Surface mount crystal unit HC-49SMD with frequency range 3.2768 to 32MHz, AT fundamental mode, ESR up to 180Ω, load capacitance options 12pF or 20pF, operating temperature -20 to +70°C or -40 to +85°C.
HC-49US DIP crystal unit with dimensions 11.5 x 4.5 x 3.6mm, frequency range 3.2768 to 32MHz, AT fundamental mode, load capacitance options 12pF or 20pF, operating temperature -20 to +70°C or -40 to +85°C, and ESR up to 180Ω.
SMD glass sealed crystal unit YSX530GA, 5.0 x 3.2 x 1.2 mm, frequency range 8 to 54 MHz, AT fundamental mode, load capacitance 10pF or 20pF, ESR up to 80Ω, operating temperature -40 to +85°C.