HUADA ZMDM-21SM Micro Rectangular Electrical Connector: Compact Design, High Performance
Discover the HUADA ZMDM-21SM Connector: Smaller, Yet Powerful
The HUADA ZMDM-21SM connector redefines miniaturization. With dimensions 2.78mm shorter in length, 5.4mm narrower, and 3.9mm lower than its predecessor (the J29A series), this connector packs a punch in a smaller footprint. Whether you’re designing for aerospace, telecommunications, or military applications, the ZMDM-21SM offers remarkable space savings without compromising performance. Its mechanical life of 500 cycles ensures durability, while the impressive insulation resistance of 5000 mΩ and low contact resistance of 8 mΩ guarantee reliable connections. Say hello to efficiency without sacrificing quality.
Versatility for Every Industry: The HUADA ZMDM-21SM is your go-to connector for demanding environments. It thrives in extreme temperatures, from -55°C to +125°C, making it ideal for both frigid and scorching conditions. Whether you’re building ruggedized equipment or space-constrained devices, this connector delivers. Its pressure resistance up to 800V ensures safety, while the relative humidity tolerance of 40°C at 98% humidity keeps it reliable even in damp environments.
Key Features of the HUADA ZMDM-21SM Connector
Dimensions and Design: The ZMDM-21SM is meticulously engineered to save space without compromising functionality: Length: It’s 2.78mm shorter than the J29A series.
The volume reduction is approximately 40% compared to its predecessor.
Gender: This connector is female (socket type).
Electrical Performance: Temperature Range: It operates flawlessly from -55°C to +125°C.
Insulation Resistance: A robust 5000 mΩ ensures reliable signal integrity.
Contact Resistance: A low 8 mΩ for efficient power transfer.
Current Rating: Capable of handling 5 A.
Pressure Resistance: Withstands up to 800V.
Mechanical Durability: Mechanical Life: Designed for 500 cycles, ensuring longevity.
Impact Resistance: Survives impacts at 490m/s².
Vibration Resistance: Tested from 10Hz to 2000Hz at 196m/s².
Humidity Tolerance: Remains reliable at 40°C and 98% humidity.
Mounting and Termination: Termination Style: Solder connection.
Mounting Angle: Straight for ease of installation.
Equivalent Models: The ZMDM-21SM aligns with the MDM-21SSB connector from ITT Cannon.
It meets GJB2446 requirements (equivalent to MIL-C-83513).
Technical Features Table:
Maximum Operating Temperature |
+125 °C |
Minimum Operating Temperature | -55 °C |
Insulation Resistance | 5000 mΩ |
Mechanical life | 500 |
Work pressure | 4.4 KPa |
Impact | 490m/s2 |
Vibration | 10-2000Hz 196m/S2 |
Contact Resistance | 8 mΩ |
Relative humidity | 40℃, 98% |
Current | 5 A |
Pressure Resistant | 800V |

ZMDC-51SW Micro Rectangular Electrical Connector - Compact, High-Performance, Durable

ZMDC-39SW Micro Rectangular Electrical Connector - Compact, High-Performance, Durable

ZMDC-37SW Micro Rectangular Electrical Connector - Compact, Durable, High Performance

ZMDC-31SW Micro Rectangular Electrical Connector - Compact, High-Performance, Durable

ZMDC-25SW Micro Rectangular Electrical Connector - Compact, High-Performance, Durable

ZMDC-21SW Micro Rectangular Electrical Connector - Compact, High-Performance, Durable

ZMDC-15SW Micro Rectangular Electrical Connector: Compact Design, High Performance

SDC-5S Micro Rectangular Electrical Connectors: Compact, High-Performance Interconnects

Ultra High-Density Micro D-Sub Connectors SDC-74PL Micro Rectangular Electrical Connectors
