High-Performance RF Coaxial Connector SMA-KFD389 by HUADA
Discover the SMA-KFD389 RF Coaxial Connector by HUADA
The SMA-KFD389 RF Coaxial Connector from HUADA delivers exceptional performance for demanding applications. With an impedance of 50Ω, it ensures reliable signal transmission across a wide frequency range. Whether in extreme temperatures (from -65°C to +165°C) or high-frequency environments (up to 18GHz), this connector excels. Its robust design withstands 500 mating cycles, while the 1000V dielectric voltage ensures safety. Trust HUADA for quality connectors that elevate your RF systems.
Key Features of the SMA-KFD389 HUADA Coaxial Connector
Frequency Range: The SMA-KFD389 operates in the frequency range from DC to 18.0 GHz.
Insulation Resistance: The insulation resistance must not be less than 5,000 megohms.
Contact Resistance: The center contact resistance drop should not exceed 3.0 milliohms, and the outer contact resistance drop should not exceed 2.0 milliohms.
Dielectric Withstanding Voltage: The test voltage magnitude is 1,000 volts rms at sea level.
RF High Potential Withstanding Voltage: The RF high potential withstanding voltage is 760 volts rms at 5 MHz (leakage is not applicable).
Connector Durability: The SMA-KFD389 connector is tested for 500 insertions and withdrawal cycles at a maximum rate of 12 cycles per minute. It should show no mechanical failure.
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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