TUBE 4CV250,000B

GENERAL DESCRIPTION


photo 4CV250,000B The 4CV250,000B is recommended for use as a Class C RF amplifier or oscillator, a Class AB RF linear amplifier or a Class AB push-pull AF amplifier or modulator.
The 4CV250,000B is also useful as a plate and screen modulated class C RF amplifier.


TECHNICAL SPECIFICATIONS
Plate Dissipation (Max.) 250,000 watts
Screen Dissipation (Max.) 3,500 watts
Grid Dissipation (Max.) 1,500 watts
Frequency for Max. Ratings (CW) 30 MHz
Cooling Vapor and Water
Filament
Voltage
Current
Thoriated tungsten
12.0 volts
660 amperes
Capacitances (Grounded Cath. Connection)
Input
Output
Feed-through

745 pF
124 pF
6.0 pF
Capacitances (Grounded Grid Connection)
Input
Output
Feed-through

324 pF
128 pF
1.2 pF
Amplification Factor (g1-g2) 4.5
Base Special
Filament Connectors SK-1711
Grid Connectors SK-1712
Recommended Boiler BR-620
Maximum Seal & Envelope Temperature 200°C
Maximum Length (less Boiler) 28.02 in; 17.17 cm
Maximum Diameter (less Boiler) 15.06 in; 38.26 cm
Weight (approximate) (less Boiler) 180 lb; 82 kg
Operating Position Vertical, Anode Up (base down)
Specifications may change without notice

THIS TUBE IS USED IN THE FOLLOWING SHORTWAVE BROADCAST TRANSMITTERS
Manufacturer Transmitter specifications Power in kW
Continental Electronics 419 F 250


THIS TUBE IS AVAILABLE FROM
Manufacturer Rebuilder Distributor
Eimac
Richardson Electronics


PRICE LEVEL (US$)
1 2 3 4 5 6
0 - 10 10 - 100 100 - 1000 1000 - 10,000 10,000 - 50,000 50,000 - 100,000