SMA Connectors are semi-precision, SubMiniature devices that provide
repeatable electrical performance from DC to 12.4 GHz with flexible
cable. Semi-rigid cabling extents the frequency range of the device
to 18 GHz. These devices offer broadband performance with low reflection
and constant 50 ohm impedance. These properties, along with minimum
attenuation and low VSWR have made the SMA extremely popular in the
Microwave community.
The SMA design has been broadened to accommodate many interconnect
require-ments and is available in pressure crimp, clamp and solder
terminal attachments. SMA design parameters have incorporated the
considerations of balancing cost, size, weight and performance to
yield the best value in your Microwave system. Among typical applications
are components such as dividers, mixers, amplifiers, trimmers and
attenuators. SMA Connectors are also used to provide interconnections
from printed circuit board stripliness to Coaxial cable.
Specification
electrical Data
test Requirements
Impedance
50Ω
Frequency range
DC 18GHz Max.
V S W R
≤ 1.2
Dielectric withstanding voltage(at sea level)
-Connector for flexible cables
-Connector for semi-rigid cables
750 V rms, 50 Hz
1000 V rms, 50 Hz
Working voltage(at sea level)
-Connector for flexible cables
-Connector for semi-rigid cables
≤ 250 V rms, 50 Hz
≤ 335 V rms, 50 Hz
Insulation resistance
≥ 5000 MΩ
Contact resistance
- Center contact
- out contact
≤ 3.0 mΩ
≤ 2.0 mΩ
Mechanical Data
test Requirements
coupling Nut torque
- recommended
- proof torque
0.8 Ncm~1.1 Ncm/7.1 in. lbs~9.7 in. lbs
1.7 Ncm / 15.0 in lbs
coupling Nut retention force
≥ 270 N / 60.7 in. lbs
Contact Captivation
≥ 27 N / 6.1 lbs
Durability(matings)
≥ 500
Environmental Data
Equivalent Mil test Conditions
Temperature range
-semi-rigid cables
-fexible cables
