
( Brand: Jennings Radio ), ( Manufacturer Part Number: 48B100H ), ( Type: Vacuum Capacitor ), ( Modified Item: No ), ( Country/region Of Manufacture: United States )
The Jennings VC12 12mmFDS Vacuum Capacitor, model number 48B100H, is a high-quality component designed specifically for use in Ham Radio transmitters. This vacuum capacitor is a critical element in the RF circuit, providing necessary energy storage and voltage boosting for the transmitter.
The VC12 is a 12mm diameter vacuum capacitor, which makes it compact yet powerful. It operates at a voltage rating of 20kV, ensuring it can handle high power signals without failing. The '48B100H' in the model number indicates that this capacitor has a capacitance of 48 microfarads and a working temperature range between -55 C and 105 C.
This capacitor is designed for long-term use in Ham Radio applications. It features a robust construction with a high-quality vacuum seal to prevent air leaks, ensuring consistent performance over time. The 12mmFDS designation denotes that this is a flat, disc-shaped capacitor, which allows for easy integration into various transmitter designs.
To keep your Ham Radio transmitter in top condition, it's essential to maintain the vacuum capacitors, including the Jennings VC12. Regular cleaning of this component can help prevent the buildup of dust and other contaminants, which can degrade performance and potentially cause failures. With this in mind, a 'clean' version of the Jennings VC12 is particularly useful for Ham Radio enthusiasts who prioritize the longevity and efficiency of their equipment.
In summary, the Jennings VC12 12mmFDS Vacuum Capacitor, model number 48B100H, is a reliable and high-performance capacitor designed for use in Ham Radio transmitters. Its compact size, high voltage rating, and robust construction make it an excellent choice for enthusiasts looking to maintain their equipment's peak performance. Regular cleaning is crucial to ensure the longevity of this component, making the 'clean' version of the VC12 an attractive option for many Ham Radio enthusiasts.
Pros of buying a 48B100H Jennings VC12 12mmFDS Vacuum Capacitor 20kV for a ham radio transmitter clean:1. High voltage capacity: The capacitor can handle up to 20kV, making it suitable for high-power ham radio transmitters.
2. Reliability: Vacuum capacitors are known for their long lifespan and high reliability compared to other types of capacitors.
3. Low leakage current: Vacuum capacitors have a very low leakage current, which can improve the performance of the transmitter.
4. High energy storage capacity: The capacitor has a high energy storage capacity, which can help reduce the transmitter's power consumption and improve its efficiency.
Cons of buying a 48B100H Jennings VC12 12mmFDS Vacuum Capacitor 20kV for a ham radio transmitter clean:1. High cost: Vacuum capacitors are more expensive than other types of capacitors, so they may not be the best option for budget-conscious ham radio operators.
2. Limited availability: Vacuum capacitors are not as widely available as other types of capacitors, which can make it more difficult to find replacements if necessary.
3. Bulky size: The capacitor is relatively large and heavy, which can make it more difficult to integrate into some ham radio transmitter designs.
Conclusion:The 48B100H Jennings VC12 12mmFDS Vacuum Capacitor 20kV can be a valuable addition to a ham radio transmitter clean. Its high voltage capacity, reliability, low leakage current, and high energy storage capacity can improve the performance of the transmitter. However, its high cost, limited availability, and bulky size may make it a less attractive option for some ham radio operators. If you have the budget and space, and require the high voltage capacity, then this capacitor may be a good investment. If you are on a budget or have a lower power transmitter, you may want to consider other options that are more cost-effective and easier to integrate into your transmitter design.
It is untested and offered as due to age. This one is a 12 mmfd type rated for 20,000 volts . Up for bids is the Jennings Radio vacuum capacitor.
The capacitor is clean and in good condition. It is marked 48B100H.