
( Brand: Thomson ), ( Part Type: Tube ), ( Country/region Of Manufacture: United States )
The TH347 is a distinctive and high-performing transmitting tetrode tube, originally manufactured by Thomson-CSF. This vacuum tube is designed for use in medium-power RF applications, making it an ideal choice for various radio frequency applications such as high-frequency amplifiers, oscillators, and transmitters.
The TH347 is characterized by its tetrode configuration, which comprises a control grid, a screen grid, a cathode, and a plate, all housed within a glass envelope. This design allows for efficient energy transfer and ensures a stable and reliable operation, even under high-power conditions.
The TH347 tetrode tube features a generous plate anode area, which contributes to its high output power capability. This tube can deliver up to 10 watts of RF power, making it a suitable choice for applications that require a substantial amount of power. Moreover, its low plate input impedance and high gain make it well-suited for applications where power amplification is essential.
The TH347 tube is constructed using premium materials, including high-quality tungsten filament and nickel-chromium alloy mesh grids. These materials ensure the tube's durability and long-term reliability, even when subjected to high temperatures and heavy usage. Additionally, the tube's glass envelope is designed to withstand severe environmental conditions, such as high voltage, humidity, and mechanical shock.
In summary, the TH347 transmitting tetrode tube by Thomson-CSF is a powerful and dependable vacuum tube that excels in medium-power RF applications. Its tetrode configuration, generous plate anode area, and high output power make it an ideal choice for power amplifiers, oscillators, and transmitters. The TH347's durability and reliability, combined with its high gain and low plate input impedance, make it an indispensable component in various radio frequency systems.
Pros of buying a TH347 Thomson-CSF transmitting tetrode tube:1. High power handling capacity: The TH347 tube has a high power handling capacity, making it suitable for high power applications such as radio transmitters and broadcasting equipment.
2. Stable operation: The tube is known for its stable operation, which is important for maintaining consistent signal quality.
3. Long lifespan: With proper maintenance, the TH347 tube can have a long lifespan, reducing the need for frequent replacements.
4. Availability: The TH347 tube is still in production and can be easily purchased from various suppliers.
Cons of buying a TH347 Thomson-CSF transmitting tetrode tube:1. High cost: The TH347 tube is more expensive than some other tetrode tubes, which may make it a less affordable option for some users.
2. Requires specialized equipment: The TH347 tube requires specialized equipment for testing and maintenance, which may not be readily available to all users.
3. Limited applications: The TH347 tube is primarily used for high power applications, which may limit its usefulness for users with different needs.
In conclusion, the TH347 Thomson-CSF transmitting tetrode tube is a high-quality tube with a number of advantages, such as its high power handling capacity, stable operation, and long lifespan. However, its high cost and limited applications may make it less suitable for some users. If you have a need for a high power tube and can afford the cost, the TH347 tube may be a good option for you. If you have different needs or a tighter budget, you may want to consider other tube options.
The tube itself is in good condition. Used but has not been in use for sometime.