4CPW300-000A Datasheet, PDF (1/1 Pages) Communications & Power Industries, Inc. – Switch tube (maximum regulation range 20 Kv)

4CPW300,000A/9008
The 3CPW300,000A/9008 is a water-cooled
power tetrode intended for use as a pulse modula-
tor or in pulse regulator service. The tube is rated
for 100 kVdc holdoff in a protective atmosphere,
with a 90 amperes pulse cathode rating during
conduction and a 300 kW anode dissipation rating
(average age during the pulse). Peak anode cur-
rent capability in excess of 150 amperes for short
pulse operation is practical.
Characteristics
Plate Dissipation (Max.)
Screen Dissipation (Max.)
Grid Dissipation (Max.)
Frequency for Max. rating (CW)
Amplification Factor
Filament/Cathode
Voltage
Current
Capacitance
Input
Output
Feedthrough
Capacitance
Input
Output
Feedthrough
Cooling
Base
Air Socket
Air Chimney
Boiler
Length
Diameter
Weight
300,000 Watts
3,500 Watts
1,500 Watts
--- MHz
4.5
Thoriated Tungsten
12.0 Volts
660 Amps
Grounded Cathode
770 pf
122 pf
4.0 pf
---
--- pf
--- pf
--- pf
Water and Forced Air
Special
---
---
---
28.8 in; 73.15 cm
12.0 in; 30.48 cm
98 lb; 44.5 kg
Maximum Ratings
Typical Operation
Class of
Operation
Type of Service
---
Switch tube (maximum regulation range 20 Kv)
---
Pulse modulator
Plate
Voltage
(Volts)
Plate
Current
(Amps)
100,000
90
100,000
90
Plate
Voltage
(Volts)
Screen
Voltage
(Volts)
Plate
Current
(Amps)
Drive Output
Power Power
(Watts) (kiloWatts)
---
---
---
---
---
83,000 1,000
80
---
6.4
The values listed above represent specified limits for the product and are subject to change. The data should be used for basic
information only. Formal, controlled specifications may be obtained from CPI for use in equipment design.
For information on this and other CPI products, visit our website at: www.cpii.com,
or contact: CPI MPP Division, Eimac Operations, 607 Hansen Way, Palo Alto, CA 94303
telephone: [phone]. fax: [phone] | email: [e-mail]