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电脑主板计时专用晶振FC-12M时钟晶振X1A000021000200

2022-10-18 17:36:43 冠杰电子

爱普生晶振是国内外都比较出名使用又多的晶振品牌,无论是从晶振品牌的知名度以及石英晶振的产品质量来讲都是得到广大使用,该产品的群体所认可的。无论是KHZ晶振,还是MHZ晶振爱普生晶振公司都会涉及到,小到1610尺寸晶振,大到8045贴片晶振。它们正随着市场的需求从而改进产品的封装尺寸。爱普生晶振型号FC-12M是一款超小型尺寸2.0x1.2mm无源晶振,32.768k晶振石英晶体谐振器,两脚贴片晶振,具有超小型,轻薄型,耐热及耐环境特性,适用于用于计时(时间基准),钟表电子,电脑主板计时,智能手机,水电表,仪器仪表,微波炉等。

电脑主板计时专用晶振FC-12M时钟晶振X1A000021000200FC-12M

爱普生晶振 尺寸(长宽高) 型号 频率 负载电容 精度 工作温度
X1A000061000200 2.05x1.2x0.6mm FC-12M 32.768kHz 12.5pF +/-20.0ppm -40 to +85°C
X1A000061000300 2.05x1.2x0.6mm FC-12M 32.768kHz 12.5pF +/-30.0ppm -40 to +85°C
X1A000061000600 2.05x1.2x0.6mm FC-12M 32.768kHz 7pF +/-20.0ppm -40 to +85°C
X1A000061000800 2.05x1.2x0.6mm FC-12M 32.768kHz 9pF +/-20.0ppm -40 to +85°C
X1A000061001400 2.05x1.2x0.6mm FC-12M 32.768kHz 12.5pF +/-10.0ppm -40 to +85°C
X1A000061002100 2.05x1.2x0.6mm FC-12M 32.768kHz 6pF +/-20.0ppm -40 to +85°C
X1A000061002400 2.05x1.2x0.6mm FC-12M 32.768kHz 9pF +/-10.0ppm -40 to +85°C
X1A000061003000 2.05x1.2x0.6mm FC-12M 32.768kHz 8pF +/-20.0ppm -40 to +85°C
X1A000061003200 2.05x1.2x0.6mm FC-12M 32.768kHz 6.6pF +/-20.0ppm -40 to +85°C
X1A000061003500 2.05x1.2x0.6mm FC-12M 32.768kHz 7pF +/-10.0ppm -40 to +85°C
X1A000021000200 2.05x1.2x0.6mm FC-12M 32.768kHz 10pF +/-20.0ppm -40 to +85°C
X1A000021000700 2.05x1.2x0.6mm FC-12M 32.768kHz 10pF +/-20.0ppm -40 to +85°C
X1A000021000800 2.05x1.2x0.6mm FC-12M 32.768kHz 10pF +/-20.0ppm -40 to +85°C
X1A000021001000 2.05x1.2x0.6mm FC-12M 32.768kHz 9pF +/-20.0ppm -40 to +85°C
X1A000021001100 2.05x1.2x0.6mm FC-12M 32.768kHz 10pF +/-20.0ppm -40 to +85°C
X1A000021001600 2.05x1.2x0.6mm FC-12M 32.768kHz 7pF +/-20.0ppm -40 to +85°C

电脑主板计时专用晶振FC-12M时钟晶振X1A000021000200

电脑里的实时时钟与石英钟是一样的道理,要是不供电,实时钟是不会走的。开机时由机箱电源供电,关机后由主板电池供电。由主板电池供电到机箱电源供电由一个专门电路切换。开机时实时钟准确,说明电源向32.768k晶振供电正常,32.768K晶振本身也没有问题;关机断电时钟不走说明切换电路有故障,主板电池不能向32.768K晶振供电,因此32.768K晶振停振,因此时钟不走了。所以这种故障应重点检查从主板电池到32.768之间的电路。重点检查切换电路。往往由于一个小元件有问题就能发生这种故障。




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