Switches

The DowKey 60 Series coaxial relays are ruggedly constructed and designed for operation to a maximum power level of 1 kilowatt.
Coil Voltage: 220vdc
New Old Stock * No longer available for export 
MFR: Dow-Key Company 
SKU: 60--270442-P

• Tested Good
• BNC Female Connectors

Used * No longer available for export
MFR: Dow-Key Microwave

SKU: DK-DPDT-28VDC-P

• Missing Knob
• No Dial Plate

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-PLATE-NO-KNOB-P

Early version of the 78-0304 switch.
Used * No longer available for export
MFR: Dow Key, USA
SKU: DK78-3-P

• Minor dent in case

Used * No longer available for export
MFR: Waters Manufacturing, Inc.
SKU: 375-SP6T-P

Early version of the 78-0204 switch.
Used * No longer available for export
MFR: Dow Key, USA
SKU: DK78-2-P

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

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

• Connectors: SMA Female
• Voltage: 28vdc

New Old Stock * No longer available for export
MFR: Transco
SKU: 82152-146C70100-8