NEW Penta 4CX250B/7203 Tube
Comes with what you see in the pictures. If you don't see it, you probably wont get it.
Specifications are from Richardson Electronics and may vary slightly due to upgrades, options, or revisions this unit may or may not have.

Used in Ham Radio, Induction Heaters, Plasma Generators, RF Generators and much more!

Brief Description:
The Penta 4CX250B/7203 has a maximum plate dissipation rating of 250 watts and a maximum input power rating of 500 watts. The 4CX250B/7203 is designed to operate with a heater voltage of 6.0 volts.

Link to datasheet: http://catalog.rell.com/rellecom/Images/Objects/1000/918.htm

Specifications:
Amplification Factor (µ): 5.0
Associated Chimney: SK606
Associated Chimney: SK626
Associated Socket: SK600A
Associated Socket: SK602A
Associated Socket: SK610A
Associated Socket: SK612
Associated Socket: SK630A
Associated Socket: SK640
Associated Socket: Y358
Associated Socket: Y268
Associated Socket: SK655
Associated Socket: SK650
Associated Socket: SK636B
Associated Socket: SK620A
Associated Socket: SK611
Brand: Eimac
Category: INDUSTRIAL TUBE
Cooling Method: Forced Air
Description: 250W Forced Air Cooled Tetrode
Filament Current (A): 2.600
Filament Voltage (V): 6.000
Frequency (MHz) Maximum: 500
Peak Anode Voltage (kV): 2.000
Plate Dissipation (W): 250
Screen Dissipation (Max.): 12 Watts
Grid Dissipation (Max.): 2 Watts
Typical Anode Current (A): 0.250
Typical Anode Dissipation (kW): 0.250
Typical Anode Voltage (V): 2,000
Typical Power Out (kW): 0.300

$20.00 Minimum for shipping, handling and order processing.

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06/30/05