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3CX1000A3 Datasheet, PDF (1/1 Pages) Communications & Power Industries, Inc. – RF Industrial oscillator
3CX1000A3
The 3CX1000A3 is a forced air cooled, ceramic/
metal, medium-mu power triode designed primar-
ily for use in industrial radio frequency heating
services. Input of 9 kW is permissible up to 75
MHz. Plentiful reserve emission is available from
its 233 watt filament. The grid structure is rated at
75 watts, making this tube an excellent choice for
industrial service.
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
1,000 Watts
---
75 Watts
100 MHz
24
Thoriated Tungsten
7.5 Volts
31.0 Amps
Grounded Cathode
20.4 pf
0.89 pf
9.0 pf
---
--- pf
--- pf
--- pf
Forced Air
3 Pin Special
SK-520
---
---
7.93 in; 201.4 mm
2.91 in; 73.1 mm
2.7 oz; 1.2 kg
Class of
Operation
C
Maximum Ratings
Typical Operation
Type of Service
RF Industrial oscillator
Plate
Voltage
(Volts)
Plate
Current
(Amps)
6,000
1.5
Plate
Voltage
(Volts)
Screen
Voltage
(Volts)
Plate
Current
(Amps)
Drive Output
Power Power
(Watts) (kiloWatts)
6,000
---
0.75
---
3.67
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: 1(800) 414-8823. fax: (650) 592-9988 | email: powergrid@cpii.com