ML-6427 Datasheet, PDF (1/1 Pages) Communications & Power Industries, Inc. – AM broadcast and industrial heating appli-cations

ML-6427/6427
The ML-6427 and 6427 are medium-Mu triodes
used in AM broadcast and industrial heating appli-
cations. The air-cooled anodes in these tubes are
rated at 20 kilowatts.
Characteristics
Plate Dissipation (Max.)
Screen Dissipation (Max.)
Grid Dissipation (Max.)
Frequency for Max. rating (CW)
Amplification Factor
Filament
Voltage
Current
Capacitance
Input
Output (Max.)
Cgp
Capacitance
Input
Output
Feedthrough
Cooling
Base
Air Socket
Air Chimney
Boiler
Length
Diameter
Weight
20,000 Watts
N/A
750 Watts
30 MHz
20
Thoriated Tungsten
12.5 Volts
200 Amps
Grounded Cathode
48 pf
2.4 pf
35 pf
N/A
pf
pf
pf
Forced Air
Special
N/A
N/A
N/A
16.125 in; 40.9 cm
5.25 in; 13.3 cm
30 lb; 13.6 kg
Class of
Operation
C
C
C
Maximum Ratings
Typical Operation
Type of Service
Industrial Oscillator
Industrial Oscillator
Plate modulated RF amplifier (telephony)
Plate
Voltage
(Volts)
Plate
Current
(Amps)
12,500
8.0
12,500
8.0
9,000
5.5
Plate
Voltage
(Volts)
Screen
Voltage
(Volts)
Plate
Current
(Amps)
Drive Output
Power Power
(Watts) (kiloWatts)
10,000 -1,100
6.5
900
46.4
12,000 -1,200
6.4
670
55.4
8,500 -1,400
4.8
1,100 30.7
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 Operation, 607 Hansen Way, Palo Alto, CA 94303
telephone: [phone]. fax: [phone] | email: [e-mail]