● HC-49US HC-49US-SMD 諧振器
HC-49US HC-49US-SMD
● 技術參數Specifications
頻率范圍
Frequency range 3.579-27 20-40 26-60
振動模式
Mode of vibration 基頻 Fundamental 基頻 Fundamental 3次泛音
3rd overtone
切型 Cutting type AT BT AT
諧振電阻
Resonance resistance 30-120 40 80
頻率誤差(25℃) Frequency tolerance at 25℃ ±10PPM~±50PPM
靜電容
Shunt capacitance 7PF Max
負載電容
Load capacitance 12-50PF or Seies
激勵電平 Drive level 0.1-2mW
● 溫度頻差Frequency Tolerance Over Temperature Range
Temperature range Frequency Tolerance
±10PPM ±15PPM ±20PPM ±30PPM ±50PPM
0℃~+50℃ ● ● ● ● ●
-10℃~+60℃ ● ● ● ● ●
-20℃~+70℃ ● ● ● ● ●
-40℃~+85℃ ● ● ● ●