SDC-31SN Micro Rectangular Electrical Connectors

The SDC-31SN Micro Rectangular Electrical Connectors are engineered for high-density and precision applications, offering a compact and robust structure that ensures reliability in demanding environments. These connectors are designed with dimensions matching the NDM series (0.635 pitch), providing versatility and ease of integration. Available in various core configurations (5, 9, 15, 21, 25, 31, 37, 51, 66, 74), they feature a contact spacing of 0.75mm and accommodate crimped wire cross-sections ranging from 0.035mm² to 0.06mm². This makes them ideal for applications requiring high performance and durability.
Built to withstand extreme conditions, the SDC-31SN connectors operate within a temperature range of -55°C to +125°C and maintain an insulation resistance of 5000 mΩ. They are designed to endure high impact (490m/s²) and vibration (10-2000Hz, 196m/s²), ensuring long-lasting performance. With a current rating of 1.8A and a mechanical life of 300 cycles, these connectors are perfect for high-performance applications. Additionally, their pressure resistance of 300V and work pressure of 4.4 KPa further enhance their reliability, making them a top choice for precision and high-density electrical connections.

Key features of the SDC-31SN Connector

Number of Cores: Available in multiple configurations, including 5, 9, 15, 21, 25, 31, 37, 51, 66, and 74 cores. This variety allows for flexibility in different applications, ensuring you can choose the right connector for your specific needs.
Contact Spacing: 0.75mm. This precise spacing ensures reliable electrical connections and minimizes the risk of short circuits.
Crimped Wire Cross-Section: Supports wire cross-sections ranging from 0.035mm² to 0.06mm². This range accommodates various wire sizes, making the connectors versatile for different wiring requirements.
Maximum Operating Temperature: +125°C. These connectors can operate efficiently in high-temperature environments, making them suitable for industrial and automotive applications.
Minimum Operating Temperature: -55°C. The connectors are designed to function in extremely cold conditions, ensuring reliability in aerospace and outdoor applications.
Insulation Resistance: 5000 mΩ. High insulation resistance ensures minimal leakage current, enhancing the safety and performance of the electrical system.
Work Pressure: 4.4 KPa. The connectors can withstand moderate pressure, making them suitable for use in various mechanical and environmental conditions.
Impact Resistance: 490m/s². High impact resistance ensures the connectors can endure shocks and vibrations, making them ideal for use in dynamic environments.
Vibration Resistance: 10-2000Hz, 196m/S². The connectors are designed to resist vibrations across a wide frequency range, ensuring stable performance in applications with significant mechanical movement.
Relative Humidity: 40°C, 98%. These connectors can operate in high-humidity environments without compromising performance, making them suitable for marine and tropical applications.
Contact Resistance: 15 mΩ. Low contact resistance ensures efficient electrical conductivity, reducing power loss and improving overall system efficiency.
Current Rating: 1.8A. The connectors can handle a current of up to 1.8A, making them suitable for low to moderate power applications.
Mechanical Life: 300 cycles. The connectors are designed for durability, with a mechanical life of 300 mating cycles, ensuring long-term reliability.
Pressure Resistance: 300 V. The connectors can withstand a voltage of up to 300V, making them suitable for various electrical applications.

Technical Features Table