额(E)定(Ding)电(Dian)压(Ya)

铝(Lu)电(Dian)解(Jie)电(Dian)容(Rong)本(Ben)体(Ti)上(Shang)标(Biao)有(You)的(De)容(Rong)量(Liang)和(He)耐(Nai)压(Ya)，(?)这(Zhe)两(Liang)个(Ge)参(Can)数(Shu)是(Shi)很(Hen)重(Zhong)要(Yao)，(?)是(Shi)选(Xuan)用(Yong)电(Dian)容(Rong)最(Zui)基(Ji)本(Ben)的(De)内(Nei)容(Rong)。(?)

在(Zai)实(Shi)际(Ji)电(Dian)容(Rong)选(Xuan)型(Xing)中(Zhong)，(?)对(Dui)电(Dian)流(Liu)变(Bian)化(Hua)节(Jie)奏(Zou)快(Kuai)的(De)地(Di)方(Fang)要(Yao)用(Yong)容(Rong)量(Liang)较(Jiao)大(Da)的(De)电(Dian)容(Rong)，(?)但(Dan)并(Bing)非(Fei)容(Rong)量(Liang)越(Yue)大(Da)越(Yue)好(Hao)，(?)首(Shou)先(Xian)，(?)容(Rong)量(Liang)增(Zeng)大(Da)，(?)成(Cheng)本(Ben)和(He)体(Ti)积(Ji)可(Ke)能(Neng)会(Hui)上(Shang)升(Sheng)，(?)另(Ling)外(Wai)，(?)电(Dian)容(Rong)越(Yue)大(Da)充(Chong)电(Dian)电(Dian)流(Liu)就(Jiu)越(Yue)大(Da)，(?)充(Chong)电(Dian)时(Shi)间(Jian)也(Ye)会(Hui)越(Yue)长(Chang)。(?)这(Zhe)些(Xie)都(Du)是(Shi)实(Shi)际(Ji)应(Ying)用(Yong)选(Xuan)型(Xing)中(Zhong)要(Yao)考(Kao)虑(Lu)的(De)。(?)

额(E)定(Ding)工(Gong)作(Zuo)电(Dian)压(Ya)：(?)在(Zai)规(Gui)定(Ding)的(De)工(Gong)作(Zuo)温(Wen)度(Du)范(Fan)围(Wei)内(Nei)，(?)电(Dian)容(Rong)长(Chang)期(Qi)可(Ke)靠(Kao)地(Di)工(Gong)作(Zuo)，(?)它(Ta)能(Neng)承(Cheng)受(Shou)的(De)最(Zui)大(Da)直(Zhi)流(Liu)电(Dian)压(Ya)。(?)在(Zai)交(Jiao)流(Liu)电(Dian)路(Lu)中(Zhong)，(?)要(Yao)注(Zhu)意(Yi)所(Suo)加(Jia)的(De)交(Jiao)流(Liu)电(Dian)压(Ya)最(Zui)大(Da)值(Zhi)不(Bu)能(Neng)超(Chao)过(Guo)电(Dian)容(Rong)的(De)直(Zhi)流(Liu)工(Gong)作(Zuo)电(Dian)压(Ya)值(Zhi)。(?)常(Chang)用(Yong)的(De)固(Gu)定(Ding)电(Dian)容(Rong)工(Gong)作(Zuo)电(Dian)压(Ya)有(You)6.3V、(?)10V、(?)16V、(?)25V、(?)50V、(?)63V、(?)100V、(?)200V、(?)250V、(?)400V、(?)450V、(?)475V、(?)500V、(?)600V、(?)630V。(?)电(Dian)容(Rong)在(Zai)电(Dian)路(Lu)中(Zhong)实(Shi)际(Ji)要(Yao)承(Cheng)受(Shou)的(De)电(Dian)压(Ya)不(Bu)能(Neng)超(Chao)过(Guo)它(Ta)的(De)耐(Nai)压(Ya)值(Zhi)。(?)

