New Tohtsu CX-600M SPDT UHF SO239 Coaxial Antenna Relay

New Tohtsu CX-600M SPDT UHF  SO239 type Coaxial Antenna Relay

This is a new, in original box, with documentation Tohtsu CX-600M SPDT type coaxial antenna relay with UHF female (type SO239) connectors at each port. The relay is 50 ohms and has a 12 vdc activation coil. The relay can be used as a transmit receive relay for a base station, or as a means of switching two 50 ohm signals. 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 $8.95 International shipping will be quoted on request.


RF Impedence:  50 Ohms

 Pull in:  9 Vdc - 16.5 Vdc (12 Vdc Nominal)
Drop out:  1.5 Vdc minimum
Current:  160 mA @ 12 Vdc at 20 degrees C
Coil resistance:  75 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:  SPDT
Operational temperature:  -55 to +70 degrees C.
Weight:  230 grams
Mounting:  Two screws
Cable connections:  3 M(UHF) Type female connectors

Electrical Characteristics
    Frequency       VSWR       Isolation          Ins.Loss        IN PUT RF Power
   [MHz]           [Max]      [-dB(min)]       [-dB(max)]               [KW]        
                      50                 1.03              60                   0.07           1.5 PEP (1.0CW)               
                       150                1.10              48                   0.10           1.3 PEP (1.0CW)                 
            500                1.15              37                   0.1
5                  0.8 CW               
Coil Characteristics
        Nominal Voltage        Voltage Range                         Resistance Ohms                   
            12Vdc                   9Vdc - 16.5Vdc          75 Ohms +/-10% at 20 degrees C.   
               24Vdc                  18Vdc - 26.5Vdc        300
Ohms +/-10% at 20 degrees C. 


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On Sep-19-06 at 19:20:13 PDT, seller added the following information:

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On Sep-15-09 at 17:44:26 PDT, seller added the following information:

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