Check the listing for details. 10Pcs Quartz Crystal Oscillator Assortment DIP 2 Pin Replacements, 13.56Hz. Condition: New. Listed at 9.05 USD. 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 10pcs of quartz crystals with 13.56Hz frequency. 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. The standard HC-49S through-hole design ensures compatibility with most PCB, making them suitable for DIY projects, industrial devices, and prototyping.