TUBE 4CX300A / 8167

GENERAL DESCRIPTION


photo 4CX300A The 4CX300A is a compact power tetrode having a maximum plate-dissipation rating of 300 watts.
The ceramic/metal construction and the internally unitized electrode structure combine to make the 4CX300A especially durable and free from mechanically induced noise under conditions of severe acceleration caused by shock or vibration.


TECHNICAL SPECIFICATIONS
Plate Dissipation (Max.) 300 watts
Screen Dissipation (Max.) 12 watts
Grid Dissipation (Max.) 2 watts
Frequency for Max. Ratings (CW) 500 MHz
Cooling Forced Air
Cathode
Voltage
Current
Oxide-coated Unipotential
6.0 volts
2.9 amperes
Capacitances (Grounded Cath. Connection)
Input
Output
Feed-through

29.0 pF
4.0 pF
0.04 pF
Amplification Factor (g1-g2) 4.8
Transconductance 12,000 µmhos
Base Special, Breechblock
Recommended Air-System Socket SK-700
Recommended Air Chimney SK-606
Maximum Seal & Anode Core Temperature 250°C
Maximum Length 2.50 in; 63.50 mm
Maximum Diameter 1.64 in; 41.60 mm
Weight (approximate) 4 oz; 113 gm
Operating Position Any
Specifications may change without notice

THIS TUBE IS USED IN THE FOLLOWING SHORTWAVE BROADCAST TRANSMITTERS
Manufacturer Transmitter specifications Power in kW
Continental Electronics 416 C 10


THIS TUBE IS AVAILABLE FROM
Manufacturer Rebuilder Distributor
Eimac
Richardson Electronics
Penta Laboratories



PRICE LEVEL (US$)
1 2 3 4 5 6
0 - 10 10 - 100 100 - 1000 1000 - 10,000 10,000 - 50,000 50,000 - 100,000