Dow-Keys 40 GHz Switch Products

Photo: 40 GHz Switches

VENTURA, Calif. (August 15, 2008) – Dow-Key Microwave is pleased to announce its 40 GHz switch products. Coaxial switches ranging from DC to 40 GHz is offered in SPDT, SP3T, SP4T, SP6T, and DPDT (transfer) switch configurations. Currently, over hundred switches in this product class is available and it is offered with 12, 15, 20, 24, and 28 Vdc coil voltages. In addition, options such as with/or without indicators, D-sub connectors, Mounting Brackets, external terminations, Thermal Vacuum Specified, and TTL-logics are offered.

Product Series:

  • 401Y
  • 403Y
  • 521Y
  (SPDT, Terminated)
  • 411CY
  (DPDT – Transfer)
  • 531Y
  (SP3T and/or Terminated)
  • 531JY
  (SP3T and/or Terminated)
  • 535Y
  • 535JY
  • 541Y
  (SP4T and/or Terminated)
  • 541JY
  (SP4T and/or Terminated)
  • 545Y
  • 545JY
  • 561Y
  (SP6T and/or Terminated, Thermal Vacuum)
  • 561JY
  (SP6T and/or Terminated)
  • 565Y
  • 565JY
Drawings with spec can be found here on our website.


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Dow-Key Microwave Corporation, the world's largest manufacturer of electromechanical RF Switches and Switching Systems, is part of the Microwave Products Group (MPG), which is a subsidiary of Dover Corporation. We specialize in Coaxial Switches, Waveguide Switches, Space Qualified Switches, Electromechanical Switch Matrices, Solid State Switch Matrices, Fiber Optic Switch Matrices, Programmable Delay Lines and much more. Specializing in RF Matrix, Switch Matrix, and RF Switches.

As a leader in RF technology, Dow-Key offers high performance waveguide switches operating up to 70 GHz, coaxial switches operating up to 40 GHz, Hi-Rel switches such as SPDT, transfer switch, T-Switch, various waveguide switches and switching blocks, and switching systems such as SATCOM modules, RF matrices with individual switches, non-blocking crossbar, fan-in and fan-out modules, hybrid switching solution and much more (electromechanical, solid state and fiber optics), in addition to, custom switching designs and reliable solutions, as it is required in today's fast paced communication industry. Our products are used in a wide range of different markets, from commercial, military and to space, with applications in ATE, avionics, ground based, satellite communications, broadcasting, Hi-Rel, and many more. We are specialized in RF technology and custom switching needs. Dow-Key Microwave is AS9100 / ISO-9001:2008 certified and is committed to provide unparalleled customer service, competitive pricing and on-time delivery. Founded in 1945, Dow-Key is the oldest continuously operational RF Relay manufacturer in the United States.

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