可(ke)控硅（SCR）知識

可控硅（SCR）國際(ji)通用名(ming)稱(cheng)為(wei) Thyyistoy，中文(wen)簡稱(cheng)晶(jing)閘(zha)管。它能在高電(dian)(dian)壓(ya)、大電(dian)(dian)流條件下工作，具(ju)有 耐壓(ya)高、容量大、體積小等優點，它是大功率開關型半導體器件，廣泛應用在電(dian)(dian)力、電(dian)(dian)子線路中。

1.可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)的(de)(de)(de)(de)(de)特性(xing)。 可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)分(fen)單(dan)(dan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)、雙(shuang)(shuang)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)。單(dan)(dan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)有(you)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A、陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) K、控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) G 三個(ge)引(yin)(yin)出腳(jiao)(jiao)。雙(shuang)(shuang)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)有(you)**陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A1（T1），第二(er)(er)(er)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A2（T2）、控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) G 三個(ge)引(yin)(yin)出腳(jiao)(jiao)。 只(zhi)(zhi)有(you)當(dang)單(dan)(dan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A 與(yu)陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) K 之(zhi)間(jian)(jian)(jian)(jian)加(jia)(jia)有(you)正(zheng)(zheng)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，同(tong)時(shi)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)G 與(yu)陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)間(jian)(jian)(jian)(jian)加(jia)(jia)上(shang)(shang)所需的(de)(de)(de)(de)(de)正(zheng)(zheng)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)時(shi)，方可(ke)(ke)(ke)(ke)(ke)被觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)發(fa)(fa)導(dao)(dao)(dao)(dao)通(tong)(tong)。此(ci)(ci)(ci)時(shi) A、K 間(jian)(jian)(jian)(jian)呈低阻(zu)(zu)(zu)導(dao)(dao)(dao)(dao)通(tong)(tong)狀(zhuang)態(tai)(tai)，陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A 與(yu)陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) K 間(jian)(jian)(jian)(jian)壓(ya)(ya)(ya)降約 1V。單(dan)(dan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)導(dao)(dao)(dao)(dao)通(tong)(tong)后(hou)，控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)器 G 即(ji)使失去(qu)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，只(zhi)(zhi)要(yao)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A 和(he)(he)陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) K 之(zhi)間(jian)(jian)(jian)(jian)仍保(bao)持(chi)正(zheng)(zheng)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，單(dan)(dan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)繼續(xu)處(chu)于(yu)低阻(zu)(zu)(zu)導(dao)(dao)(dao)(dao)通(tong)(tong)狀(zhuang)態(tai)(tai)。只(zhi)(zhi)有(you)把陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A 電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)拆除或陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A、陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) K 間(jian)(jian)(jian)(jian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)性(xing)發(fa)(fa)生改(gai)變（交(jiao)流(liu)過零）時(shi)，單(dan)(dan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)才由低阻(zu)(zu)(zu)導(dao)(dao)(dao)(dao)通(tong)(tong)狀(zhuang)態(tai)(tai)轉(zhuan)(zhuan)換為(wei)(wei)高阻(zu)(zu)(zu)截(jie)止(zhi)(zhi)狀(zhuang)態(tai)(tai)。單(dan)(dan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)一(yi)(yi)(yi)旦截(jie)止(zhi)(zhi)，即(ji)使陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A 和(he)(he)陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) K 間(jian)(jian)(jian)(jian)又(you)重(zhong)新加(jia)(jia)上(shang)(shang)正(zheng)(zheng)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，仍需在(zai)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) G 和(he)(he)陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) K 間(jian)(jian)(jian)(jian)有(you)重(zhong)新加(jia)(jia)上(shang)(shang)正(zheng)(zheng)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)方可(ke)(ke)(ke)(ke)(ke)導(dao)(dao)(dao)(dao)通(tong)(tong)。單(dan)(dan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)的(de)(de)(de)(de)(de)導(dao)(dao)(dao)(dao)通(tong)(tong)與(yu)截(jie)止(zhi)(zhi)狀(zhuang)態(tai)(tai)相(xiang)當(dang)于(yu)開(kai)關的(de)(de)(de)(de)(de)閉合與(yu)斷(duan)開(kai)狀(zhuang)態(tai)(tai)，用(yong)(yong)(yong)(yong)(yong)它可(ke)(ke)(ke)(ke)(ke)制(zhi)(zhi)(zhi)(zhi)成無觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)點開(kai)關。 