High-Performance RF Coaxial Connector SMA-KFD428 by HUADA – 50Ω, 0~18GHz
Unlock Seamless Signal Transmission with the HUADA SMA-KFD428 Coaxial Connector
The HUADA SMA-KFD428 is a high-quality RF coaxial connector designed for demanding applications requiring exceptional performance and reliability. Engineered with a 50Ω impedance, this connector ensures optimal signal transmission across a broad frequency range, from 0 to 18 GHz. Its versatility allows seamless integration with both flexible and semi-rigid cables, catering to a wide range of needs in various industries.
Built to withstand challenging environments, the SMA-KFD428 boasts a robust design capable of handling temperatures ranging from -65°C to +165°C. Its exceptional durability is further highlighted by a 500 mating cycle rating, guaranteeing consistent performance and reliable connections for extended periods. The connector's low VSWR ensures minimal signal reflection, preserving signal integrity for critical applications.
Key Features of the SMA-KFD428 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-KFD428 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-KFD428 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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