在(Zai)滤(Lu)波(Bo)电(Dian)路(Lu)中(Zhong)，(?)电(Dian)容(Rong)的(De)耐(Nai)压(Ya)值(Zhi)不(Bu)要(Yao)小(Xiao)于(Yu)交(Jiao)流(Liu)有(You)效(Xiao)值(Zhi)的(De)1.42倍(Bei)。(?)另(Ling)外(Wai)还(Huan)要(Yao)注(Zhu)意(Yi)的(De)一(Yi)个(Ge)问(Wen)题(Ti)是(Shi)工(Gong)作(Zuo)电(Dian)压(Ya)裕(Yu)量(Liang)，(?)一(Yi)般(Ban)来(Lai)说(Shuo)要(Yao)在(Zai)15%以(Yi)上(Shang)。(?)

让(Rang)电(Dian)容(Rong)器(Qi)的(De)额(E)定(Ding)电(Dian)压(Ya)具(Ju)有(You)较(Jiao)多(Duo)的(De)余(Yu)裕(Yu)，(?)能(Neng)降(Jiang)低(Di)内(Nei)阻(Zu)、(?)降(Jiang)低(Di)漏(Lou)电(Dian)流(Liu)、(?)降(Jiang)低(Di)损(Sun)失(Shi)角(Jiao)、(?)增(Zeng)加(Jia)寿(Shou)命(Ming)。(?)虽(Sui)然(Ran)说(Shuo)，(?) 48V的(De)工(Gong)作(Zuo)电(Dian)压(Ya)使(Shi)用(Yong)50V的(De)铝(Lu)电(Dian)解(Jie)电(Dian)容(Rong)短(Duan)时(Shi)间(Jian)不(Bu)会(Hui)出(Chu)现(Xian)问(Wen)题(Ti)，(?)但(Dan)使(Shi)用(Yong)久(Jiu)了(Liao)，(?)寿(Shou)命(Ming)就(Jiu)有(You)可(Ke)能(Neng)降(Jiang)低(Di)。(?)

介(Jie)质(Zhi)损(Sun)耗(Hao)

电(Dian)容(Rong)器(Qi)在(Zai)电(Dian)场(Chang)作(Zuo)用(Yong)下(Xia)消(Xiao)耗(Hao)的(De)能(Neng)量(Liang)，(?)通(Tong)常(Chang)用(Yong)损(Sun)耗(Hao)功(Gong)率(Lu)和(He)电(Dian)容(Rong)器(Qi)的(De)无(Wu)功(Gong)功(Gong)率(Lu)之(Zhi)比(Bi)，(?)即(Ji)损(Sun)耗(Hao)角(Jiao)的(De)正(Zheng)切(Qie)值(Zhi)表(Biao)示(Shi)（(?)在(Zai)电(Dian)容(Rong)器(Qi)的(De)等(Deng)效(Xiao)电(Dian)路(Lu)中(Zhong)，(?)串(Chuan)联(Lian)等(Deng)效(Xiao)电(Dian)阻(Zu)ESR 同(Tong)容(Rong)抗(Kang) 1/ω(?)C 之(Zhi)比(Bi)称(Cheng)之(Zhi)为(Wei) Tan δ(?)，(?)这(Zhe)里(Li)的(De) ESR 是(Shi)在(Zai) 120Hz 下(Xia)计(Ji)算(Suan)获(Huo)得(De)的(De)值(Zhi)。(?)显(Xian)然(Ran)，(?)Tan δ(?)随(Sui)着(Zhuo)测(Ce)量(Liang)频(Pin)率(Lu)的(De)增(Zeng)加(Jia)而(?)变(Bian)大(Da)，(?)随(Sui)测(Ce)量(Liang)温(Wen)度(Du)的(De)下(Xia)降(Jiang)而(?)增(Zeng)大(Da)）(?)。(?)损(Sun)耗(Hao)角(Jiao)越(Yue)大(Da)，(?)电(Dian)容(Rong)器(Qi)的(De)损(Sun)耗(Hao)越(Yue)大(Da)，(?)损(Sun)耗(Hao)角(Jiao)大(Da)的(De)电(Dian)容(Rong)不(Bu)适(Shi)于(Yu)高(Gao)频(Pin)情(Qing)况(Kuang)下(Xia)工(Gong)作(Zuo)。(?)散(San)逸(Yi)因(Yin)数(Shu)dissipationfactor(DF)存(Cun)在(Zai)于(Yu)所(Suo)有(You)电(Dian)容(Rong)器(Qi)中(Zhong)，(?)有(You)时(Shi)DF值(Zhi)会(Hui)以(Yi)损(Sun)失(Shi)角(Jiao)tanδ(?)表(Biao)示(Shi)。(?)此(Ci)参(Can)数(Shu)愈(Yu)低(Di)愈(Yu)好(Hao)。(?)但(Dan)铝(Lu)电(Dian)解(Jie)电(Dian)容(Rong)此(Ci)参(Can)数(Shu)比(Bi)较(Jiao)高(Gao)。(?)

