石英晶体谐振器（）他的简称叫石英晶体或者叫晶振，名称只是对一个物体的简称，不用刻意的去在意它叫什么名字？只要你记住realglant给你以下你看明白了！你就对石英晶体谐振器了解到你所想要的标准及目标，希望对您有所帮助！
说明书:
| Model | HC-49SMD-4PAD |
| Frequency Range | 3.2 ~ 100.000MHz |
| Frequency Tolerance at 25°C±2°C | ±20 ~ ±50ppm(TYP.) |
| Frequency Stability Over Operating Temp Range | ±10 ~ ±50ppm(TYP.) |
| Operating Temp Range | -10°C ~+60°C, -20°C ~+70°C, -40°C ~+85°C or customer requirement |
| Load Capacitance | 8pF ~32pf,series or special |
| Shunt Capacitance | 7pf Max |
| Drivel Level | 0.1uW~1000Uw(TYP:100uw) |
| Insulation Resistance | 500MΩ min / DC 100V±15V |
| Oscillation Mode | Fundamental,3rd & 5th overtone |
| Measure Instrument | S&A 250B |
等效串联电阻(ESR)与频率的关系:
| Frequency(MHz) | Oscillation Mode | HC-49SMD-4PAD |
3.2 ~
3.79 | Fundamental | 200Ω max |
3.8 ~
4.49 | Fundamental | 150Ω |
4.5 ~
5.99 | Fundamental | 120Ω |
6.0 ~
7.99 | Fundamental | 100Ω |
8.0 ~
9.99 | Fundamental | 80Ω |
| 10.0 ~ 11.99 | Fundamental | 70Ω |
| 12.0 ~ 15.99 | Fundamental | 60Ω |
| 16.0 ~ 19.99 | Fundamental | 50Ω |
| 20.0 ~ 39.99 | Fundamental | 40Ω |
| 26.0 ~ 39.99 | 3rd overtone | 100Ω |
| 40.0 ~ 70.0 | 3rd overtone | 80Ω |
| 70.0 ~ 100.0 | 3rd overtone | 100Ω |
尺寸:
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