電(dian)路(lu)(lu)(lu)工作原理分(fen)(fen)(fen)(fen)析(xi)思路(lu)(lu)(lu)說明(ming)(ming)關于(yu)這(zhe)(zhe)一(yi)電(dian)路(lu)(lu)(lu)工作原理的(de)分(fen)(fen)(fen)(fen)析(xi)思路(lu)(lu)(lu)主要說明(ming)(ming)下列幾(ji)點：（1）如果沒有(you)VD1這(zhe)(zhe)一(yi)支(zhi)路(lu)(lu)(lu)，從級錄(lu)音(yin)(yin)放(fang)大(da)(da)(da)器輸出(chu)的(de)錄(lu)音(yin)(yin)信(xin)號全部(bu)加到(dao)(dao)第二(er)級錄(lu)音(yin)(yin)放(fang)大(da)(da)(da)器中(zhong)。但是(shi)，有(you)了(le)VD1這(zhe)(zhe)一(yi)支(zhi)路(lu)(lu)(lu)之后(hou)，從級錄(lu)音(yin)(yin)放(fang)大(da)(da)(da)器輸出(chu)的(de)錄(lu)音(yin)(yin)信(xin)號有(you)可能會經過C1和(he)導通的(de)VD1流(liu)到(dao)(dao)地端，形成對(dui)錄(lu)音(yin)(yin)信(xin)號的(de)分(fen)(fen)(fen)(fen)流(liu)衰減。（2）電(dian)路(lu)(lu)(lu)分(fen)(fen)(fen)(fen)析(xi)的(de)第二(er)個關鍵(jian)是(shi)VD1這(zhe)(zhe)一(yi)支(zhi)路(lu)(lu)(lu)對(dui)級錄(lu)音(yin)(yin)放(fang)大(da)(da)(da)器輸出(chu)信(xin)號的(de)對(dui)地分(fen)(fen)(fen)(fen)流(liu)衰減的(de)具體(ti)情況。顯然，支(zhi)路(lu)(lu)(lu)中(zhong)的(de)電(dian)容(rong)(rong)C1是(shi)一(yi)只容(rong)(rong)量較大(da)(da)(da)的(de)電(dian)容(rong)(rong)（C1電(dian)路(lu)(lu)(lu)符號中(zhong)標出(chu)極性，說明(ming)(ming)C1是(shi)電(dian)解電(dian)容(rong)(rong)，而電(dian)解電(dian)容(rong)(rong)的(de)容(rong)(rong)量較大(da)(da)(da)），所以(yi)C1對(dui)錄(lu)音(yin)(yin)信(xin)號呈通路(lu)(lu)(lu)，說明(ming)(ming)這(zhe)(zhe)一(yi)支(zhi)路(lu)(lu)(lu)中(zhong)VD1是(shi)對(dui)錄(lu)音(yin)(yin)信(xin)號進行分(fen)(fen)(fen)(fen)流(liu)衰減的(de)關鍵(jian)元器件。半導體(ti)二(er)極管廠家(jia)就找成都(dou)長九電(dian)子科(ke)技有(you)限公司(si)。ESD二(er)極管廠家(jia)直銷(xiao)

