3-500ZG Transmitting Tube

3-500Z tube specs The 3-500Z tube stands as one of the most versatile and powerful transmitting tubes in the amateur radio and industrial sectors. This robust triode tube combines exceptional durability with high-power handling capabilities, making it a preferred choice for both HAM radio enthusiasts and professional applications. Known for its reliable performance and consistent output, the 3-500Z has become a standard in high-power amplifier designs. Whether you're building a linear amplifier for your amateur radio station or need a dependable tube for industrial RF equipment, understanding these key specifications will help ensure optimal performance and longevity. Here's what you need to know about its key specifications: Specification Details Filament Voltage 5.0V Filament Current 15A Plate Dissipation 500W Maximum Plate Voltage 4000V Cooling Method Radiation Base Type 5-Pin Special Maximum Operating Frequency 110 MHz Amplification Factor 130 These specifications make the 3-500Z an excellent choice for high-power amateur radio amplifiers and industrial RF heating applications. 3-500Z tube data sheet download For complete technical specifications and operating parameters, download our comprehensive 3-500Z tube data sheet. This detailed document includes essential information about: Maximum ratings Typical operating conditions Physical dimensions Installation guidelines Safety considerations Access the complete data sheet here to ensure optimal performance and longevity of your 3-500Z tube.  Data sheet for Amperex version here. Upgrades for Amperex version Ninex glass Large anode post creating a robust structure that will not break during transportation. Special design engineered foam for packing with the correct durometer for safe passage to their destination. 700-watt plate dissipation for those moments where extra power may be required for a short interval. Ceramic wafer capable of high temperature without having any degradation in leakage current. High temperature solder used to attach the pins to the tube. Consistent performance specifications during manufacturing that yield < 3 % test differential between tubes. Test reports are supplied that guaranty each tube is supplied that meets all the design characteristics required for optimal performance. A special sprayed application of Zirconium hydride (ZrH4) on the graphite anode that will absorb residual gas as the tube ages allowing for extended life expectancy. Anode caps that are molded into the glass bulb. The competition uses a separate cap that has a set screw to attach it to the anode, which is prone to arcing. 3-500Z tube substitute & equivalent information When considering replacements or alternatives for the 3-500Z tube, it's important to understand the key differences and compatibility options. The difference between 3-500Z and 3-500Zg lies mainly in their manufacturing specifications, though they are functionally identical in most applications.   For amateur radio enthusiasts looking for alternatives, the 572B and 811A tubes operate in similar applications, though with different power ratings and operating characteristics. While these tubes serve similar purposes in HAM radio equipment, they are not direct 3-500Z tube equivalent options and may require circuit modifications for proper operation. The 3-500Z is particularly popular in: Amateur radio linear amplifiers Industrial RF heating systems Broadcasting equipment Scientific applications When choosing between available options, consider factors such as: Power handling requirements Operating frequency range Cooling capabilities Socket compatibility Cost-effectiveness We recommend using genuine tubes specifically designed for your equipment for the best results.   Our team of vacuum tube manufacturers can help you determine the most suitable option for your specific application, ensuring optimal performance and reliability. Looking for other specialized electronic components? Explore our complete selection of high-quality vacuum tubes and related products for all your technical needs.