What is this?This quartz crystal oscillator features HC-49S DIP 2-pin passive crystal frequencies. Made of quartz material, these crystals provide stable frequency generation for electronic circuits. Common applications include microcontrollers, RF systems, automotive electronics, and consumer devices like DVD/MP3 players.What will I get?You’ll receive 30pcs of quartz crystals, the kit includes 15 frequency values (4MHz, 7.3728MHz, 6MHz, 11.0592MHz, 8MHz, 12.288MHz, 10MHz, 22.1184MHz, 12MHz, 16MHz, 20MHz, 24MHz, 25MHz, 48MHz, 32.768KHz cylindrical) with 2pcs per value. Size: 10.5x4.5 mm / 0.41x0.18 Inch. They feature a ±20ppm frequency tolerance, 20pF load capacitance, and operate within -20°C–85°C.Is there any advantage?These crystals oscillator offer high precision and stability for reliable circuit performance.