High-Performance RF Coaxial Connector SMA-KFD424 by HUADA – 50Ω, 0~18GHz
Unlock Seamless Signal Transmission with the HUADA SMA-KFD424 Coaxial Connector
The HUADA SMA-KFD424 is a high-performance RF coaxial connector designed for demanding applications in the 0-18GHz frequency range. This rugged and reliable connector features a 50Ω impedance and is suitable for use with both flexible and semi-rigid cables.
Its superior construction and materials ensure exceptional performance across a wide range of operating temperatures (-65°C to +165°C), making it ideal for various industrial, aerospace, and telecommunications applications. The SMA-KFD424 connector boasts a low VSWR, guaranteeing optimal signal transmission with minimal reflections. With a 500 mating cycle rating, this connector ensures durability and longevity, providing reliable connections for extended use.
Key Features of the SMA-KFD424 HUADA Coaxial Connector
Impedance (50Ω): The impedance of 50Ω ensures efficient signal transmission. It matches the characteristic impedance of common coaxial cables, minimizing reflections and maximizing power transfer.
Operating Temperature Range: The SMA-KFD424 can withstand extreme temperatures, operating reliably from -65°C to +165°C. This robustness makes it suitable for various environments, from outdoor installations to industrial settings.
Mating Cycles (500): Designed for durability, this connector can handle up to 500 mating cycles. Whether you’re connecting or disconnecting frequently, the SMA-KFD424 remains reliable.
Insulation Resistance (5000 MΩ): With an insulation resistance of 5000 MΩ, it maintains signal integrity even in challenging conditions. This is crucial for preventing leakage and ensuring consistent performance.
Dielectric Withstanding Voltage (1000 V): The dielectric material can withstand up to 1000 volts, providing electrical isolation between the inner and outer conductors. This feature enhances safety and reliability.
Frequency Range:
Flexible Cable: Covers frequencies from 0 to 12.4GHz. Ideal for applications where flexibility is essential.
Semi-rigid: Extends the frequency range up to 18GHz. Suitable for higher-frequency requirements.
Voltage Standing Wave Ratio (VSWR):
Flexible Cable: Impressive VSWR of 1.15+0.02F. Low VSWR indicates minimal signal reflection.
Semi-rigid: Excellent VSWR of 1.10+0.02F. This ensures efficient power transfer.
Technical Features Table:
Impedance | 50Ω |
Minimum Operating Temperature | -65 °C |
Maximum Operating Temperature | +165 °C |
Mating Cycles | 500 |
Series | RF Coaxial Connector |
Insulation Resistance | 5000 MΩ |
dielectric withstanding voltage | 1000 V |
Frequency Range with Flexible Cable | 0~12.4GHz |
Frequency Range with Semi-rigid | 0~18GHz |
VSWR with Flexible Cable | 1.15+0.02F |
VSWR with semi-rigid | 1.10+0.02F |

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