爱普生晶振微型的SMD无源晶振用于MPU时钟Q22FA2380014616

爱普生晶振微型的SMD无源晶振用于MPU时钟Q22FA2380014616，在这个电子产品如日新月异的时代里，产品的更新为我们的生活带来不少的便利，同时也需要考虑其成本，因此成本问题成了生产商考虑的重要因素，对于把控成本每个企业都有自身的衡量标准，如果超过公司成本范围，则需要考虑是否找到可替代，低成本的贴片石英晶振,这样能够有效节约成本，而工程在设计电路时，又需要考虑其他方面的问题，晶振为何能够对电子产品影响这么大呢？其实我们都知识晶振对于产品本身来说，是具有大价值，而晶振与产品也是相互联系，缺一不可，同时也说明了晶振对于产品的重要程度。

Product Number16	LxWxH	爱普生晶振型号	Frequency	CL Value	Freq.tol. @+25°C	Freq.tol./Temp.range	Temperature range
Q22FA2380000116	3.2 x 2.5 x 0.7mm	FA-238	20.000000 MHz	12 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380000216	3.2 x 2.5 x 0.7mm	FA-238	20.000000 MHz	18 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380001116	3.2 x 2.5 x 0.7mm	FA-238	16.934400 MHz	10 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380001316	3.2 x 2.5 x 0.7mm	FA-238	25.000000 MHz	10 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380002216	3.2 x 2.5 x 0.7mm	FA-238	27.000000 MHz	12 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380002816	3.2 x 2.5 x 0.7mm	FA-238	27.000000 MHz	18 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380003516	3.2 x 2.5 x 0.7mm	FA-238	20.000000 MHz	12 pF	+/-30 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380004116	3.2 x 2.5 x 0.7mm	FA-238	24.000000 MHz	20 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380004416	3.2 x 2.5 x 0.7mm	FA-238	24.000000 MHz	7 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380004716	3.2 x 2.5 x 0.7mm	FA-238	16.000000 MHz	7 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380004816	3.2 x 2.5 x 0.7mm	FA-238	49.152000 MHz	12 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380006316	3.2 x 2.5 x 0.7mm	FA-238	24.576000 MHz	12 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380006516	3.2 x 2.5 x 0.7mm	FA-238	24.000000 MHz	12 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380007516	3.2 x 2.5 x 0.7mm	FA-238	50.000000 MHz	12 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380007616	3.2 x 2.5 x 0.7mm	FA-238	48.000000 MHz	10 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380007816	3.2 x 2.5 x 0.7mm	FA-238	48.000000 MHz	18 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380007916	3.2 x 2.5 x 0.7mm	FA-238	27.000000 MHz	10 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380008516	3.2 x 2.5 x 0.7mm	FA-238	48.000000 MHz	12 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380008816	3.2 x 2.5 x 0.7mm	FA-238	24.576000 MHz	12 pF	+/-30 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380008916	3.2 x 2.5 x 0.7mm	FA-238	24.000000 MHz	16 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C

无源晶振，准确来说应叫Crystal(晶体)，有源晶振则叫Oscillator(振荡器)。无源晶振是在石英晶片的两端镀上电极而成，其两管脚是无极性的。无源晶振自身无法震荡，在工作时需要搭配外围电路。在一定条件下，石英晶片会产生压电效应：晶片两端的电场与机械形变会互相转化。当外加交变电压的频率与晶片的固有频率相等时，晶体产生的振动和电场强度最大，这称为压电谐振，类似与LC回路的谐振。

Product Number16	LxWxH	Model	Frequency	CL Value	Freq.tol. @+25°C	Freq.tol./Temp.range	Temperature range
Q22FA2380009116	3.2 x 2.5 x 0.7mm	FA-238	18.432000 MHz	20 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380009216	3.2 x 2.5 x 0.7mm	FA-238	25.000000 MHz	20 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380009316	3.2 x 2.5 x 0.7mm	FA-238	18.432000 MHz	12 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380009516	3.2 x 2.5 x 0.7mm	FA-238	25.000000 MHz	12 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380009816	3.2 x 2.5 x 0.7mm	FA-238	30.000000 MHz	10 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380010316	3.2 x 2.5 x 0.7mm	FA-238	27.000000 MHz	16 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380011416	3.2 x 2.5 x 0.7mm	FA-238	24.000000 MHz	18 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380012016	3.2 x 2.5 x 0.7mm	FA-238	24.576000 MHz	18 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380012716	3.2 x 2.5 x 0.7mm	FA-238	18.432000 MHz	16 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380012816	3.2 x 2.5 x 0.7mm	FA-238	18.432000 MHz	18 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380012916	3.2 x 2.5 x 0.7mm	FA-238	22.579200 MHz	10 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380013316	3.2 x 2.5 x 0.7mm	FA-238	16.000000 MHz	12 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380013716	3.2 x 2.5 x 0.7mm	FA-238	40.000000 MHz	18 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380013816	3.2 x 2.5 x 0.7mm	FA-238	27.000000 MHz	8 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380014016	3.2 x 2.5 x 0.7mm	FA-238	48.000000 MHz	16 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380014116	3.2 x 2.5 x 0.7mm	FA-238	32.000000 MHz	10 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380014616	3.2 x 2.5 x 0.7mm	FA-238	26.000000 MHz	10 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380014716	3.2 x 2.5 x 0.7mm	FA-238	26.000000 MHz	20 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380014816	3.2 x 2.5 x 0.7mm	FA-238	48.000000 MHz	12 pF	+/-30 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380014916	3.2 x 2.5 x 0.7mm	FA-238	18.432000 MHz	10 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C
Q22FA2380015616	3.2 x 2.5 x 0.7mm	FA-238	24.576000 MHz	10 pF	+/-50 ppm	+/-30 ppm	-20 to +70 °C