Dow-Key Microwave 403-130 RF Coaxial Failsafe SPDT Switch, 12VDC F/S, SMA Connec - $39 - (Quitman, MS)
THESE WORK GREAT FOR SWITCHING SDR PROJECTS OR OLD TR SETUPS VERY GOOD ON HF VHFIF YOU ARE IN TO SPECS HERE THEY AREDow-Key Microwave Corporation 403-130 RF Coaxial Failsafe SPDT Switch, 12VDC F/S, SMA Connectors - Operating Voltage: (across temperature range): 12 Vdc (11-14 Vdc). Coil Current (Nominal): 12 Vdc 185 mA. Switching Time: 15 mS maximum. Operating Temperature: -25ºC to +65ºC. Mechanical Life, Cycles: 1 x 106 minimum. The DowKey Microwave 403 Series SPDT switches perform broadband and high frequency, switching with extended performance to 26.5 GHz. The 403 Series switching mechanism uses the same break-beforemake balanced actuator as the 401 Series failsafe switches. This actuator provides excellent tolerance to shock and vibration. Due to the small size of these switches, only SMA connectors are available. These DowKey designed connectors feature a mechanically captivated center contact which eliminates epoxy staking, and reduces RF leakage. Typical applications for the 403 Series include: Test Equipment Band Selection, Switch Matrixes, EW and Missile Systems, Microwave Radio SPECIFICATIONS: Operating Voltage: (across temperature range): 12 Vdc (11-14 Vdc). Coil Current (Nominal): 12 Vdc 185 mA. Switching Time: 15 mS maximum. Operating Temperature: -25ºC to +65ºC. Mechanical Life, Cycles: 1 x 106 minimum. Vibration, Operating: 10 G RMS, 20-2000 Hz. Mechanical Shock, Non-Operating: 50 G, 1/2 Sine, 11 mS. Nominal Weight: 1.5 oz., (42g.) Dow-Key Microwave Corporation. Dow-Key Microwave Corporation. 403-130.

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