SPnT High Power Coaxial Switch


High Power Coax


Part Number : 531AJ-420122A

The 5X1A-Series part number 531AJ-420122A SPnT high power coaxial switch switch is ideal for DC to 8GHz applications with 1.50 @ 8 GHz VSWR performance and 50 Ohm impedance. It features latching actuator, 12 VDC coil voltage, and N female connector, and it requires 11V ~ 14V voltage supply. Additionally, it has TTL drive circuit options, mechanical indicators and High Power, DC conn special options.

Product Specifications

Frequency GHZ



Isolation dB


Insertion Loss dB


Coil Voltage

Circuit Options

Actuator Type





DC to 8GHz

1.50 @8GHz

65dB @ 8GHZ


12 VDC



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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