Smiths Interconnect

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Coaxial Fixed Attenuators

Bridging the gap between EMC Technology components and Florida RF Labs cable assemblies, our line of precision coaxial attenuators offer an easy to use attenuation solution for applications with up to 2 watts of input power. The rugged construction of the devices ensures reliability and uninterrupted high performance with operating frequencies up to 40 GHz.


  • Rugged Construction
  • Excellent Performance
  • Value Pricing
  • Subsystem Connector Interface
  • SMA & 2.92mm
For High Reliability Version HR42WXX.XXX

General Specifications

Impedance Power Operating Temperature Pins Body & Nut
50 Ohms 2 Watts -55C to +150C Beryllium Copper,
Gold Plated
Stainless Steel,

Series Specifications

Series Frequency Range Connector VSWR (Max)
42S DC to 6.0 GHz SMA Male/Female 1.35
42 DC to 12.4 GHz SMA Male/Female 1.30
42W DC to 18.0 GHz SMA Male/Female 1.35
42UW DC to 26 GHz SMA Male/Female 1.50
42KA DC to 40 GHz 2.92 Male/Female 1.40

Qualification Information

42S Qualification Summary (TP)

42S Qualification Data

42UW Qualification Summary (TP)

42UW Qualification Data