钽(tan)(tan)电(dian)(dian)(dian)容(rong)(rong)的(de)(de)(de)(de)性能(neng)(neng)优良，是一(yi)种体(ti)积小、电(dian)(dian)(dian)容(rong)(rong)大(da)的(de)(de)(de)(de)产品(pin)。在电(dian)(dian)(dian)源(yuan)滤波器、交流(liu)旁路(lu)和其(qi)他(ta)应(ying)用中，几乎(hu)没有竞争(zheng)对手。钽(tan)(tan)电(dian)(dian)(dian)解电(dian)(dian)(dian)容(rong)(rong)器主要用于滤波、储(chu)能(neng)(neng)和转(zhuan)换、标(biao)记旁路(lu)、耦合和去(qu)耦，以及作(zuo)为时间常(chang)数元件等(deng)。因为它们可(ke)以储(chu)电(dian)(dian)(dian)，可(ke)以充放(fang)电(dian)(dian)(dian)。在应(ying)用中，应(ying)注(zhu)意其(qi)性能(neng)(neng)特(te)点。正(zheng)确使用有助于充分发挥(hui)其(qi)功(gong)能(neng)(neng)，如(ru)(ru)考虑产品(pin)的(de)(de)(de)(de)工作(zuo)环境和加热(re)温(wen)度(du)，采取降额(e)(e)使用等(deng)措施，使用不当(dang)会影响(xiang)产品(pin)的(de)(de)(de)(de)使用寿(shou)命。比(bi)如(ru)(ru)3354USB接口(kou)输(shu)出，降额(e)(e)后耐(nai)(nai)压(ya)达到5V，集成(cheng)度(du)比(bi)较高。当(dang)陶(tao)(tao)瓷(ci)电(dian)(dian)(dian)容(rong)(rong)器不能(neng)(neng)满足高耐(nai)(nai)压(ya)和大(da)容(rong)(rong)量的(de)(de)(de)(de)要求时，我们不得(de)不选择钽(tan)(tan)电(dian)(dian)(dian)容(rong)(rong)器。陶(tao)(tao)瓷(ci)的(de)(de)(de)(de)储(chu)能(neng)(neng)效果(guo)并不能(neng)(neng)按(an)照并联的(de)(de)(de)(de)电(dian)(dian)(dian)容(rong)(rong)来等(deng)效，达到同样(yang)效果(guo)的(de)(de)(de)(de)成(cheng)本(ben)也很高。MLCC（Multi-layer Ceramic Capacitors）是片式多层陶(tao)(tao)瓷(ci)电(dian)(dian)(dian)容(rong)(rong)器英文缩写。常(chang)州陶(tao)(tao)瓷(ci)电(dian)(dian)(dian)解电(dian)(dian)(dian)容(rong)(rong)品(pin)牌

当(dang)电(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)器(qi)(qi)的(de)(de)(de)(de)内部(bu)连(lian)接(jie)性(xing)能恶(e)化(hua)(hua)或失效(xiao)时，通(tong)常(chang)会出现开路。电(dian)(dian)(dian)气连(lian)接(jie)的(de)(de)(de)(de)恶(e)化(hua)(hua)可能是由腐蚀(shi)、振(zhen)动(dong)或机械(xie)应(ying)力引起(qi)的(de)(de)(de)(de)。铝电(dian)(dian)(dian)解(jie)(jie)电(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)器(qi)(qi)在高温(wen)或湿热环(huan)境下工(gong)(gong)作(zuo)时，阳极引出箔可能因电(dian)(dian)(dian)化(hua)(hua)学腐蚀(shi)而断裂。阳极引出箔与阳极箔接(jie)触(chu)(chu)不良也(ye)(ye)会造(zao)成(cheng)电(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)器(qi)(qi)间(jian)歇性(xing)开路。1)在工(gong)(gong)作(zuo)初期，铝电(dian)(dian)(dian)解(jie)(jie)电(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)器(qi)(qi)的(de)(de)(de)(de)电(dian)(dian)(dian)解(jie)(jie)液(ye)(ye)在负载工(gong)(gong)作(zuo)过程中会不断修(xiu)复和增厚阳极氧(yang)化(hua)(hua)膜(称为填(tian)形效(xiao)应(ying))，导(dao)致(zhi)电(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)下降(jiang)。2)在使用后期，由于(yu)电(dian)(dian)(dian)解(jie)(jie)液(ye)(ye)损(sun)耗大(da)，溶(rong)液(ye)(ye)变稠，电(dian)(dian)(dian)阻率增大(da)，增加(jia)了等效(xiao)串(chuan)联电(dian)(dian)(dian)阻和电(dian)(dian)(dian)解(jie)(jie)液(ye)(ye)损(sun)耗。同时，随着溶(rong)液(ye)(ye)粘度的(de)(de)(de)(de)增加(jia)，铝箔表面不均匀的(de)(de)(de)(de)氧(yang)化(hua)(hua)膜难以充(chong)分接(jie)触(chu)(chu)，减(jian)少了电(dian)(dian)(dian)解(jie)(jie)电(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)器(qi)(qi)的(de)(de)(de)(de)有效(xiao)极板面积，导(dao)致(zhi)电(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)量(liang)下降(jiang)。此外，在低温(wen)下工(gong)(gong)作(zuo)时，电(dian)(dian)(dian)解(jie)(jie)液(ye)(ye)的(de)(de)(de)(de)粘度也(ye)(ye)会增加(jia)，导(dao)致(zhi)电(dian)(dian)(dian)解(jie)(jie)电(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)损(sun)耗增加(jia)，电(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)下降(jiang)。徐州(zhou)贴片铝电(dian)(dian)(dian)解(jie)(jie)电(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)价格MLCC的(de)(de)(de)(de)结构主(zhu)要包括三大(da)部(bu)分：陶(tao)瓷(ci)介质(zhi)，内电(dian)(dian)(dian)极，外电(dian)(dian)(dian)极。

