SPnT High Power Coaxial Switch




Part Number : 531A-530122A

The 5X1A-Series part number 531A-530122A SPnT high power coaxial switch switch is ideal for DC to 12.4GHz applications with 1.70 @ 12.4 GHz VSWR performance and 50 Ohm impedance. It features normally open actuator, 28 VDC coil voltage, and N female connector, and it requires 24V ~ 32V voltage supply. Additionally, it has TTL drive circuit options, mechanical indicators and High Power special options.

Product Specifications

Frequency GHZ



Isolation dB


Insertion Loss dB


Coil Voltage

Circuit Options

Actuator Type





DC to 12.4GHz

1.70 @12.4GHz

60dB @ 12.4GHZ


28 VDC


Normally Open

Mechanical Indicators

N Female

-25°C ~ 65°C

Additional Specifications

  • Switching Time:
    15 ms maximum
  • Mechanical Life Cycles*:
    1,000,000 minimum
    5,000,000 minimum (“U” Option
  • Vibration, Operating:
    10G RMS, 20-2000 Hz
  • Mechanical Shock, Non-Operating:
    30G, 1/2 Sine, 11 ms

* Performance and weight varies depending on selected options. Values listed
are for Standard 401 Failsafe model.

IEEE Frequency Bands

HF-Band VHF-Brand UHF-Band L-Band

S-Band C-Band X-Band


Defense Aerospace Communications GPS ATE


Featured Brand

Founded in 1945, Dow-Key is the oldest continuously operating RF switch manufacturer in the United States. We employ our decades of experience to deliver the world’s most innovative switching components, specializing in the design and manufacture of customized, high-performance coaxial switches, waveguide switches and high-reliability (space) switches, including T-switches and switch blocks.

As the world’s largest manufacturer of electromechanical RF switches and devices, Dow-Key remains committed to providing unparalleled customer service, competitive pricing, on-time delivery, and enduring product quality.

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