從(cong)分(fen)(fen)(fen)流(liu)支路(lu)電(dian)路(lu)分(fen)(fen)(fen)析中要明(ming)白(bai)一點：從(cong)級錄(lu)(lu)(lu)(lu)音(yin)放大(da)器輸出的(de)(de)信(xin)(xin)號，如果(guo)從(cong)VD1支路(lu)分(fen)(fen)(fen)流(liu)得多，那么流(liu)入第二(er)(er)級錄(lu)(lu)(lu)(lu)音(yin)放大(da)器的(de)(de)錄(lu)(lu)(lu)(lu)音(yin)信(xin)(xin)號就小(xiao)，反之(zhi)則大(da)。VD1存在(zai)(zai)導(dao)(dao)通(tong)與(yu)截(jie)止兩種情況，在(zai)(zai)VD1截(jie)止時對(dui)錄(lu)(lu)(lu)(lu)音(yin)信(xin)(xin)號無分(fen)(fen)(fen)流(liu)作用，在(zai)(zai)導(dao)(dao)通(tong)時則對(dui)錄(lu)(lu)(lu)(lu)音(yin)信(xin)(xin)號進行(xing)分(fen)(fen)(fen)流(liu)。在(zai)(zai)VD1正極(ji)(ji)上(shang)接有(you)(you)電(dian)阻(zu)R1，它給VD1一個(ge)控制(zhi)電(dian)壓(ya)(ya)，顯然(ran)這(zhe)個(ge)電(dian)壓(ya)(ya)控制(zhi)著(zhu)VD1導(dao)(dao)通(tong)或截(jie)止。所(suo)以，R1送來的(de)(de)電(dian)壓(ya)(ya)是分(fen)(fen)(fen)析VD1導(dao)(dao)通(tong)、截(jie)止的(de)(de)關鍵所(suo)在(zai)(zai)。分(fen)(fen)(fen)析這(zhe)個(ge)電(dian)路(lu)比較大(da)的(de)(de)困難是在(zai)(zai)VD1導(dao)(dao)通(tong)后，利(li)用了二(er)(er)極(ji)(ji)管(guan)(guan)導(dao)(dao)通(tong)后其正向電(dian)阻(zu)與(yu)導(dao)(dao)通(tong)電(dian)流(liu)之(zhi)間的(de)(de)關系特性(xing)進行(xing)電(dian)路(lu)分(fen)(fen)(fen)析，即二(er)(er)極(ji)(ji)管(guan)(guan)的(de)(de)正向電(dian)流(liu)愈(yu)大(da)，其正向電(dian)阻(zu)愈(yu)小(xiao)，流(liu)過VD1的(de)(de)電(dian)流(liu)愈(yu)大(da)，其正極(ji)(ji)與(yu)負(fu)極(ji)(ji)之(zhi)間的(de)(de)電(dian)阻(zu)愈(yu)小(xiao)，反之(zhi)則大(da)。貴(gui)州二(er)(er)極(ji)(ji)管(guan)(guan)總代理(li)重慶二(er)(er)極(ji)(ji)管(guan)(guan)廠(chang)家就找成都長九(jiu)電(dian)子(zi)科技(ji)有(you)(you)限公司。

一(yi)、二(er)(er)極管(guan)(guan)簡(jian)(jian)易(yi)(yi)直(zhi)流(liu)穩(wen)壓(ya)電(dian)路(lu)及故障處理二(er)(er)極管(guan)(guan)簡(jian)(jian)易(yi)(yi)穩(wen)壓(ya)電(dian)路(lu)主要用(yong)(yong)于(yu)一(yi)些局部的直(zhi)流(liu)電(dian)壓(ya)供給電(dian)路(lu)中(zhong)，由(you)于(yu)電(dian)路(lu)簡(jian)(jian)單，成(cheng)(cheng)本低，所(suo)以應(ying)用(yong)(yong)比較廣(guang)。二(er)(er)極管(guan)(guan)簡(jian)(jian)易(yi)(yi)穩(wen)壓(ya)電(dian)路(lu)中(zhong)主要利用(yong)(yong)二(er)(er)極管(guan)(guan)的管(guan)(guan)壓(ya)降基本不變特性。二(er)(er)極管(guan)(guan)的管(guan)(guan)壓(ya)降特性：二(er)(er)極管(guan)(guan)導通后(hou)其(qi)管(guan)(guan)壓(ya)降基本不變，對(dui)(dui)硅二(er)(er)極管(guan)(guan)而言這一(yi)管(guan)(guan)壓(ya)降是(shi)(shi)0.6V左右，對(dui)(dui)鍺二(er)(er)極管(guan)(guan)而言是(shi)(shi)0.2V左右。如圖9-40所(suo)示是(shi)(shi)由(you)普通3只二(er)(er)極管(guan)(guan)構成(cheng)(cheng)的簡(jian)(jian)易(yi)(yi)直(zhi)流(liu)穩(wen)壓(ya)電(dian)路(lu)。電(dian)路(lu)中(zhong)的VD1、VD2和VD3是(shi)(shi)普通二(er)(er)極管(guan)(guan)，它(ta)們(men)串聯起來后(hou)構成(cheng)(cheng)一(yi)個簡(jian)(jian)易(yi)(yi)直(zhi)流(liu)電(dian)壓(ya)穩(wen)壓(ya)電(dian)路(lu)。

