详细说明：
产地:山东省
型号:ZM-145
Normal frequency: 32.768KHz
Storage temperature range: -55 to +125°
Operating temperature range: -40 to +85°
Frequency tolerance: ± ppm
Load capacitance: 12.5pF
Motional capacitance: 1.9pF
Shunt capacitance: 0.8pF
Aging: ± 3ppm per year maximum