HC49S Passive Quartz Resonator, Crystal Electronics, 10pcs, 4Mhz, 6Mhz, 8Mhz, 12Mhz, 16Mhz, 20Mhz, 24MHz, 30MHz,32MHz, 40MHz
https://www.vogueparade.com/shopping/EN/4003/1/1005003060987874/hc49s-passive-quartz-resonator-crystal-electronics-10pcs-4mhz-6mhz-8mhz-12mhz-16mhz-20mhz-24mhz-30mhz32mhz-40mhz//