The 4CX250B/7203 is a forced-air cooled, 250-watt plate dissipation, external anode, and ceramic and metal radial beam tetrode. The superior construction of the 4CX250B makes it ideal for use as a grid driven RF amplifier or oscillator, or an AF power amplifier or
modulator. It is designed to operate with a heater voltage of 6.0volts.
Price:
Order requiring:
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Plate Dissipation (Max.) |
250 W |
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Screen Dissipation (Max.) |
12 W |
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Grid Dissipation (Max.) |
2 W |
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Frequency for Max. rating (CW) |
500 MHz |
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Amplification Factor |
5 |
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Filament/Cathode Oxide Coated |
Voltage |
6.0 V |
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Current |
2.6 A |
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Capacitance Grounded Cathode |
Input |
15.7 pf |
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Output |
4.5 pf |
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Feedthrough |
0.04 pf |
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Capacitance Grounded Grid |
Input |
13.0 pf |
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Output |
4.5 pf |
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Feedthrough |
0.01 pf |
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Cooling |
Forced Air |
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Base |
9 Pin Special |
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Recommend Air Socket |
SK-600A |
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Recommend Air Chimney |
SK-606 |
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Boiler --- |
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Length |
2.46 in, 62.50 mm |
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Diameter |
1.64 in, 41.70 mm |
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Weight |
4 oz, 113 gm |
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