雙(shuang)(shuang)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)**陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A1 與(yu)第二(er)(er)(er)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A2 間(jian)(jian)(jian)(jian)，無論(lun)所加(jia)(jia)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)性(xing)是正(zheng)(zheng)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)還是反向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)，只(zhi)(zhi)要(yao)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) G 和(he)(he)**陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A1 間(jian)(jian)(jian)(jian)加(jia)(jia)有(you)正(zheng)(zheng)負極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)性(xing)不(bu)(bu)同(tong)的(de)(de)(de)(de)(de)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，就可(ke)(ke)(ke)(ke)(ke)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)發(fa)(fa)導(dao)(dao)(dao)(dao)通(tong)(tong)呈低阻(zu)(zu)(zu)狀(zhuang)態(tai)(tai)。此(ci)(ci)(ci)時(shi) A1、A2 間(jian)(jian)(jian)(jian)壓(ya)(ya)(ya)降也(ye)約為(wei)(wei) 1V。雙(shuang)(shuang)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)一(yi)(yi)(yi)旦導(dao)(dao)(dao)(dao)通(tong)(tong)，即(ji)使失去(qu)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，也(ye)能繼續(xu)保(bao)持(chi)導(dao)(dao)(dao)(dao)通(tong)(tong)狀(zhuang)態(tai)(tai)。只(zhi)(zhi)有(you)當(dang)**陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A1、第二(er)(er)(er)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A2 電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)減小，小于(yu)維(wei)持(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)或 A1、A2 間(jian)(jian)(jian)(jian)當(dang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)性(xing)改(gai)變且沒有(you)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)時(shi)，雙(shuang)(shuang)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)才截(jie)斷(duan)，此(ci)(ci)(ci)時(shi)只(zhi)(zhi)有(you)重(zhong)新加(jia)(jia)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)方可(ke)(ke)(ke)(ke)(ke)導(dao)(dao)(dao)(dao)通(tong)(tong)。 2.單(dan)(dan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)的(de)(de)(de)(de)(de)檢(jian)(jian)測(ce)(ce)(ce)(ce)。 萬(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)選(xuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu) R*1Ω 擋(dang)，用(yong)(yong)(yong)(yong)(yong)紅(hong)(hong)(hong)、黑(hei)(hei)(hei)兩(liang)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)分(fen)別(bie)測(ce)(ce)(ce)(ce)任意兩(liang)引(yin)(yin)腳(jiao)(jiao)間(jian)(jian)(jian)(jian)正(zheng)(zheng)反向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)直至找出讀(du)數(shu)為(wei)(wei)數(shu)十(shi)(shi)歐(ou)(ou)姆(mu)(mu)(mu)的(de)(de)(de)(de)(de)一(yi)(yi)(yi)對引(yin)(yin)腳(jiao)(jiao)，此(ci)(ci)(ci)時(shi)黑(hei)(hei)(hei)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)的(de)(de)(de)(de)(de)引(yin)(yin)腳(jiao)(jiao)為(wei)(wei)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) G，紅(hong)(hong)(hong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)的(de)(de)(de)(de)(de)引(yin)(yin)腳(jiao)(jiao)為(wei)(wei)陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)K，另(ling)一(yi)(yi)(yi)空腳(jiao)(jiao)為(wei)(wei)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A。此(ci)(ci)(ci)時(shi)將(jiang)黑(hei)(hei)(hei)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)接(jie)(jie)已(yi)判斷(duan)了的(de)(de)(de)(de)(de)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A，紅(hong)(hong)(hong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)仍接(jie)(jie)陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)K。此(ci)(ci)(ci)時(shi)萬(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)指(zhi)針(zhen)應(ying)(ying)(ying)不(bu)(bu)動。用(yong)(yong)(yong)(yong)(yong)短(duan)線(xian)(xian)(xian)瞬間(jian)(jian)(jian)(jian)短(duan)接(jie)(jie)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A 和(he)(he)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) G，此(ci)(ci)(ci)時(shi)萬(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)擋(dang)指(zhi)針(zhen)應(ying)(ying)(ying)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)右(you)偏轉(zhuan)(zhuan)，阻(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)讀(du)數(shu)為(wei)(wei) 10 歐(ou)(ou)姆(mu)(mu)(mu)左(zuo)(zuo)右(you)。如陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A 接(jie)(jie)黑(hei)(hei)(hei)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)，陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)K 接(jie)(jie)紅(hong)(hong)(hong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)時(shi)，萬(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)指(zhi)針(zhen)發(fa)(fa)生偏轉(zhuan)(zhuan)，說(shuo)明(ming)(ming)該(gai)(gai)單(dan)(dan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)已(yi)擊穿損壞。 3.雙(shuang)(shuang)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)的(de)(de)(de)(de)(de)檢(jian)(jian)測(ce)(ce)(ce)(ce)。 