● HC-49US HC-49US-SMD 谐振器
HC-49US HC-49US-SMD
● 技术参数Specifications
频率范围
Frequency range 3.579-27 20-40 26-60
振动模式
Mode of vibration 基频 Fundamental 基频 Fundamental 3次泛音
3rd overtone
切型 Cutting type AT BT AT
谐振电阻
Resonance resistance 30-120 40 80
频率误差(25℃) Frequency tolerance at 25℃ ±10PPM~±50PPM
静电容
Shunt capacitance 7PF Max
负载电容
Load capacitance 12-50PF or Seies
激励电平 Drive level 0.1-2mW
● 温度频差Frequency Tolerance Over Temperature Range
Temperature range Frequency Tolerance
±10PPM ±15PPM ±20PPM ±30PPM ±50PPM
0℃~+50℃ ● ● ● ● ●
-10℃~+60℃ ● ● ● ● ●
-20℃~+70℃ ● ● ● ● ●
-40℃~+85℃ ● ● ● ●