3cx2500D3
chaRacteRistics
Plate Dissipation (Max.)
Screen Dissipation (Max.)
Grid Dissipation (Max.)
Frequency for Max. rating (CW)
Amplification Factor
Filament/Cathode
Voltage
The 3CX2500D3 is a forced air cooled, ceramic/
metal, medium-mu power triode designed primar-
ily for use in industrial radio frequency heating
services. Input of 7.77 kW is permissible up to 110
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.
2,500 Watts
---
75 Watts
110 MHz
24
Thoriated Tungsten
7.5 Volts
31.0 Amps
Grounded Cathode
20.0 pf
Current
Capacitance
Input
Output
0.89 pf
Feedthrough
Capacitance
Input
9.0 pf
---
--- pf
Output
--- pf
Feedthrough
Cooling
--- pf
Forced Air
3 Pin Special
---
Base
Air Socket
Air Chimney
Boiler
---
---
Length
7.6 in; 19.3 cm
4.125 in; 10.48 cm
4.0 lb ; 8.8 kg
Diameter
Weight
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6,000ꢀ
---ꢀ
1.21ꢀ 165ꢀ 5.27
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.
Forꢀꢇꢊformꢂꢉꢇoꢊꢀon this and other CPI products, visit our website at:ꢀwww.ꢈꢅꢇꢇ.ꢈom,
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