Part Number : 521U-220803-ROHS
The 521-Series part number 521U-220803-ROHS SPDT coaxial switch switch is ideal for DC to 18GHz applications with 1.35 @ 18 GHz VSWR performance and 50 Ohm impedance. It features failsafe actuator, 12 VDC coil voltage, and SMA female connector, and it requires 11V ~ 14V voltage supply. Additionally, it has DC to Coils drive circuit options, no indicators and 5M cycles special options.
Insertion Loss dB
DC to 18GHz
1.35 @ 18GHz
60dB @ 18GHz
DC to Coils
-25°C ~ 65°C
* Performance and weight varies depending on selected options. Values listed
are for Standard 401 Failsafe model.
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.