New Tohtsu CX-120A SPDT Miniature Coaxial Antenna Relay

New Tohtsu CX-120A SPDT Minature Coaxial Antenna Relay

This is a new Tohtsu CX-120A SPDT type miniature coaxial antenna relay. 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 inventory from the two way radio shop at Henry Radio in Los Angeles, California.  Shipping anywhere in the continental US is $5.95. International shipping will be quoted on request.


RF Impedence:  50 Ohms

 Pull in:  10 Vdc - 14 Vdc (12 Vdc Nominal)
Drop out:  3.0 Vdc minimum
Current:  80 mA at 12 Vdc at 20 degrees C
Coil resistance:  196 Ohms +/-10% at 20 degrees C.

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

Contact arrangement:  SPDT - Direct Connect RG58 or RG188
Operational temperature:  -25 to +50 degrees C.
Weight:  70 grams
Mounting:  Two Screws

Electrical Characteristics
    Frequency       VSWR       Isolation          Ins.Loss        IN PUT RF Power
 [MHz]           [Max]       [-dB(min)]       [-dB(max)]                [W]        
            50                 1.05                60                  0.05                      250                
             150                1.10                50                  0.10                      200                  
          500                1.30                40                  0.20                      150     
          1000               1.40                29                  0.25                      150                

Coil Characteristics
        Nominal Voltage        Voltage Range                         Resistance Ohms                   
          12Vdc                    10Vdc - 14Vdc           196 Ohms +/-10% at 20 degrees C.


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On Sep-19-06 at 19:23:21 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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