High-Density Micro-D Subminiature Connector: HUADA CDb-21ZYW-J
Ultra-Compact Micro-D HUADA CDb-21ZYW-J Connector for Harsh Environments
Compact and Rugged Design: The HUADA CDb-21ZYW-J connector combines high-density functionality with robust construction. With a 1.27mm pitch and up to 51 cores, it’s ideal for space-constrained applications. Its low contact resistance ensures optimal signal transmission, while its insulation and pressure resistance make it reliable in harsh environments. Whether in extreme temperatures or under mechanical stress, the CDb-21ZYW-J delivers consistent performance.
Certified Reliability: Compliant with GJB2446 and detailed specifications Q/MB20604-2018, Q/MB330A-2011, this connector withstands temperatures from -55°C to +125°C. Its mechanical life of 500 cycles ensures longevity, and it handles work pressure up to 4.4 KPa. For demanding applications where space matters, the HUADA CDb-21ZYW-J excels, making it a reliable choice for engineers and designers seeking high-performance connectivity solutions.
Key Features of the HUADA CDb-21ZYW-J Connector
Physical Specifications: Compact Design: The CDb-21ZYW-J connector features a compact form factor, measuring 2.75 x 8.72 x 11.07 inches (6.98 x 22.15 x 28.12 cm). Its lightweight design, weighing 9.65 lbs (4.38 kg) for both the CDB-8U and CDB-8P variants, ensures ease of installation and integration into various systems.
Environmental Resilience: Operating Temperature Range: The connector operates reliably within a temperature range of 23°F to 122°F (-5°C to 50°C) up to 5000 ft (1524 m) and 23°F to 113°F (-5°C to 45°C) up to 10,000 ft (3048 m).
Storage Temperature: For storage, the recommended temperature range is from -13°F to 158°F (-25°C to 70°C) up to 15,000 ft (4572 m).
Relative Humidity: It can function in relative humidity conditions ranging from 5% to 90% (non-condensing) during operation and 5% to 95% (non-condensing) during storage.
Altitude Tolerance: The connector is suitable for altitudes up to 10,000 ft (3048 m) during operation and up to 15,000 ft (4572 m) during storage.
Power Requirements: AC Input Voltage: The CDb-21ZYW-J accepts an AC input voltage range of 100 to 277 VAC (+/- 10%).
Power Consumption: CDB-8U: Consumes 5.18A (115 VAC), 2.59A (230 VAC), and 2.18A (277 VAC).
CDB-8P: Draws 2.68A (115 VAC), 1.34A (230 VAC), and 1.16A (277 VAC).
Technical Features Table:
Minimum Operating Temperature | -55 °C |
Maximum Operating Temperature | +125 °C |
Current | 3 A |
Insulation Resistance | 5000 mΩ |
Mechanical life | 500 |
Work pressure | 4.4 KPa |
Pressure Resistant | 600 V |
Contact Resistance | 8 mΩ |
Vibration | 10~2000Hz 196m/S2 |
Impact | 490 m/s2 |
Relative humidity | 40℃, 98% |

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