在使(shi)(shi)用二(er)(er)(er)極(ji)(ji)管(guan)(guan)時(shi)(shi)，應(ying)注(zhu)(zhu)意(yi)其(qi)(qi)封裝和(he)(he)(he)引腳(jiao)的限制，超過限制會(hui)導致二(er)(er)(er)極(ji)(ji)管(guan)(guan)無法(fa)(fa)安裝或(huo)者連接(jie)不(bu)良(liang)。在使(shi)(shi)用二(er)(er)(er)極(ji)(ji)管(guan)(guan)時(shi)(shi)，應(ying)注(zhu)(zhu)意(yi)其(qi)(qi)電(dian)(dian)路布局和(he)(he)(he)防(fang)靜(jing)電(dian)(dian)措施，避(bi)免(mian)靜(jing)電(dian)(dian)干擾和(he)(he)(he)電(dian)(dian)路噪(zao)聲影(ying)響二(er)(er)(er)極(ji)(ji)管(guan)(guan)的正常(chang)工(gong)作。在使(shi)(shi)用二(er)(er)(er)極(ji)(ji)管(guan)(guan)時(shi)(shi)，應(ying)注(zhu)(zhu)意(yi)其(qi)(qi)與其(qi)(qi)他器件(jian)的匹(pi)(pi)配(pei)和(he)(he)(he)配(pei)合，避(bi)免(mian)電(dian)(dian)路不(bu)匹(pi)(pi)配(pei)或(huo)者不(bu)兼(jian)容導致二(er)(er)(er)極(ji)(ji)管(guan)(guan)損(sun)壞或(huo)者電(dian)(dian)路無法(fa)(fa)正常(chang)工(gong)作。在使(shi)(shi)用二(er)(er)(er)極(ji)(ji)管(guan)(guan)時(shi)(shi)，應(ying)注(zhu)(zhu)意(yi)其(qi)(qi)使(shi)(shi)用場景和(he)(he)(he)應(ying)用要(yao)求(qiu)，選擇合適的二(er)(er)(er)極(ji)(ji)管(guan)(guan)型號和(he)(he)(he)參數(shu)，以滿(man)足電(dian)(dian)路的需求(qiu)和(he)(he)(he)性能要(yao)求(qiu)。在使(shi)(shi)用二(er)(er)(er)極(ji)(ji)管(guan)(guan)時(shi)(shi)，應(ying)注(zhu)(zhu)意(yi)其(qi)(qi)使(shi)(shi)用方法(fa)(fa)和(he)(he)(he)操(cao)作規(gui)范(fan)，遵循相關的安全(quan)(quan)和(he)(he)(he)操(cao)作規(gui)程，確保二(er)(er)(er)極(ji)(ji)管(guan)(guan)的安全(quan)(quan)和(he)(he)(he)可靠性。重慶工(gong)業級二(er)(er)(er)極(ji)(ji)管(guan)(guan)廠家(jia)就找成都(dou)長九電(dian)(dian)子科技有限公司。

二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)一種具有(you)單向(xiang)(xiang)導電(dian)(dian)(dian)的(de)(de)(de)二(er)(er)(er)(er)端器件，有(you)電(dian)(dian)(dian)子(zi)(zi)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)和晶體(ti)(ti)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)之分，電(dian)(dian)(dian)子(zi)(zi)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)現已很少見(jian)到，比較常見(jian)和常用(yong)的(de)(de)(de)多是(shi)晶體(ti)(ti)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)單向(xiang)(xiang)導電(dian)(dian)(dian)特性(xing)，幾乎在所有(you)的(de)(de)(de)電(dian)(dian)(dian)子(zi)(zi)電(dian)(dian)(dian)路(lu)中(zhong)，都要用(yong)到半導體(ti)(ti)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，它在許多的(de)(de)(de)電(dian)(dian)(dian)路(lu)中(zhong)起(qi)著重要的(de)(de)(de)作用(yong)，它是(shi)誕(dan)生早的(de)(de)(de)半導體(ti)(ti)器件之一，其應(ying)用(yong)也非(fei)常廣。二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)壓(ya)降(jiang)(jiang)(jiang)：硅二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)（不(bu)發(fa)(fa)(fa)光(guang)(guang)(guang)類型）正(zheng)向(xiang)(xiang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)壓(ya)降(jiang)(jiang)(jiang)0.7V，鍺管(guan)(guan)(guan)(guan)(guan)(guan)(guan)正(zheng)向(xiang)(xiang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)壓(ya)降(jiang)(jiang)(jiang)為0.3V，發(fa)(fa)(fa)光(guang)(guang)(guang)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)正(zheng)向(xiang)(xiang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)壓(ya)降(jiang)(jiang)(jiang)會隨不(bu)同發(fa)(fa)(fa)光(guang)(guang)(guang)顏(yan)色(se)而(er)不(bu)同。主要有(you)三種顏(yan)色(se)，具體(ti)(ti)壓(ya)降(jiang)(jiang)(jiang)參(can)考值(zhi)如下(xia)：紅色(se)發(fa)(fa)(fa)光(guang)(guang)(guang)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)壓(ya)降(jiang)(jiang)(jiang)為2.0--2.2V，黃色(se)發(fa)(fa)(fa)光(guang)(guang)(guang)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)壓(ya)降(jiang)(jiang)(jiang)為1.8—2.0V，綠色(se)發(fa)(fa)(fa)光(guang)(guang)(guang)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)壓(ya)降(jiang)(jiang)(jiang)為3.0—3.2V，正(zheng)常發(fa)(fa)(fa)光(guang)(guang)(guang)時(shi)的(de)(de)(de)額(e)定(ding)電(dian)(dian)(dian)流約為20mA。二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)電(dian)(dian)(dian)壓(ya)與電(dian)(dian)(dian)流不(bu)是(shi)線性(xing)關系，所以在將(jiang)不(bu)同的(de)(de)(de)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)并聯(lian)的(de)(de)(de)時(shi)候要接相適應(ying)的(de)(de)(de)電(dian)(dian)(dian)阻。成都防雷(lei)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)廠家(jia)就(jiu)找(zhao)成都長九電(dian)(dian)(dian)子(zi)(zi)科技(ji)有(you)限公司。貴(gui)州二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)總代理

