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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.
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.
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 |