
( Brand: Mallory ), ( Manufacturer Part Number: TC-78 ), ( Part Type: Paper Capacitor Cap ), ( Country/region Of Manufacture: United States )
The Mallory TC-78 NOS 1950s Paper Capacitor is a vintage electronic component with a rich history in the world of electronics. This axial capacitor, specifically a 40uf 450V model, is a must-have for hobbyists, collectors, and technicians working on vintage electronic projects or restoring classic equipment.
This capacitor, manufactured by Mallory, is a time-honored component from the 1950s era. Its nostalgic appeal is not just limited to its historical significance but also its unique design. The TC-78 is an axial capacitor, meaning its leads are positioned along the axis of the body, making it well-suited for applications where space is a premium.
The 40uf (microfarads) rating of this capacitor represents its ability to store 40,000 microcoups of charge at a voltage of 450 volts. It is constructed using paper as its dielectric material, which was a popular choice during the 1950s for its excellent electrical properties and high voltage handling capabilities.
The TC-78's voltage rating of 450 volts is impressive, making it suitable for use in high voltage applications without the risk of failure. Its paper dielectric material also contributes to its ability to handle high voltages.
This capacitor is a New Old Stock (NOS) item, meaning it is a genuinely old component that has been newly discovered and is still in its original, unopened packaging. This ensures that the capacitor is in its pristine condition and has not been exposed to the elements or aging, making it an excellent investment for those seeking authentic vintage components for their projects.
The Mallory TC-78 NOS 1950s Paper Capacitor is a versatile component with a wide range of applications. It is commonly used in radio and television circuits, power supplies, and other electronic projects that require a high voltage, large capacitance value. Its vintage design and excellent electrical characteristics make it an essential addition to any electronics enthusiast's collection.
In summary, the Mallory TC-78 NOS 1950s Paper Capacitor is a vintage axial capacitor with a 40uf 450V rating, making it an excellent choice for high voltage applications. Its paper dielectric material and historical significance make it a popular component among hobbyists, collectors, and technicians working on vintage electronic projects. This NOS item is in its original, unopened packaging, ensuring its authenticity and pristine condition.
The Mallory TC-78 NOS 1950s paper capacitor is an obsolete but highly sought-after electronic component due to its superior performance and historical significance. This axial capacitor has a capacitance of 40 F and a voltage rating of 450V. In this analysis, we will discuss the pros and cons of purchasing this vintage component.
II. Pros1. Superior Performance: The Mallory TC-78 NOS paper capacitor is known for its excellent performance. It offers a low ESR (Equivalent Series Resistance), low ESL (Equivalent Series Inductance), and high Q-factor, which are crucial for applications requiring low power loss, high voltage stability, and excellent frequency response.
2. Historical Significance: This vintage component has a rich history and is considered a collector's item. Owning a Mallory TC-78 NOS paper capacitor can be an appealing addition for hobbyists, vintage electronics enthusiasts, and those restoring old equipment.
3. Long-Term Reliability: Paper capacitors, such as the Mallory TC-78 NOS, are known for their superior long-term reliability compared to modern capacitors. They are less susceptible to failure due to their simple construction and the stability of paper as a dielectric material.
III. Cons1. Limited Availability: Due to their age and obsolescence, Mallory TC-78 NOS paper capacitors are becoming increasingly difficult to find. This scarcity can lead to high prices and lengthy search times for potential buyers.
2. Cost: The high demand for these vintage components has driven up their prices. New production alternatives may offer better value for money for those who do not require the historical significance or superior performance of the Mallory TC-78 NOS.
3. Size and Shape: The axial design of the Mallory TC-78 NOS capacitor may limit its compatibility with modern circuit boards or enclosures. This could require additional modifications or custom solutions for integration into newer systems.
IV. ConclusionThe Mallory TC-78 NOS 1950s paper capacitor offers superior performance and historical significance but comes with limited availability, high cost, and compatibility issues. For hobbyists or professionals restoring vintage equipment or requiring the superior performance of a paper capacitor, the Mallory TC-78 NOS could be an excellent investment. However, for those seeking a cost-effective solution, modern alternatives may be more suitable.
V. RecommendationBefore purchasing a Mallory TC-78 NOS paper capacitor, carefully consider the specific requirements of your project, such as the application, budget, and compatibility with modern systems. If the historical significance and superior performance are crucial, then the Mallory TC-78 NOS is an excellent choice. If not, consider modern alternatives that may offer better value for money and compatibility with modern systems.
I've tested the capacitor using my multi meter but it has not been for ESR or leakage. Model number TC-78 and made in USA. New old stock Mallory capacitor. Please see pictures.