typicalOpeRatiOn

typeofservice

plate

plate

plate

screen

plate

Drive

Output

Operation

Voltage current

Voltage Voltage current

power

power

(Volts)

(amps)

(Volts)

(Volts)

(amps) (Watts) (kiloWatts)

c

griddrivenRFamplifierplatemodulated

5,500

3.0

5,000

---

3.0

515

12.4

c

RFindustrialoscillator

7,000

4.0

7,000

---

4.0

---

22.4

The 3CW20,000A3 is a medium-mu power triode

intended primarily for use as a power oscillator in

industrial heating applications. It is also recom-

mended for use as a conventional plate-modu-

lated amplifier, or as a linear amplifier. service.

3cW20,000a3

or contact: CPI MPP Division, Eimac Operations, 607 Hansen Way, Palo Alto, CA 94303

telephone

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.

chaRacteRistics

Plate Dissipation (Max.)

20,000 Watts

Screen Dissipation (Max.)

---

Grid Dissipation (Max.)

250 Watts

Frequency for Max. rating (CW)

110 MHz

Amplification Factor

20

Filament/Cathode

Thoriated Tungsten

Voltage

7.5 Volts

Current

99.0 Amps

Capacitance

Grounded Cathode

Input

53.0 pf

Output

1.4 pf

Feedthrough

34 pf

Capacitance

---

Input

--- pf

Output

--- pf

Feedthrough

--- pf

Cooling

Water and Forced Air

Base

Coaxial

Air Socket

SK-1300

Air Chimney

---

Boiler

---

Length

11.22 in; 285.00 mm

Diameter

4.65 in; 118.10 mm

Weight

11.5 lb; 5.2 kg