四川車規(gui)二極管廠家就(jiu)找成(cheng)都長九(jiu)電子科技有限公(gong)司。ESD二極管廠家直銷(xiao)

1、正向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)性外(wai)(wai)加(jia)正向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)時(shi)(shi)，在正向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)特性的起始(shi)部分，正向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)很小(xiao)，不(bu)足以(yi)克(ke)服PN結(jie)內電(dian)(dian)(dian)(dian)(dian)(dian)(dian)場(chang)的阻擋作用(yong)，正向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)幾乎(hu)為(wei)零，這(zhe)一(yi)(yi)段稱(cheng)為(wei)死區(qu)。這(zhe)個不(bu)能使二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)導通(tong)的正向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)稱(cheng)為(wei)死區(qu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)。當正向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)大于(yu)死區(qu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)以(yi)后(hou)，PN結(jie)內電(dian)(dian)(dian)(dian)(dian)(dian)(dian)場(chang)被克(ke)服，二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)正向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)導通(tong)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)隨電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)增(zeng)大而(er)迅速(su)上升。在正常使用(yong)的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)范圍內，導通(tong)時(shi)(shi)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)的端電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)幾乎(hu)維持不(bu)變，這(zhe)個電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)稱(cheng)為(wei)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)的正向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)。2、反(fan)(fan)(fan)(fan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)性外(wai)(wai)加(jia)反(fan)(fan)(fan)(fan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)不(bu)超過(guo)一(yi)(yi)定范圍時(shi)(shi)，通(tong)過(guo)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)是少(shao)數載流(liu)(liu)子(zi)漂移運(yun)動所形成反(fan)(fan)(fan)(fan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)。由(you)于(yu)反(fan)(fan)(fan)(fan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)很小(xiao)，二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)處于(yu)截(jie)止狀(zhuang)態(tai)。這(zhe)個反(fan)(fan)(fan)(fan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)又(you)稱(cheng)為(wei)反(fan)(fan)(fan)(fan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)飽(bao)和(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)或漏電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)，二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)的反(fan)(fan)(fan)(fan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)飽(bao)和(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)受溫度(du)影響(xiang)很大。3、擊(ji)穿(chuan)外(wai)(wai)加(jia)反(fan)(fan)(fan)(fan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)超過(guo)某一(yi)(yi)數值時(shi)(shi)，反(fan)(fan)(fan)(fan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)會突然(ran)增(zeng)大，這(zhe)種現象稱(cheng)為(wei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)擊(ji)穿(chuan)。引起電(dian)(dian)(dian)(dian)(dian)(dian)(dian)擊(ji)穿(chuan)的臨界電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)稱(cheng)為(wei)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)反(fan)(fan)(fan)(fan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)擊(ji)穿(chuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)擊(ji)穿(chuan)時(shi)(shi)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)失去單向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)導電(dian)(dian)(dian)(dian)(dian)(dian)(dian)性。如果二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)沒有因電(dian)(dian)(dian)(dian)(dian)(dian)(dian)擊(ji)穿(chuan)而(er)引起過(guo)熱，則(ze)單向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)導電(dian)(dian)(dian)(dian)(dian)(dian)(dian)性不(bu)一(yi)(yi)定會被長久破壞，在撤除外(wai)(wai)加(jia)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)后(hou)，其性能仍可恢復，否則(ze)二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)就損壞了。因而(er)使用(yong)時(shi)(shi)應避免二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)外(wai)(wai)加(jia)的反(fan)(fan)(fan)(fan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)過(guo)高。ESD二(er)(er)(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)廠家直銷

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