无论是(shi)笔记(ji)本电(dian)(dian)(dian)脑还是(shi)手机，对电(dian)(dian)(dian)源的(de)要求越来越高，通常在电(dian)(dian)(dian)源网络上(shang)(shang)并联大(da)量的(de)MLCC电(dian)(dian)(dian)容(rong)，如BUCK、BOOST架构的(de)电(dian)(dian)(dian)源，当设计异(yi)常或(huo)者负载工作(zuo)模式(shi)异(yi)常时，就很(hen)容(rong)易产生(sheng)“啸叫”。在笔记(ji)本电(dian)(dian)(dian)脑中(zhong)，当电(dian)(dian)(dian)脑处于休眠(mian)状态(tai)，或(huo)者启(qi)动(dong)摄像(xiang)头(tou)时，容(rong)易产生(sheng)啸叫。在手机中(zhong)，较典型的(de)一个案(an)例是(shi)GSM所用的(de)PA电(dian)(dian)(dian)源，此电(dian)(dian)(dian)源线上(shang)(shang)的(de)特点是(shi)功率波(bo)动(dong)大(da)、波(bo)动(dong)频率为典型的(de)217Hz，落入(ru)人耳(er)听(ting)觉范围(wei)内(20Hz~20Khz)，当GSM通话(hua)时，用于听(ting)诊器听(ting)此电(dian)(dian)(dian)源线上(shang)(shang)的(de)电(dian)(dian)(dian)容(rong)，很(hen)容(rong)易听(ting)到“滋滋”啸叫音(yin)。

了解(jie)电(dian)(dian)(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)的使用(yong)注意事(shi)项：1.电(dian)(dian)(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)有正极(ji)和负(fu)极(ji)，所以在电(dian)(dian)(dian)(dian)(dian)(dian)路中(zhong)使用(yong)时(shi)不(bu)能颠倒联接(jie)(jie)(jie)。在电(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)电(dian)(dian)(dian)(dian)(dian)(dian)路中(zhong)，输(shu)出正电(dian)(dian)(dian)(dian)(dian)(dian)压时(shi)电(dian)(dian)(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)的正极(ji)接(jie)(jie)(jie)电(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)输(shu)出端，负(fu)极(ji)接(jie)(jie)(jie)地，输(shu)出负(fu)电(dian)(dian)(dian)(dian)(dian)(dian)压时(shi)则负(fu)极(ji)接(jie)(jie)(jie)输(shu)出端，正极(ji)接(jie)(jie)(jie)地．当(dang)电(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)电(dian)(dian)(dian)(dian)(dian)(dian)路中(zhong)的滤波电(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)极(ji)性(xing)接(jie)(jie)(jie)反时(shi)，因(yin)(yin)电(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)的滤波作用(yong)较(jiao)大降低，一(yi)(yi)方面(mian)引起电(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)输(shu)出电(dian)(dian)(dian)(dian)(dian)(dian)压波动，另一(yi)(yi)方面(mian)又因(yin)(yin)反向通(tong)电(dian)(dian)(dian)(dian)(dian)(dian)使此时(shi)相(xiang)当(dang)于(yu)一(yi)(yi)个电(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)的电(dian)(dian)(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)发(fa)热．当(dang)反向电(dian)(dian)(dian)(dian)(dian)(dian)压超过某值时(shi)，电(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)的反向漏电(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)将变得很小，这样(yang)通(tong)电(dian)(dian)(dian)(dian)(dian)(dian)工作不(bu)久(jiu)，即(ji)可使电(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)因(yin)(yin)过热而炸裂损坏。铝(lv)电(dian)(dian)(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)是电(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)中(zhong)非常(chang)常(chang)见的一(yi)(yi)种。

