Discover the HUADA SMA-KY0.4D RF Coaxial Connector: High-Quality Performance for Your Applications

The SMA-KY0.4D is engineered for excellence. Its 50Ω impedance ensures efficient signal transmission, making it ideal for high-frequency applications. Whether you’re designing wireless communication systems, radar equipment, or test instruments, this connector delivers consistent performance. With a robust design, it withstands extreme temperatures, from -65°C to +165°C, ensuring reliability even in harsh environments. The SMA-KY0.4D can handle up to 500 mating cycles, making it a durable choice for long-term use.
When precision matters, the SMA-KY0.4D shines. Its low VSWR (Voltage Standing Wave Ratio) minimizes signal reflections, maintaining excellent signal integrity. Whether you’re connecting antennas, amplifiers, or other RF components, this connector ensures minimal loss and maximum efficiency. The dielectric withstanding voltage of 1000 V adds an extra layer of safety, making it suitable for critical applications.

Key Features of the SMA-KY0.4D HUADA Coaxial Connector

Electrical Performance:
Impedance: The SMA-KY0.4D maintains a precise 50Ω impedance, ensuring efficient signal transmission across a wide frequency range from DC to 18 GHz.
VSWR (Voltage Standing Wave Ratio): With a low VSWR of ≤1.05 + 0.1f (GHz), this connector minimizes signal reflections, crucial for maintaining signal integrity.
Rated Voltage: It can handle up to 335 V rms, making it suitable for various applications.
Contact Resistance: The center contact has a resistance of ≤3 mΩ, while the outer contact is ≤2 mΩ.
Insulation Resistance: With an insulation resistance of ≥5000 MΩ, it ensures reliable connections.
Insertion Loss: The insertion loss is ≤0.06√f (GHz) dB, minimizing signal attenuation.
Material and Mechanical Performance:
Materials: The center contact pin is brass with gold plating, while the socket is beryllium copper with gold plating. The body and other metal parts are either brass or stainless steel, also plated or passivated.
Insulator: The insulator material options include PTFE (Polytetrafluoroethylene) or LCP (Liquid Crystal Polymer), both chosen for their electrical properties.
Seal Ring: A silicon rubber seal ring ensures environmental protection.
Temperature Range: The SMA-KY0.4D operates reliably from -65°C to +165°C, making it suitable for extreme conditions.
Durability: It withstands 500 mating cycles, ensuring longevity.

Technical Features Table: