SDC HUADA SDC-21SL3 Micro Rectangular Electrical Connector - High-Density, Miniaturized, 0.75mm Contact Spacing
SDC HUADA SDC-21SL3 Micro Rectangular Electrical Connector
The SDC HUADA SDC-21SL3 Micro Rectangular Electrical Connector is engineered for high-density applications, offering a compact and robust design. With dimensions matching the NDM series (0.635 pitch), this miniaturized connector is perfect for space-constrained environments. It features a contact spacing of 0.75mm and supports crimping cross sections from 0.035mm² to 0.06mm² wire, ensuring reliable and efficient connections. Compliant with GJB7245-2011 and Q/MB25122-2018 standards, this connector guarantees superior performance and durability. Available in multiple core configurations (5, 9, 15, 21, 25, 31, 37, 51, 66, 74), it is versatile and adaptable to various industrial and commercial applications.
Key Features of the HUADA SDC-21SL3 Micro Rectangular Electrical Connector
Miniaturized Design: The connector has a compact structure, making it suitable for applications where space is limited. Its dimensions are consistent with the NDM series (0.635 pitch), ensuring compatibility with existing setups.
High-Density Connections: With a contact spacing of 0.75mm, this connector supports high-density connections, which is crucial for modern electronic devices that require numerous connections in a small footprint.
Multiple Core Options: The connector is available in various core configurations, including 5, 9, 15, 21, 25, 31, 37, 51, 66, and 74 cores. This flexibility allows it to be used in a wide range of applications, from simple to complex systems.
Crimping Cross Section: It supports wire crimping cross sections ranging from 0.035mm² to 0.06mm². This range ensures secure and reliable connections for different wire sizes, enhancing the connector’s versatility.
Compliance with Standards: The SDC-21SL3 adheres to general specifications GJB7245-2011 and detailed specifications Q/MB25122-2018. These standards ensure that the connector meets rigorous quality and performance criteria, making it reliable for critical applications.
Durability and Reliability: Designed to withstand harsh industrial and commercial environments, the SDC-21SL3 offers robust performance. Its construction ensures long-term durability, reducing the need for frequent replacements.
Applications
The SDC-21SL3 Micro Rectangular Electrical Connector is ideal for:
Industrial Automation: Used in machinery and control systems where space and reliability are crucial.
Consumer Electronics: Suitable for compact devices that require high-density connections.
Telecommunications: Ensures reliable connections in communication equipment.
Medical Devices: Used in medical equipment where precision and reliability are essential.
Aerospace and Defense: Meets stringent standards for use in critical applications.
Benefits
Space-Saving: Its miniaturized design allows for efficient use of space.
Versatile: Multiple core options and crimping cross sections make it adaptable to various applications.
Reliable: Compliance with industry standards ensures high performance and reliability.
Durable: Built to withstand demanding environments, ensuring longevity.
Technical Features Table
Maximum Operating Temperature | +125 °C |
Minimum Operating Temperature | -55 °C |
Insulation Resistance | 5000 mΩ |
Work pressure | 4.4 KPa |
Impact | 490 m/s2 |
Vibration | 10-2000Hz 196m/S2 |
Relative humidity | 40℃, 98% |
Contact Resistance | 15 mΩ |
Current | 1.8 A A |
Mechanical life | 300 |
Pressure Resistant | 300 V |

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