4.0000MHz Crystal, HC-49/US SMD, ±50ppm, 18pF Load Capacitance
ABLS Series 25MHz SMD Crystal, 50ppm Stability, Lead Free
ABLS Series 40 MHz ±50 ppm 18 pF -40 to +85 °C Surface Mount Low Profile Crystal
Parallel - 3Rd Overtone Quartz Crystal,