The HUADA ZMDM-21P micro rectangular electrical connector is a space-saving marvel. With dimensions 2.78mm shorter in length, 5.4mm

narrower, and 3.9mm lower than its predecessor (the J29A series), it’s the ideal choice for modern electronics. Whether you’re designing avionics systems, medical devices, or other compact gadgets, the ZMDM-21P ensures reliable performance without sacrificing valuable space.
This connector boasts impressive specifications, including contact spacing of 1.91mm, row spacing of 1.65mm, and a crimping cross-sectional area suitable for 0.15mm² to 0.35mm² wire. It operates flawlessly in temperatures ranging from -55°C to +125°C, with excellent insulation resistance (5000 mΩ) and a mechanical life of 500 cycles. Compliant with GJB2446A standards, the ZMDM-21P is a durable, high-performance solution for critical applications.

Key Features of the HUADA ZMDM-21P Connector

The ZMDM-21P boasts a precise contact spacing of 1.91mm, ensuring reliable electrical connections even in compact designs.
Crimping Cross-Sectional Area: Designed for versatility, this connector accommodates wire sizes ranging from 0.15mm² to 0.35mm². Whether you’re working with fine wires or slightly thicker ones, the ZMDM-21P has you covered.
Temperature Range: Operating in extreme conditions? No problem. The ZMDM-21P can handle temperatures as low as -55°C and as high as +125°C, making it suitable for a wide range of applications.
Insulation Resistance: With an impressive insulation resistance of 5000 mΩ, this connector ensures minimal leakage and optimal signal integrity.
Mechanical Life: Durability matters. The ZMDM-21P is rated for a mechanical life of 500 cycles, making it a reliable choice for long-lasting connections.
Impact Resistance: Accidental bumps and jolts won’t faze this connector. It can withstand an impact force of 490m/s², safeguarding your critical circuits.
Vibration Resistance: In dynamic environments, the ZMDM-21P remains steadfast. Its vibration resistance spans from 10Hz to 2000Hz at 196m/s², ensuring stability under motion.
Contact Resistance: Low contact resistance (just 8 mΩ) means efficient power transfer and minimal energy loss across the connector.
Relative Humidity: Even in humid conditions, the ZMDM-21P performs admirably. At 40°C and 98% relative humidity, it maintains its electrical properties.
Pressure Resistance: When faced with high voltages, the ZMDM-21P stands strong. It’s pressure-resistant up to 800V, ensuring safety and reliability.

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