Tohtsu CX-800M 12VDC DPDT UHF Antenna Coaxial Relay SO239

Regular price $174.95

New Tohtsu CX-800M 12VDC DPDT Antenna Relay Coaxial Relay with SO-239 Connectors

This is a new, in original box, with documentation Tohtsu CX-800M DPDT type coaxial antenna relay with UHF type (SO239) connectors at each port. The relay is 50 ohms and has a 12 vdc activation coil. The relay is normally used as a transmit receive relay for a base station or as a drop-out relay on a power amplifier. This is new surplus inventory from the two way radio shop at Henry Radio in Los Angeles, California. Shipping anywhere in the continental US is FREE. International shipping will be quoted on request.


RF Impedence:  50 Ohms

 Pull in:  10 Vdc - 14 Vdc (12 Vdc Nominal)
Drop out:  1.5 Vdc minimum
Current:  250 mA @ 12 Vdc at 20 degrees C
Coil resistance:  48 Ohms +/-10% at 20 degrees C.

Switching Time
Pull in: 
20 ms maximum
Drop out:  15 ms maximum
Life  Expectancy: 1,000,000. Operation min.

Contact arrangement:  DPDT
Operational temperature:  -50 to +70 degrees C.
Weight:  365 grams
Mounting:  2 MTG holes
Cable connections:  6 M(UHF) Type female connectors

Electrical Characteristics
    Frequency       VSWR       Isolation          Ins.Loss        IN PUT RF Power
   [MHz]           [Max]      [-dB(min)]       [-dB(max)]                [W]        
                      50                 1.10              50                   0.15                  1000CW                     
              150                1.15              48                   0.1
5                  1000CW              
            500                1.15              37                   0.20                  800 CW             
               1000               1.18              28                   0.20                  500 CW                 

Coil Characteristics
        Nominal Voltage        Voltage Range                         Resistance Ohms                   
             12Vdc                  10Vdc - 14Vdc          48 Ohms +/-10% at 20 degrees C.   
24Vdc                  19Vdc - 26Vdc        192 Ohms +/-10% at 20 degrees C.     
         26.5Vdc                 20Vdc - 30Vdc        245
Ohms +/-10% at 20 degrees C. 


We stock a full line of Tohtsu coaxial relays.  Feel free to check with us to find a coaxial relay to meet your requirements. 

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