32.768KHZ晶振是(shi)款實時(shi)(shi)鬧鐘(zhong)晶振,它(ta)的(de)(de)作用是(shi)可以產(chan)生時(shi)(shi)序電(dian)路(lu)基(ji)準(zhun)信(xin)號。而之所以選(xuan)用32.768K是(shi)因為它(ta)是(shi)2的(de)(de)15次(ci)冪(mi),是(shi)因為可以很[敏感詞(ci)]的(de)(de)得(de)到(dao)一秒的(de)(de)計(ji)時(shi)(shi)。不僅如此,包括所有(you)(you)的(de)(de)實時(shi)(shi)時(shi)(shi)鐘(zhong)晶振一般都(dou)是(shi)32.768或其(qi)倍頻。貼片32.768K晶振的(de)(de)負(fu)載電(dian)容都(dou)是(shi)12.5PF。常用32.768K晶振的(de)(de)電(dian)子(zi)產(chan)品(pin)有(you)(you)智能(neng)手機、智能(neng)手表、安防(fang)和可穿戴設備等(deng)等(deng)。也還有(you)(you)很多生活(huo)類、工業類電(dian)子(zi)也會常用到(dao)這款頻率的(de)(de)進口晶振。
Image | Types of | Model | Package size | Frequency | Voltage/load | Frequency difference | Operating temperature | Sample Application | |
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SMD KHZ Crystal (2012) | H21 | 2.0x1.2x0.6mm | 32.768KHZ | 12.5PF or specif | ±10PPM or specif | -40℃~+85℃ or specif | ![]() |
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SMD KHZ Crystal (3215) | H31 | 3.2x1.5x0.75mm | 32.768KHZ | 12.5PF or specif | ±20PPM or specif | -40℃~+85℃ or specif | ![]() |
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SMD KHZ Crystal (MC146) | G146 | 7.0x1.5mm | 32.768KHZ | 12.5PF or specif | ±10PPM or specif | -40℃~+85℃ or specif | ![]() |
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SMD KHZ Crystal (MC146) | MC146 | 7.0x1.5mm | 32.768KHZ | 12.5PF or specif | ±20PPM or specif | -40℃~+85℃ or specif | ![]() |
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SMD KHZ Crystal(Y206) | Y206 | 2.0x6.0mm | 32.768KHZ | 20PF or specif | ±20PPM or specif | -20℃~+70℃ | ![]() |
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SMD KHZ Crystal(Y308) | Y308 | 3.0x8.0mm | 32.768KHZ | 20PF or specif | ±20PPM or specif | -20℃~+70℃ or specif | ![]() |
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