w2w vacuum relay 8pcs.
W2W 5.0 kW Vacuum Relay. Lot of 8 pcs.
New & sealed in the manufacturer packing with unique number passport, this is never opened,never used !
IN ORIGINAL FACTORY SEALED PACKAGING
The powerful Vacuum Relays B2B-1B (W2W-1W-engl.) is manufactured in the Svetlana factory in St. Petersburg, Russia.The W2W-1W Perfect for switching the anode loads of tube PA, connection of capacitors, closing the whorls of coils.Perfect for converting your amplifier to QSK. Very perfect for solid switch of antennas, Hi-Power ATU, etc.
The control voltage On 16-28 VDC The control voltage Off- 1.5VDC
10-20 milliseconds switching time.
200 ohm coil. The Current coil: 60-140mA.
Max. Rated at 50 amps DC,or 35 amps at 3 Mhz. or 25 amps at 32 Mhz.
Direct resistance of contacts: 0,015 Om. Resistance of insulation: 500,0 MOm.
Maximum voltage at 30 MHz: 10.0 kV
Maximum switchable power at 30 Mhz: 5,0 kW
Temperature of work *C: -60* +100*
Maximum diameter: 58 mm. Maximum length: 115 mm.
Weight: 265 gram (0,6 lb)Operating Position -Any
Note: These parameters are specified in the certificate of the manufacturer. But real parameters of isolation of the relay and a current of contacts it is much better.In the USSR in conditions of absence of the market and a competition the manufacturer has been interested in the sertificate of the lowered parameters. It reduced his responsibility before the military customer,hi
Los-Alamos U.S. national laboratory tested this vacuum relays and rated as 15kV 50A 5kW HF Power relays.
Vacuum relays and switches have characteristics that are well suited to airborne, marine and mobile communications systems, as well as fixed installation systems. The high dielectric strength of a vacuum is one of the important features which distinguishes vacuum relays from other types of relays. The use of vacuum as a contact environment increases the operating reliability and the life of the relay. Absence of oxygen prevents contact corrosion and the formation of oxides and organic materials, which can increase circuit resistance. Vacuum relays are distinguished by very low thermal and RF noise generation. Because the contact resistance of vacuum this relays is very low and stable, these units offer very low circuit losses. RF insertion loss is typically between 0.02 and 0.1 dB at operating frequencies.
Vacuum relays feature:
* Long life, high reliability
* Low contact resistance
* High voltage and current carry capabilities
* High speed switching
* Compact design
Price is per Eight (8) W2W-1W New and factory sealed Power vacuum relays.