3cW5000a3 / 8242
chaRacteRistics
The 3CW5000A3/8242 is a medium-mu triode
intended for use in amplifier, oscillator, or modula-
tor service. Their maximum rated anode dissipa-
tion is 5000 watts. This tube is a water cooled
version of the air cooled 3CX2500A3/8161 and
3CX2500F3/8251.
Plate Dissipation (Max.)
Screen Dissipation (Max.)
Grid Dissipation (Max.)
Frequency for Max. rating (CW)
Amplification Factor
Filament/Cathode
Voltage
5,000 Watts
N/A
150 Watts
75 MHz
22
Thoriated Tungsten
7.5 Volts
51.5 Amps
Grounded Cathode
35.0 pf
Current
Capacitance
Input
Output
0.9 pf
Feedthrough
Capacitance
Input
20 pf
N/A
N/A
Output
N/A
Feedthrough
Cooling
N/A
Water and Forced Air
Coaxial
Base
Air Socket
N/A
Air Chimney
Boiler
N/A
N/A
Length
12.62 in; 320.5 mm
3.63 in; 92.10 mm
4.8 lb; 2.2 kg
Diameter
Weight
MaxiMuM Ratings
typical OpeRatiOn
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Oꢄꢅrꢁꢈꢆoꢉ
tꢃꢄꢅ of sꢅrvꢆꢇꢅ
pꢀꢁꢈꢅ
pꢀꢁꢈꢅ
pꢀꢁꢈꢅ
sꢇrꢅꢅꢉ
pꢀꢁꢈꢅ
Drꢆvꢅ
Oꢊꢈꢄꢊꢈ
powꢅr
Voꢀꢈꢁꢋꢅ cꢊrrꢅꢉꢈ
Voꢀꢈꢁꢋꢅ Voꢀꢈꢁꢋꢅ cꢊrrꢅꢉꢈ
powꢅr
(Voꢀꢈꢂ)
(amꢄꢂ)
(Voꢀꢈꢂ)
(Voꢀꢈꢂ)
(amꢄꢂ) (Wꢁꢈꢈꢂ) (kꢆꢀoWꢁꢈꢈꢂ)
c
grꢆd Drꢆvꢅꢉ RF amꢄꢀꢆfiꢅr
6,000
5,000
6,000
6,000
2.5
2.0
2.5
2.5
6,000
5,000
6,000
5,000
---
---
---
---
2.0
1.5
3.0
2.3
136
76
113
59
10.0
5.58
13.0
8.0
c
grꢆd Drꢆvꢅꢉ RF amꢄꢀꢆfiꢅr pꢀꢁꢈꢅ Modꢊꢀꢁꢈꢅd
grꢆd Drꢆvꢅꢉ aF amꢄꢀꢆfiꢅr or Modꢊꢀꢁꢈor
grꢆd Drꢆvꢅꢉ aF amꢄꢀꢆfiꢅr or Modꢊꢀꢁꢈor
aB2
aB2
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 ꢆꢉformꢁꢈꢆoꢉ on this and other CPI MPP products, visit our website at: www.ꢇꢄꢆꢆ.ꢇom,
or contact: CPI Microwave Products Division, Eimac Operation,607 Hansen Way, Palo Alto, CA 94303
t e l e p h o n e : 1(800) 414-8823. f a x : (650) 592-9988 | e m a il : powergrid@cpii.com