
( Brand: National ), ( Manufacturer Part Number: CNU-12SN7GT ), ( Model: JAN CNU-12SN7GT ), ( Part Type: Glass Tube )
The National CNU-12SN7GT Union Tube Glass Getter with Copper Posts is a high-quality component designed for use in vacuum tubes and other high-vacuum applications. This getter is specifically designed to remove residual gases and other impurities from the vacuum chamber, improving the overall performance and longevity of the vacuum system.
The Union Tube Glass Getter features a 12mm diameter glass tube, which is made from borosilicate glass for superior strength and resistance to thermal shock. The tube is filled with a specialized getter material, which is a metal alloy that has a high affinity for oxygen, nitrogen, and other gases. When the getter is heated, it absorbs these gases, leaving the vacuum chamber clean and free of contaminants.
The getter is equipped with two copper posts, which are used to secure the getter in place within the vacuum chamber. The copper posts are designed to be easily threaded into the vacuum chamber, allowing for easy installation and removal. They are also made from high-quality copper, which provides excellent electrical conductivity and resistance to corrosion.
Overall, the National CNU-12SN7GT Union Tube Glass Getter with Copper Posts is a high-performance component that is ideal for use in a variety of vacuum applications. Its borosilicate glass tube and specialized getter material ensure superior performance, while its copper posts make installation and removal easy and convenient. Whether you're working in the field of electronics, semiconductors, or research and development, this getter is an essential component for maintaining a clean and contaminant-free vacuum environment.
Pros of buying National CNU-12SN7GT Union Tube Glass Getter Copper Posts:1. High-quality material: National CNU-12SN7GT Union Tube Glass Getter Copper Posts are made of high-grade copper, ensuring durability and reliability in operation.
2. Excellent heat conductivity: Copper's excellent heat conductivity property allows for efficient heat transfer, reducing the risk of tube damage and improving the overall performance of the glass getter.
3. Union design: The union design makes for easy installation and maintenance, reducing the need for specialized tools or skills.
4. Compatibility: The National CNU-12SN7GT Union Tube Glass Getter Copper Posts are compatible with various vacuum tubes, including triodes, tetrodes, and pentodes.
Cons of buying National CNU-12SN7GT Union Tube Glass Getter Copper Posts:1. Cost: The high-quality materials and manufacturing process make these copper posts relatively expensive compared to other options.
2. Availability: These copper posts may not be readily available in all areas, requiring a special order or online purchase.
Conclusion:If you are looking for a reliable, long-lasting, and efficient solution for your vacuum tube getter needs, National CNU-12SN7GT Union Tube Glass Getter Copper Posts are an excellent choice. Although the upfront cost may be higher, the investment in high-quality copper posts can save you time and money in the long run by reducing maintenance and repair costs.
Recommendation:We recommend considering the National CNU-12SN7GT Union Tube Glass Getter Copper Posts for your vacuum tube getter requirements, especially if you value durability, efficiency, and ease of installation. If you are on a tight budget, you may want to explore alternative options with lower costs, although you may sacrifice some of the benefits that come with high-quality copper posts.
Tested on our calibrated TV-7A/U at 100/100 where 50/50 is the minimum. Original box included but shows shelf wear/age. Up for sale is a National Union JAN CNU-12SN7GT Tube. Constructed with black glass, copper grid posts, and bottom getter.