RF Coaxial Relays: "Miscellaneous" Connectors
RF Coaxial Relay
SPDT / 6.5 GHz / "SC" Connectors
(KC) D2828G1-PS
V-Z Inc. / Dynatech RF coaxial relay. SPDT, 6.5 GHz, "SC" connectors. Fail safe with indicator circuitry. 50 ohm, 24 - 30 vdc. Isolation: 60 dB minimum @ 6.5 GHz, 100 dB @ 100 MHz. 5 kw @ 400 MHz <-> 550 watts @ 6.5 GHz. Same as Transco 810C51200. Control circuit requires MS3116E-10-65 connector. NOTE: "SC" connectors and cables are available on our website.
$775 each
Encapsulated RF Coaxial Relay
12v DC Coils
End View, Label
Close-up Coaxial Connection
Top View, Diagram
(KC) 2188592
Hathaway Instruments used these cute little encapsulated RF relays in a telemetry product. Each of three coils is 12 vdc 160 ohms. Entire unit measures only 1-1/8" x 1-7/8" x 1" high. Relays are new.
  • Coil 1 operates 2 - SPST N.C. RF Contacts
  • Coil 2 operates 1 - SPST N.O. RF Contact
  • Coil 3 operates 2 - SPST N.O. Standard Contacts
$25 each
RF Pin Switch
SP2T / ±15v DC
(KC) 100C1563
Daico RF pin switch. SP2T, ±15 vdc. DC - 12 GHz. Solder terminals. NSN: 5985-01-138-0700.
$650 each
Crystal Can Coaxial Relay
SPDT
(KC) RFBC-4528
HI-G coaxial RF contacts have 24" long, 50 ohm PTFE coax attached. Additional SPDT indicator contact set. 8.9 ma of current through 2000 ohm coil pulls and holds.
$55 each
Hardwire Dowkey Relay
SPDT / 28v DC
(KC) DK-140
SPDT, Dowkey relay. Collins replacement. 28 vdc coil. RG-58 on common / NC ports, bottom terminal for NO port.
$185 each
RF Coaxial Relay
N-MB / SPDT / 27.5v DC / 2 GHz / 500w
(KC) 300-11878
RF coaxial relay. "N" (common & N.O.), "MB" (N.C.), 27.5 vdc, 2 GHz, 500w.
$45 each
Crystal Can Relay
"SMB" / DPDT / 26v DC
(KC) 13-34-04430
Crystal can relay. SMB "snap-on" plug on common port, SMB jacks N.O., N.C. ports. Second set confirming contacts. 26 vdc coil.
$95 each
Fail Safe Relay
"SMB" / 2 GHz / 32v DC
(KC) DK-119
Dowkey, fail-safe relay rated at 50 watts. SMB "snap-on" plugs on all ports. 32 vdc. Break before make.
$265 each
RF Coaxial Relay
"SMC" / 12v DC / SPDT
(KC) 315-10053-2
The only "SMC" (fits UG-1465) relay in the house. Good DC-3 GHz. 12 vdc coil. 10 ms switch time. Used, removed from equipment. Made by Amphenol.
$45 each
RF Coaxial Relay
Microdot S-93 / SPDT / 26v DC / 250 Ohm
(KC) 302-10033
Amphenol SPDT relay with S-93, 93 ohm connectors.
Coil: 26 vdc, 250 ohm.
$345 each

Failsafe RF Coaxial Relay
SPDT - MB / 48v DC / 2 GHz / 300w

(KC) 346-10128-4
Terminates unused port into 91 ohm resistor. Failsafe. 48 vdc (100 ma) control. 2 GHz, 300 watts. Break before make. 2" x 2-1/4" x 2-1/2" high.
$225 each
RF Coaxial Relay
LT - SPDT / 50 Ohm
(KC) C14K2CA
400 watt CW @ 5 GHz. 5 kw CW @ 100 MHz. 50 ohm. This has "LT" connectors, NOT LC!! They look the same but are very different.
$175 each