5867A/TB3/750 Triode

High-Power 5867A/TB3/750 Triode Tube for Industrial & RF Applications

Product Overview

This product is a 5867A/TB3/750 Triode vacuum tube, designed for high-power, high-frequency applications. It features a robust glass envelope and a direct thermal carbonization thorium-tungsten cathode. The 5867A/TB3/750 is an essential component for industrial heating, RF amplification, and oscillating circuits, providing stable and efficient operation for demanding systems. It is a direct replacement for existing 5867, TB3/750, and TB3-750 tube types.

Key Features

• Tube Type: Power Triode

• Envelope Material: Glass

• Cathode Type: Direct Thermal Carbonization Thorium-Tungsten

• Anode Cooling Method: Radiation-Cooled (Natural Cooling); forced-air cooling recommended for higher frequency/power operation.

• Construction: Hard glass with low-loss ceramic insulators.

• Reliability: Engineered for durability and stable operation in demanding industrial environments.

• Compatibility: Direct replacement for 5867, TB3/750, and TB3-750.

Primary Applications

• Industrial RF Heating Equipment

• Radio Frequency (RF) Amplifiers

• High-Frequency Oscillators

• Class B Modulators

• Specialized Medical Equipment

• RF Heat Sealing Equipment

• RF Welding Equipment

Detailed Product Specifications

• Tube Model Number: 5867A/TB3/750 (Also compatible with 5867, TB3/750, TB3-750)

• Cathode Type: Thorium-Tungsten (Direct Thermal Carbonization)

• Anode Cooling: Radiation (Natural cooling); Note: Forced-air cooling recommended for high power applications.

• Maximum Anode Dissipation: 350 Watts (W)

• Maximum Operating Frequency: 50 MHz (Rated for full performance)

• Extended Operating Frequency: 100 MHz (At reduced ratings)

• Typical Output Power: 1.2 Kilowatts (KW) (Under specific operating conditions)

• Filament Voltage (Vf): 5.0 Volts (V)

• Filament Current (If): 14.1 Amperes (A)

• Maximum DC Plate Voltage (Va max): 4,000 Volts (V)

• Maximum Grid Dissipation: 30 Watts (W)

• Amplification Factor (Mu): Approximately 25