Penta Laboratories 3CX10,000A7/8160 Power Triode

The 3CX10,000A7/8160 is a high-mu power triode designed for use in demanding high-power RF applications. Its ceramic and metal construction ensures durability and reliability, making it an ideal high power amplifier or RF amplifier for various industries. With zero-bias Class-B amplifier capabilities, it simplifies circuit design and eliminates the need for a bias supply. This Penta tube is a best in class choice for those seeking an affordable and precision quality alternative to other brands of 3CX10,000A7/8160 tubes such as Econco/Eimac and National/Richardson Electronics.

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General Characteristics

• Plate Dissipation (Max.): 10,000 Watts (This is a lot of power!)
• Screen Dissipation (Max.): Not specified
• Grid Dissipation (Max.): 500 Watts
• Frequency for Max. Rating (CW): 160 MHz (Indicates this tube is suitable for high-frequency applications)
• Amplification Factor: 200 (High amplification factor suggests it can significantly boost signal strength)

Filament/Cathode

• Type: Thoriated Tungsten (A common cathode material for high-power tubes)
• Voltage: 7.5 Volts
• Current: 99.0 Amps (This is a very high filament current, indicating a large cathode)

Capacitance

• Grounded Cathode:
  • Input: 59.0 pF
  • Output: 36.0 pF
  • Feedthrough: 0.2 pF
• Grounded Grid:
  • Input: 59.0 pF
  • Output: 0.2 pF
  • Feedthrough: 36 pF

• Physical Characteristics

  • Cooling: Forced Air (Necessary due to the high power dissipation)
  • Base: Coaxial Air Socket SK-1300
  • Air Chimney: SK-1306
  • Boiler: Not specified (Likely not water-cooled)
  • Length: 8.75 in (222.20 mm)
  • Diameter: 7.05 in (179.10 mm)
  • Weight: 12.0 lb (5.5 kg)