HUADA ZMDM-21SJ Micro Rectangular Electrical Connector: Compact Design, High Performance
Discover the HUADA ZMDM-21SJ Connector: Compact, Reliable, and Efficient
The HUADA ZMDM-21SJ micro rectangular electrical connector redefines compact design. At just 2.78mm shorter in length, 5.4mm narrower, and 3.9mm lower than its predecessor (the J29A series), it packs a punch. Whether you’re designing for aerospace, telecommunications, or industrial applications, this connector is your secret weapon. Its robust insulation—resisting up to 5000 mΩ—ensures reliable performance even in extreme conditions. Plus, with a mechanical life of 500 cycles, it’s built to last. Say goodbye to bulky connectors and hello to streamlined efficiency.
Picture this: a connector that thrives in temperatures ranging from -55°C to +125°C. That’s the HUADA ZMDM-21SJ. But it doesn’t stop there. It laughs in the face of shocks (490m/s²) and dances through vibrations (10-2000Hz at 196m/s²). With low contact resistance (only 8 mΩ) and the ability to handle up to 5 A, it’s a true workhorse. Whether you’re building cutting-edge electronics or upgrading existing systems, the ZMDM-21SJ is your compact powerhouse. Get ready to connect with confidence!
Key Features of the HUADA ZMDM-21SJ Connector
Compact Dimensions: The ZMDM-21SJ is meticulously designed to be compact, saving valuable space in your electronic assemblies. Compared to its predecessor, the J29A series, it boasts impressive reductions:
Overall volume: Approximately 40% of the J29A series.
Temperature Resilience: Operating Range: Whether you’re in scorching industrial environments or freezing aerospace conditions, this connector remains steadfast.
Insulation Warrior: Insulation Resistance: A robust 5000 mΩ ensures reliable performance, even when faced with electrical challenges.
Built to Last: Mechanical Life: Designed for an impressive 500 cycles. It’s not just a connector; it’s a long-term investment.
Shock and Vibration Tolerance: Impact Resistance: It laughs off shocks up to 490m/s². No more delicate handling!
Vibration Endurance: From 10Hz to 2000Hz at 196m/s², it stays connected.
Low Contact Resistance: Only 8 mΩ—ensuring minimal energy loss and dependable connections.
Current Handling Capacity: Supports up to 5 A. Power up your circuits confidently.
Pressure-Proof: Withstands up to 800V. It won’t crack under pressure.
Bonus Feature: A-21SJ Jet-Powered Variant: Imagine a connector with self-launch capability.
Service Ceiling: An impressive 10,973 meters (that’s 36,000 feet for our aviation enthusiasts).
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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