HUADA ZMDM-31PJ Micro Rectangular Connector: Compact Design, High Performance
Discover the HUADA ZMDM-31PJ Micro Rectangular Connector
The HUADA ZMDM-31PJ micro rectangular connector redefines compactness without compromising on performance. With dimensions 2.78mm shorter in length, 5.4mm narrower, and 3.9mm lower than its predecessor (the J29A series), this connector is a space-saving marvel. Whether you’re designing for aerospace, telecommunications, or industrial applications, the ZMDM-31PJ delivers reliability and efficiency. Its robust mechanical life of 500 cycles, impact resistance of 490m/s², and vibration tolerance from 10Hz to 2000Hz (at 196m/s²) ensure longevity even in demanding environments. Plus, with a maximum operating temperature of +125°C and a minimum operating temperature of -55°C, it’s ready for extreme conditions.
The ZMDM-31PJ boasts an impressive technical profile. Its insulation resistance of 5000 mΩ ensures reliable signal transmission, while the low contact resistance of 8 mΩ minimizes energy loss. With a current rating of 5 A and pressure resistance up to 800V, this connector is ideal for power and data applications. Whether you’re building medical devices, automotive systems, or consumer electronics, the HUADA ZMDM-31PJ micro rectangular connector combines precision engineering with space-saving design, making it a top choice for engineers and designers worldwide.
Key Features of the ZMDM-31PJ Connector
Design and Purpose: The ZMDM-31PJ connector belongs to the 83513-style Micro D Metal Shell (MDM) series, meticulously engineered for applications demanding compact connectors with dense contact configurations.
It features 31 positions and follows the D-type micro rectangular form factor, with male pins.
Engineers across various domains – from microwave technology to aerospace and military applications – rely on the ZMDM-31PJ for its reliability and space-saving design.
Technical Specifications: Mounting Flexibility: The connector supports panel mount, through-hole, and right-angle configurations.
Precise Geometry: With a 0.050" pitch and 0.100" row-to-row spacing, it ensures efficient space utilization.
Contact Type: Designed for signal transmission.
Robust Shell: The aluminum shell, finished with yellow chromate-plated cadmium, provides durability.
Gold-Plated Contacts: These enhance conductivity and prevent corrosion.
Current Rating: Capable of handling up to 3A.
Temperature Range: Operates reliably from -55°C to +125°C.
Dielectric Material: Liquid Crystal Polymer (LCP) ensures electrical insulation.
Shielding: The shielded design enhances reliability in challenging environments.
Manufacturer and Quality Assurance: The ZMDM-31PJ connector is part of the MDM series by ITT Cannon, a trusted name with over four decades of expertise in RF connectors.
While it isn’t RoHS compliant, it adheres to stringent quality standards.
For precise dimensions and performance characteristics, refer to the datasheet.
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 |

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