SDC HUADA SDC-31S Micro Rectangular Electrical Connector

The SDC HUADA SDC-31S Micro Rectangular Electrical Connector is engineered for high-density, reliable electrical connections in compact spaces. With dimensions matching the NDM series (0.635 pitch), this miniaturized connector offers a robust structure and small footprint, making it ideal for applications requiring space efficiency and high performance. Available in multiple core configurations (5, 9, 15, 21, 25, 31, 37, 51, 66, 74), it ensures versatile connectivity options.

Key features include a contact spacing of 0.75mm and a crimping cross-section suitable for 0.035mm² to 0.06mm² wires. The connector adheres to GJB7245-2011 general specifications and Q/MB25122-2018 detailed specifications, ensuring compliance with industry standards. It operates efficiently within a temperature range of -55°C to +125°C, with an insulation resistance of 5000 mΩ and a current rating of 1.8A. Designed to withstand harsh conditions, it offers impact resistance of 490m/s² and vibration resistance from 10-2000Hz at 196m/s². The connector also boasts a mechanical life of 300 cycles and a pressure resistance of 300V.

Key Features of the HUADA SDC-31S Micro Rectangular Electrical Connector

Design and Structure: The SDC-31S Micro Rectangular Electrical Connector is meticulously engineered to meet the demands of modern, space-constrained applications. Its miniaturized design, with overall dimensions matching the NDM series (0.635 pitch), ensures it fits seamlessly into compact spaces without compromising on performance. The robust structure of the connector enhances its durability, making it a reliable choice for various industrial and commercial uses.
Electrical Specifications
Contact Spacing: The connector features a precise contact spacing of 0.75mm, which ensures stable and reliable electrical connections. This fine spacing is crucial for high-density applications where space efficiency is paramount.
Crimping Cross Section: It supports a crimping cross-section suitable for wires ranging from 0.035mm² to 0.06mm². This versatility allows it to accommodate different wire sizes, enhancing its applicability across various devices and systems.
Current Rating: With a current rating of 1.8A, the SDC-31S is capable of handling moderate electrical loads, making it suitable for a wide range of electronic applications.
Pressure Resistance: The connector can withstand a pressure of up to 300V, ensuring it performs reliably under electrical stress and maintains integrity in demanding environments.
Environmental and Mechanical Performance
Temperature Range: The SDC-31S operates efficiently within a broad temperature range of -55°C to +125°C. This wide range ensures the connector can function in extreme environmental conditions, from freezing cold to intense heat.
Insulation Resistance: Boasting an insulation resistance of 5000 mΩ, the connector provides excellent electrical insulation, preventing leakage currents and ensuring safety and reliability in electrical circuits.
Impact Resistance: Designed to endure significant mechanical shocks, the connector has an impact resistance of 490m/s². This feature is particularly important in applications where the connector may be subjected to sudden impacts or drops.
Vibration Resistance: The SDC-31S is capable of withstanding high-frequency vibrations ranging from 10-2000Hz at 196m/s². This makes it ideal for use in environments with constant or intermittent vibrations, such as automotive or aerospace applications.
Relative Humidity: The connector can operate in environments with up to 98% relative humidity at 40°C, ensuring reliable performance even in highly humid conditions.
Mechanical Life: With a mechanical life of 300 cycles, the SDC-31S is designed for long-term use, providing consistent performance over numerous connection and disconnection cycles.
Compliance and Standards
General Specifications: The SDC-31S adheres to the GJB7245-2011 general specifications, ensuring it meets rigorous industry standards for quality and performance.
Detailed Specifications: It also complies with the Q/MB25122-2018 detailed specifications, further validating its reliability and suitability for various applications.
Core Configurations: The SDC-31S is available in multiple core configurations, including 5, 9, 15, 21, 25, 31, 37, 51, 66, and 74 cores. This variety allows for flexible connectivity options, catering to different requirements and ensuring compatibility with a wide range of devices and systems.

Technical Features Table