Product Overview

SMA Connector

The SMA connector, a cornerstone in high-frequency signal transmission, is a compact coaxial RF connector engineered for microwave applications up to 26.5 GHz. Its 50 Ohm impedance and threaded coupling mechanism guarantee exceptional electrical performance and robust mechanical connections, ensuring minimal signal loss and reflections. Ideal for space-constrained environments where signal integrity is paramount, the SMA connector provides reliable and repeatable connections across a diverse range of high-frequency systems.

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Features and Benefits

  • Compact Design: Small footprint.
  • Threaded Coupling: Secure, vibration-proof connection.
  • Broad Frequency Range: Up to 26.5 GHz.
  • 50 Ohm Impedance: Matches RF systems.
  • Durable Construction: Gold-plated brass or stainless steel.
  • Versatile Termination: Straight, right-angle, bulkhead, PCB mount.
  • Wide Application Scope: Telecommunications, Wi-Fi, GPS, test equipment, electronic warfare.

Specifications, Parts, and Filters

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Impedance
50 Ohms
Frequency Range
DC to 26.5 GHz.
Voltage Rating
335 VRMS (max.)
Dielectric Withstanding Voltage
1000 VRMS (min.)
Contact Resistance
Center Contact
≤ 3.0 mΩ
Outer Contact
≤ 2.0 mΩ
VSWR (Voltage Standing Wave Ratio)
Straight Connectors
1.05 + 0.01f (GHz) max. (typical ≤ 1.25 @ 18 GHz)
Right-Angle Connectors
1.05 + 0.02f (GHz) max. (typical ≤ 1.35 @ 18 GHz)

Coupling Mechanism
Threaded
Mating Cycles
≥ 500 cycles
Coupling Nut Retention
60 lbs min.
Cable Retention (typical)
Varies by cable type and termination method
Torque
7-10 in-lbs
Body Material
Brass or Stainless Steel
Center Contact Material
Beryllium Copper or Phosphor Bronze
Insulator Material
PTFE

Temperature Range
MIL-STD-202, Method 102, Cond C -65°C to +200°C
Vibration
MIL-STD-202, Method 204, Test Condition D
Shock
MIL-STD-202, Method 213, Test Condition I
Moisture Resistance
MIL-STD-202, Method 106, Less step 7b
Corrosion (Salt Fog)
MIL-STD-202, Method 101, Test Condition B

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