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This is compact radial beam tetrode with a maximum plate dissipation of 350 watts. The intended use for this radial beam tetrode is for Class-AB, audio or RF amplifier services. |
Technical specification
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Model: 4CX350A/8321 |
General Characteristics(for more details, please download or ask for) | |||||||
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Plate Dissipation(Max.) |
350 W |
Capacitance |
Grounded Cathode |
Grounded Grid |
Length |
2.464 in. | ||
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Screen Dissipation(Max.) |
8 W |
Input |
24.2 pF |
19.9 pF |
Diameter |
1.640 in. | ||
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Grid Current(Max.) |
2 mA |
Output |
5.5 pF |
5.5 pF |
Weight |
4 oz. | ||
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Filament Voltage |
6.0 V |
Feedthrough |
0.05 pF |
0.01 pF |
Cooling Way |
Forced air | ||
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Filament Current |
3.25 A |
Filament/Cathode |
Oxide-Coated, Unipotential |
Air Socket |
SK-600 | |||
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Amplification Factor |
13 |
Base |
Special 9-Pin |
Air Chimney |
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Frequency for Max. Rating |
220 MHz |
Operation Position |
Any |
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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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Audio-Frequency Amplifer or Modulator |
AB1 |
1,500 V |
400 V |
530 mA |
0 W |
400 W |
2,500 V |
300 mA |
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RF Linear Amplifier |
AB1 |
1,500 V |
400 V |
265 mA |
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200 W |
2,500 V |
300 mA |