Features: The air variable capacitor delivers precise capacitance adjustment across wide frequency ranges, ensuring stable signals transmission and enhanced performances in electronic devices, ideal for tuning circuits. Constructed from copper and ceramic materials, this compact capacitor offer durability in high temperature and humid environments, with standard interfaces for easy installation and tuning capabilities. Designed for electronic engineers and hobbyists, it provides accurate tuning for projects requiring fine adjustments to matching resonant frequencies in various applications. Suitable for use in communication systems, broadcast equipment, and televisions tuners, this capacitor optimizes circuit performances in filter designs and signals processing. Its versatile design supports effortless integration into tight spaces, enabling stable operations and improved device lifespans for innovation in electronics. Specifications: Component: Copper+Ceramic Operating Temperature: -55°℃-+125°℃ Relative Humidity: 96% at 40°C Size: Approx. 1.71inch(4.35cm) Package Includes: 1x Variable Capacitor note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.