SDC HUADA SDC-74S Micro Rectangular Electrical Connector

The SDC HUADA SDC-74S Micro Rectangular Electrical Connector is engineered for high-density applications requiring a compact and reliable connection solution. With dimensions matching the NDM series (0.635 pitch), this miniaturized connector offers a robust structure and small footprint, making it ideal for space-constrained environments.

Featuring a range of core options from 5 to 74, the SDC-74S ensures versatility and adaptability for various electrical configurations. The contact spacing of 0.75mm and crimping cross-section of 0.035mm² to 0.06mm² wire provide precise and secure connections. Compliant with GJB7245-2011 and Q/MB25122-2018 standards, this connector guarantees high performance and reliability.

Key technical characteristics include a maximum operating temperature of +125°C, minimum operating temperature of -55°C, insulation resistance of 5000 mΩ, and a mechanical life of 300 cycles. The SDC-74S also withstands vibrations up to 196m/S2 and impacts up to 490m/s2, ensuring durability in demanding conditions. With a current rating of 1.8A and pressure resistance of 300V, this connector is designed to meet the rigorous demands of modern electrical systems.

Key Features of the HUADA SDC-74S Micro Rectangular Electrical Connector

Number of Cores: The SDC-74S connector is available in multiple configurations, offering a variety of core options including 5, 9, 15, 21, 25, 31, 37, 51, 66, and 74 cores. This flexibility allows it to be tailored to specific application needs, ensuring optimal performance in diverse electrical systems.
Contact Spacing: With a contact spacing of 0.75mm, the SDC-74S is designed to maximize space efficiency while maintaining reliable electrical connections. This compact spacing is ideal for high-density applications where space is at a premium.
Crimping Cross Section: The connector supports a crimping cross-section range of 0.035mm² to 0.06mm² wire. This range accommodates various wire sizes, providing secure and precise crimping for stable electrical connections.
Temperature Range: The SDC-74S is engineered to operate in extreme temperature conditions, with a maximum operating temperature of +125°C and a minimum operating temperature of -55°C. This wide temperature range ensures reliable performance in both high-heat and cold environments.
Insulation Resistance: Featuring an insulation resistance of 5000 mΩ, the SDC-74S ensures excellent electrical insulation, preventing leakage currents and maintaining signal integrity.
Work Pressure:
The connector can withstand a work pressure of 4.4 KPa, making it suitable for use in various environmental conditions, including those with fluctuating pressures.
Impact Resistance: Designed to endure impacts up to 490m/s², the SDC-74S is built for durability in harsh conditions. This high impact resistance ensures the connector remains functional even in environments subject to mechanical shocks.
Vibration Resistance: The SDC-74S can handle vibrations in the range of 10-2000Hz with an acceleration of 196m/S². This vibration resistance is crucial for applications in environments with significant mechanical vibrations, such as industrial machinery and aerospace systems.
Relative Humidity: The connector can operate in environments with relative humidity up to 98% at 40°C. This high humidity tolerance makes it suitable for use in humid conditions without compromising performance.
Contact Resistance: With a contact resistance of 15 mΩ, the SDC-74S ensures low resistance connections, which is essential for efficient electrical performance and minimal power loss.
Current Rating: The connector is rated for a current of 1.8A, making it suitable for various electrical applications that require reliable current handling capabilities.
Mechanical Life: The SDC-74S boasts a mechanical life of 300 cycles, indicating its durability and longevity. This ensures that the connector can withstand repeated mating and unmating cycles without degradation in performance.
Pressure Resistance: The connector can withstand a pressure of 300V, ensuring safety and reliability in electrical systems. This pressure resistance is crucial for preventing electrical breakdowns and ensuring stable operation.

Technical Features Table

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