用过液(ye)(ye)体(ti)(ti)(ti)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)的(de)(de)(de)玩家可能知道一件事。如(ru)果长(zhang)时间(jian)(jian)使用液(ye)(ye)体(ti)(ti)(ti)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器，它们的(de)(de)(de)使用寿命将(jiang)不(bu)会持久(jiu)。一旦使用寿命达到失效(xiao)，很容(rong)易。虽然是，但(dan)也没那(nei)么可怕(pa)，只是因(yin)(yin)为后(hou)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)液(ye)(ye)溢出来(lai)了。但(dan)是当(dang)它爆裂的(de)(de)(de)时候，你会听到轰的(de)(de)(de)一声(sheng)，听起来(lai)很可怕(pa)。所(suo)以固(gu)态(tai)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)的(de)(de)(de)优(you)势(shi)在于稳定性好，阻抗低，环(huan)保。液(ye)(ye)体(ti)(ti)(ti)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)具有性价比高(gao)(gao)、耐压高(gao)(gao)的(de)(de)(de)优(you)点。如(ru)果不(bu)看价格，那(nei)么固(gu)体(ti)(ti)(ti)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器其实(shi)比液(ye)(ye)体(ti)(ti)(ti)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器好很多(duo)。因(yin)(yin)为液(ye)(ye)体(ti)(ti)(ti)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)失效(xiao)时容(rong)易炸(zha)，所(suo)以顶部往往有“K”或“的(de)(de)(de)防爆槽，而固(gu)体(ti)(ti)(ti)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)通常没有。电(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)的(de)(de)(de)本质：两个相互靠近的(de)(de)(de)导(dao)体(ti)(ti)(ti)，中间(jian)(jian)夹(jia)一层(ceng)不(bu)导(dao)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)绝缘介质，这就构成了电(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器。扬州固(gu)态(tai)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)贴(tie)片

陶(tao)(tao)(tao)瓷(ci)介质电容(rong)器的绝缘体(ti)材料主要使(shi)用陶(tao)(tao)(tao)瓷(ci)。常州陶(tao)(tao)(tao)瓷(ci)电解电容(rong)品(pin)牌

电(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)容器(qi)(qi)的(de)(de)(de)寿命(ming)(ming)(ming)与电(dian)(dian)(dian)(dian)容器(qi)(qi)长期工作的(de)(de)(de)环(huan)境(jing)温(wen)(wen)(wen)度(du)有直接关(guan)系，温(wen)(wen)(wen)度(du)越高，电(dian)(dian)(dian)(dian)容器(qi)(qi)的(de)(de)(de)寿命(ming)(ming)(ming)越短(duan)。普通(tong)的(de)(de)(de)电(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)容器(qi)(qi)在环(huan)境(jing)温(wen)(wen)(wen)度(du)为90℃时(shi)已经(jing)损坏。但是现在有很(hen)(hen)多种类的(de)(de)(de)电(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)容器(qi)(qi)的(de)(de)(de)工作环(huan)境(jing)温(wen)(wen)(wen)度(du)已经(jing)很(hen)(hen)高在环(huan)境(jing)温(wen)(wen)(wen)度(du)为90℃，通(tong)过电(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)容器(qi)(qi)的(de)(de)(de)交流(liu)电(dian)(dian)(dian)(dian)流(liu)和(he)额(e)定(ding)脉冲电(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)比为0.5时(shi)，寿命(ming)(ming)(ming)仍然(ran)为10000h，但是如果温(wen)(wen)(wen)度(du)上升到95℃时(shi)，电(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)容器(qi)(qi)即已经(jing)损坏。因此，在选择(ze)电(dian)(dian)(dian)(dian)容器(qi)(qi)的(de)(de)(de)时(shi)候，应该根据具(ju)体的(de)(de)(de)环(huan)境(jing)温(wen)(wen)(wen)度(du)和(he)其(qi)它的(de)(de)(de)参数指标(biao)来选定(ding)，如果忽略了环(huan)境(jing)温(wen)(wen)(wen)度(du)对电(dian)(dian)(dian)(dian)容器(qi)(qi)寿命(ming)(ming)(ming)的(de)(de)(de)影响，那么(me)电(dian)(dian)(dian)(dian)源工作的(de)(de)(de)可靠性、稳定(ding)性将较大降低，甚至损坏设(she)备(bei)和(he)仪器(qi)(qi)。就(jiu)一(yi)般情况而言(yan)，电(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)容器(qi)(qi)工作在环(huan)境(jing)温(wen)(wen)(wen)度(du)为80℃时(shi)，一(yi)般能达到10000h寿命(ming)(ming)(ming)的(de)(de)(de)要求。常州(zhou)陶瓷电(dian)(dian)(dian)(dian)解(jie)电(dian)(dian)(dian)(dian)容品牌

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