DF值(Zhi)是(Shi)高(Gao)还(Huan)是(Shi)低(Di)，(?)就(Jiu)同(Tong)一(Yi)品(Pin)牌(Pai)、(?)同(Tong)一(Yi)系(Xi)列(Lie)的(De)电(Dian)容(Rong)器(Qi)来(Lai)说(Shuo)，(?)与(Yu)温(Wen)度(Du)、(?)容(Rong)量(Liang)、(?)电(Dian)压(Ya)、(?)频(Pin)率(Lu)…(?)…(?)都(Du)有(You)关(Guan)系(Xi)；(?)当(Dang)容(Rong)量(Liang)相(Xiang)同(Tong)时(Shi)，(?)耐(Nai)压(Ya)愈(Yu)高(Gao)的(De)DF值(Zhi)就(Jiu)愈(Yu)低(Di)。(?)此(Ci)外(Wai)温(Wen)度(Du)愈(Yu)高(Gao)DF值(Zhi)愈(Yu)高(Gao)，(?)频(Pin)率(Lu)愈(Yu)高(Gao)DF值(Zhi)也(Ye)会(Hui)愈(Yu)高(Gao)。(?)

外(Wai)型(Xing)尺(Chi)寸(Cun)

外(Wai)型(Xing)尺(Chi)寸(Cun)与(Yu)重(Zhong)量(Liang)及(Ji)接(Jie)脚(Jiao)型(Xing)态(Tai)相(Xiang)关(Guan)。(?)single ended是(Shi)径(Jing)向(Xiang)引(Yin)线(Xian)式(Shi)，(?)screw是(Shi)锁(Suo)螺(Luo)丝(Si)式(Shi)，(?)另(Ling)外(Wai)还(Huan)有(You)贴(Tie)片(Pian)铝(Lu)电(Dian)解(Jie)电(Dian)容(Rong)等(Deng)。(?)至(Zhi)於(Yu)重(Zhong)量(Liang)，(?)同(Tong)容(Rong)量(Liang)同(Tong)耐(Nai)压(Ya)，(?)但(Dan)品(Pin)牌(Pai)不(Bu)同(Tong)的(De)两(Liang)个(Ge)电(Dian)容(Rong)做(Zuo)比(Bi)较(Jiao)，(?)重(Zhong)量(Liang)一(Yi)定(Ding)不(Bu)同(Tong)；(?)而(?)外(Wai)型(Xing)尺(Chi)寸(Cun)更(Geng)与(Yu)外(Wai)壳(Ke)规(Gui)划(Hua)有(You)关(Guan)。(?)一(Yi)般(Ban)来(Lai)说(Shuo)，(?)直(Zhi)径(Jing)相(Xiang)同(Tong)、(?)容(Rong)量(Liang)相(Xiang)同(Tong)的(De)电(Dian)容(Rong)，(?)高(Gao)度(Du)低(Di)的(De)可(Ke)以(Yi)代(Dai)用(Yong)高(Gao)度(Du)大(Da)的(De)电(Dian)容(Rong)，(?)但(Dan)是(Shi)长(Chang)度(Du)高(Gao)的(De)替(Ti)代(Dai)低(Di)的(De)电(Dian)容(Rong)时(Shi)就(Jiu)要(Yao)考(Kao)虑(Lu)机(Ji)构(Gou)干(Gan)涉(She)问(Wen)题(Ti)。(?)
广(Guang)东(Dong)和(He)大(Da)电(Dian)子(Zi)有(You)限(Xian)公(Gong)司(Si)