High-Performance SMA-KFD330S RF Coaxial Connector by HUADA
Explore the HUADA SMA-KFD330S RF Coaxial Connector
Unlock exceptional performance with the SMA-KFD330S RF Coaxial Connector from HUADA. Designed for precision, this connector boasts an impedance of 50Ω, ensuring seamless signal transmission. It thrives in extreme temperatures (from -65°C to +165°C) and endures 500 mating cycles. With superior insulation resistance (5000 MΩ) and a dielectric withstanding voltage of 1000 V, it’s the go-to choice for aerospace, telecommunications, and military applications. Plus, its flexible cable frequency range spans 0~12.4GHz, while the semi-rigid range reaches 0~18GHz, all with low VSWR (1.15+0.02F for flexible cable, 1.10+0.02F for semi-rigid). Elevate your connectivity game!
Key Features of the SMA-KFD330S HUADA Coaxial Connector
Frequency Range:
The SMA-KFD330S connector is a versatile workhorse, spanning a frequency range from DC (direct current) up to an impressive 18 GHz. Whether you’re dealing with low-frequency signals or pushing the boundaries of high-frequency applications, this connector delivers consistent performance.
Insertion Loss:
The insertion loss, a critical factor affecting signal quality, follows a precise formula: Insertion Loss=0.1×fGHz
dB. As the frequency increases, the insertion loss gradually rises, but it remains well within acceptable limits for most demanding scenarios.
VSWR (Voltage Standing Wave Ratio) / Return Loss:
The SMA-KFD330S maintains exceptional VSWR performance across its entire frequency spectrum (1.25 to 18 GHz). Low VSWR ensures minimal signal reflection and optimal power transfer.
Simultaneously, the return loss (a complementary metric) quantifies how much signal power is reflected back. The SMA-KFD330S minimizes return loss, contributing to reliable signal integrity.
Materials:
Center Contact: Crafted from gold-plated Beryllium Copper, the center contact ensures excellent conductivity and corrosion resistance.
Outer Contact and Body: Both the outer contact and body feature gold-plated brass, combining durability with stable performance.
Dielectric Material: The dielectric material is PTFE (polytetrafluoroethylene), renowned for its low loss and high dielectric strength.
Operating Temperature Range:
The SMA-KFD330S thrives in extreme environments, operating reliably from a chilly -40°C to a scorching +165°C. Whether it’s aerospace, telecommunications, or military applications, this connector remains unfazed.
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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