting fast investigating and standard follow-ups. Our strict quality control forms guarantee item unwavering quality and safety.

Secure & Followed Coordinations: We accomplice with dependable coordinations suppliers for secure, convenient conveyance. All shipments incorporate full following and protections scope for your peace of intellect.

FAQ

Q:Will this connector loosen under vibration?

A: No. Threaded coupling with self-locking mechanism, tested to 10–2000Hz vibration at 147m/s² acceleration, ensures secure connection without loosening.

Q:What is the operating temperature range?

A: -55℃ to +200℃, with excellent high-temperature resistance.

Q: What is the withstanding voltage?

A: 1500V at sea level; 375V at low air pressure (1KPa), 50Hz AC RMS.

Q: Can it be customized for specific applications?

A: Yes, contact arrangements, shell finishes, and other specifications can be customized based on requirements.

Q: Are samples available? What is the lead time?

A: Yes, samples are available for testing. Lead time for mass production depends on order quantity and will be confirmed upon inquiry.

Contact Us

    The ΦDBA series is an ideal choice for applications in the aerospace and military equipment sectors where there are extremely high requirements for reliability, environmental resistance and electrical performance.

   Our team is ready to assist you and will provide you with the most suitable products.

  Email: manager03@mxtdinfo.com