Product Description
The Toshiba E3069 is an industrial-grade metal-ceramic power triode vacuum tube designed for use in high-frequency RF oscillation and heating applications. It features a directly heated thoriated tungsten cathode, forced air cooling, and is rated for up to 11kW anode output power. This tube is commonly used in industrial high-frequency heating equipment, RF welding machines, and dielectric heating generators operating in the MHz frequency range.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Toshiba |
| Model / Part Number | E3069 |
| Tube Type | Power Triode (Vacuum Tube) |
| Construction | Metal-Ceramic Structure |
| Cathode Type | Directly Heated Thoriated Tungsten |
| Filament Voltage | 12.6V |
| Filament Current | 40A |
| Max Anode Output Power | 11kW |
| Anode Dissipation Power | 5kW (limit) / 11kW (max anode dissipation) |
| Max Working Frequency | 110 MHz |
| Nominal Operating Frequency | 27.12 MHz |
| DC Anode Voltage (Max) | 8kV |
| DC Anode Current (Max) | 2.2A |
| DC Grid Current (Max) | 0.5A |
| Grid Dissipation (Max) | 0.15kW |
| Grid Resistance | 3.5kΩ |
| Amplification Factor (μ) | 21 |
| Transconductance | 13 mA/V |
| Input Capacitance (Grounded Filament) | 20 pF |
| Feedback Capacitance | 0.8 pF |
| Output Capacitance | 15 pF |
| Cooling Method | Forced Air |
| Max Envelope Temperature | 250°C |
| Operating Position | Vertical |
| Max Height | 239 mm |
| Max Diameter | 127 mm |
| Weight | 3 kg |
| Application | Industrial High-Frequency Heating, RF Welding Machines, Dielectric Heating |
| Place of Origin | Japan |
We warranty all items for 30 days from date of purchase.
Other Details
We warranty all items for 30 days from date of purchase. If you experience any issues with your item within this period, please contact us and we will work with you to resolve the problem. This warranty covers defects in functionality but does not cover damage caused by misuse, improper installation, or normal wear and tear.Product Videos
Custom Field
GTIN 679523686161
Country/Region of Manufacture Japan
Full Load Amps 40A
Manufacturer Tosiba
Part Number E3069
Shelf K-36
Model E3069
MPN E3069
Type Heater
