VINTAGE
Vintage: RF Parts Company has more than 20,000 sq. ft. of VINTAGE Communications Equipment and Electronic Parts. Due to the enormous volume of our inventory, much of it is not listed on our www.rfparts.com website (we have been uploading our inventory as time allows, since 1992. Please send an email to rfp@rfparts.com or call 1-800-RFPARTS (1-800-737-2787) to check availability and pricing.

78-0304 Dow-Key SP3T Three Position UHF Coax Switch (Pull)
In Stock
DowKey Series 78 selector switches are conservatively rated 1000w @ 50 MHz to 450w @ 450 MHz and 60 dB minimum isolation. DowKey quality, a good choice for the station.
Used * No longer available for export
MFR: Dow-Key Company
SKU: DK78-0304-P

78-0204 Dow-Key SPDT Two Position UHF Coax Switch (Pull)
In Stock
DowKey Series 78 selector switches are conservatively rated 1000w @ 50 MHz to 450w @ 450 MHz and 60 dB minimum isolation. DowKey quality, a good choice for the station.
Clean Good condition with some cosmetic wear
Used * No longer available for export
MFR: Dow-Key Co, USA
SKU: 78-0204-P
Note: Picture for reference only
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78-108 Dow-Key 2 Position Female BNC Coax Switch DC-2.5 GHz 1kw (Pull)
In Stock
Series 78 Dow-Key: Selector switches are conservatively rated @ 1000w @ 100 MHz or 200w @ 2.5 GHz. 50 dB minimum isolation, 0.1 dB max. insertion loss. DowKey quality, a good choice for the station. Rotor locks into place. Pull and turn for new position.
Shaft Dia: 1/4"
Good condition with some cosmetic wear.
Used * No longer available for export
MFR: Dow-Key (Division of Kilovac)
SKU: 78-108-P

78-109 Dow-Key 3 Position Female BNC Coax Switch DC-2.5 GHz 1kw (Pull)
In Stock
Series 78 Dow-Key: Selector switches are conservatively rated @ 1000w @ 100 MHz or 200w @ 2.5 GHz. 50 dB minimum isolation, 0.1 dB max. insertion loss. DowKey quality, a good choice for the station. Rotor locks into place. Pull and turn for new position.
Shaft Dia: 1/4"
Good condition with some cosmetic wear.
Used * No longer available for export
MFR: Dow-Key (Division of Kilovac)
SKU: 78-109-P

60-262842 Dow-Key SPDT 115vac Relay with "G" Options and DPDT Auxiliary Contacts (Pull)
In Stock
This 60 Series is a patented, high isolation option (“G” option) for transmit-receive applications. This option leaves the unused input open, and increases the isolation on the N/C connector to 85 dB at frequencies up to 500 MHz. This option reduces the maximum power rating of the N/C connector to 20 Watts, and will increase the VSWR of this terminal above approximately 400 MHz.
Designed for operation to a maximum power level of 1 kilowatt.
Coil Voltage: 115vac
Used * No longer available for export
MFR: Dow-Key Company
SKU: 60-262842
See Data Sheet for more information
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60-2704 Dow-Key 220vac SPDT Two Position UHF Coax Switch (NOS)
In Stock
The DowKey 60 Series coaxial relays are ruggedly constructed and designed for operation to a maximum power level of 1 kilowatt.
Coil Voltage: 220vac
New Old Stock * No longer available for export
MFR: Dow-Key Company
SKU: 60--2704
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78-0404 Dow-Key SP4T Four Position Coax Switch 50-450 MHz 1kw PEP (Pull)
In Stock
Dow-Key Series 78 selector switches are conservatively rated 1000w @ 50 MHz to 450w @ 450 MHz and 60 dB minimum isolation. Dow-Key quality, a good choice for the station.
Used * No longer available for export
MFR: Dow-Key, USA
SKU: 78-0404-P

78-0404 Dow-Key SP4T Four Position Coax Switch 50-450 MHz 1kw PEP (Pull)
In Stock
- Missing Knob
Dow-Key Series 78 selector switches are conservatively rated 1000w @ 50 MHz to 450w @ 450 MHz and 60 dB minimum isolation. Dow-Key quality, a good choice for the station.
Used * No longer available for export
MFR: Dow-Key, USA
SKU: 78-0404-NO-KNOB-P

77-260232 Dow-Key 115Vac BNC SPDT with 1 "C" Auxiliary Contact (NOS)
In Stock
These medium size, light-weight relays are designed and manufactured with gold plated RF contacts and silver plated outer conductors which give good RF performance to 1 GHz.
- Isolation: greater than 30dB
- Insertion loss: less than 0.15dB
New Old Stock * No longer available for export
MFR: Dow-Key
SKU: 77-260232

60-2604 Dow-Key 115vac SPDT UHF Relay (NOS)
In Stock
The DowKey 60 Series coaxial relays are ruggedly constructed and designed for operation to a maximum power level of 1 kilowatt.
Coil Voltage: 115vac
Coil Current: 12 VDC - 250mA
28VDC - 108mA
New Old Stock * No longer available for export
MFR: Dow-Key Company
SKU: 60-2604
See Data Sheet for more information
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