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It is designed for audio and RF applications. It features an improved anode-to-screen-grid ceramic envelope which eliminates the cracking problem. It has a directly-heated thoriated tungsten mesh filament for mechnical ruggedness and good VHF electrical performance. |
Technical specification
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Model: 4CX3500A |
General Characteristics(for more details, please download or ask for) | |||||||
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Plate Dissipation(Max.) |
3,500 W |
Capacitance |
Grounded Cathode |
Grounded Grid |
Length |
184.2mm /7.25 in. | ||
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Screen Dissipation(Max.) |
165 W |
Input |
115 pF |
63.8 pF |
Diameter |
125.5mm /4.94 in. | ||
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Grid Dissipation(Max.) |
50 W |
Output |
15.6 pF |
16.2 pF |
Weight |
2.5kg /5.5 lb. | ||
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Filament Voltage |
5.0 V |
Feedthrough |
0.63 pF |
0.06 pF |
Cooling Way |
Forced air | ||
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Filament Current |
90 A |
Filament/Cathode |
Thoriated-Tungsten Mesh |
Air Socket |
SK-340/350 | |||
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Amplification Factor |
4.5 |
Base |
Coaxial |
Air Chimney |
SK-306/356 | |||
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Frequency for Max. Rating |
220 MHz |
Operation Position |
Axis Vertical, Base up or down |
Anode Cap |
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Typical Operation |
Maximum Ratings | ||||||
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Type of Service |
Class of Operation |
Plate Voltage |
Screen Voltage |
Plate Current |
Drive Power |
Ouput Power |
Plate Voltage |
Plate Current |
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RF Power Amplifier FM or Telegraphy |
C |
4,000 V |
500 V |
1.5 A |
56 W |
3,800 W |
6,000 V |
2.0 A |