用(yong)(yong)(yong)(yong)(yong)萬(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu) R*1Ω 擋(dang)，用(yong)(yong)(yong)(yong)(yong)紅(hong)(hong)(hong)、黑(hei)(hei)(hei)兩(liang)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)分(fen)別(bie)測(ce)(ce)(ce)(ce)任意兩(liang)引(yin)(yin)腳(jiao)(jiao)間(jian)(jian)(jian)(jian)正(zheng)(zheng)反向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)，結果其中(zhong)(zhong)兩(liang)組(zu)讀(du)數(shu)為(wei)(wei)無窮(qiong)大(da)。若一(yi)(yi)(yi)組(zu)為(wei)(wei)數(shu)十(shi)(shi)歐(ou)(ou)姆(mu)(mu)(mu)時(shi)，該(gai)(gai)組(zu)紅(hong)(hong)(hong)、黑(hei)(hei)(hei)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)所接(jie)(jie)的(de)(de)(de)(de)(de)兩(liang)引(yin)(yin)腳(jiao)(jiao)為(wei)(wei)**陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A1 和(he)(he)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) G，另(ling)一(yi)(yi)(yi)空腳(jiao)(jiao)即(ji)為(wei)(wei)第二(er)(er)(er)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A2。確定A1、G 極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)后(hou)，再(zai)(zai)仔細測(ce)(ce)(ce)(ce)量 A1、G 極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)間(jian)(jian)(jian)(jian)正(zheng)(zheng)、反向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)，讀(du)數(shu)相(xiang)對較小的(de)(de)(de)(de)(de)那次測(ce)(ce)(ce)(ce)量的(de)(de)(de)(de)(de)黑(hei)(hei)(hei)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)所接(jie)(jie)的(de)(de)(de)(de)(de)引(yin)(yin)腳(jiao)(jiao)為(wei)(wei)**陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A1，紅(hong)(hong)(hong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)所接(jie)(jie)引(yin)(yin)腳(jiao)(jiao)為(wei)(wei)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) G。將(jiang)黑(hei)(hei)(hei)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)接(jie)(jie)已(yi)確定的(de)(de)(de)(de)(de)第二(er)(er)(er)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A2，紅(hong)(hong)(hong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)接(jie)(jie)**陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A1，此(ci)(ci)(ci)時(shi)萬(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)指(zhi)針(zhen)不(bu)(bu)應(ying)(ying)(ying)發(fa)(fa)生偏轉(zhuan)(zhuan)，阻(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)為(wei)(wei)無窮(qiong)大(da)。再(zai)(zai)用(yong)(yong)(yong)(yong)(yong)短(duan)接(jie)(jie)線(xian)(xian)(xian)將(jiang) A2、G 極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)瞬間(jian)(jian)(jian)(jian)短(duan)接(jie)(jie)，給 G 極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)加(jia)(jia)上(shang)(shang)正(zheng)(zheng)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，A2、A1 間(jian)(jian)(jian)(jian)阻(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)約 10 歐(ou)(ou)姆(mu)(mu)(mu)左(zuo)(zuo)右(you)。隨后(hou)斷(duan)開(kai) A2、G 間(jian)(jian)(jian)(jian)短(duan)接(jie)(jie)線(xian)(xian)(xian)，萬(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)讀(du)數(shu)應(ying)(ying)(ying)保(bao)持(chi) 10 歐(ou)(ou)姆(mu)(mu)(mu)左(zuo)(zuo)右(you)。互(hu)換紅(hong)(hong)(hong)、黑(hei)(hei)(hei)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)接(jie)(jie)線(xian)(xian)(xian)，紅(hong)(hong)(hong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)接(jie)(jie)第二(er)(er)(er)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A2，黑(hei)(hei)(hei)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)接(jie)(jie)**陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) A1。同(tong)樣萬(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)指(zhi)針(zhen)應(ying)(ying)(ying)不(bu)(bu)發(fa)(fa)生偏轉(zhuan)(zhuan)，阻(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)為(wei)(wei)無窮(qiong)大(da)。用(yong)(yong)(yong)(yong)(yong)短(duan)接(jie)(jie)線(xian)(xian)(xian)將(jiang) A2、G 極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)間(jian)(jian)(jian)(jian)再(zai)(zai)次瞬間(jian)(jian)(jian)(jian)短(duan)接(jie)(jie)，給 G 極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)加(jia)(jia)上(shang)(shang)負的(de)(de)(de)(de)(de)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，A1、A2 間(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)阻(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)也(ye)是 10 歐(ou)(ou)姆(mu)(mu)(mu)左(zuo)(zuo)右(you)。隨后(hou)斷(duan)開(kai) A2、G 極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)間(jian)(jian)(jian)(jian)短(duan)接(jie)(jie)線(xian)(xian)(xian)，萬(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)讀(du)數(shu)應(ying)(ying)(ying)不(bu)(bu)變，保(bao)持(chi)在(zai) 10歐(ou)(ou)姆(mu)(mu)(mu)左(zuo)(zuo)右(you)。符合以上(shang)(shang)規律，說(shuo)明(ming)(ming)被測(ce)(ce)(ce)(ce)雙(shuang)(shuang)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)未損壞且三個(ge)引(yin)(yin)腳(jiao)(jiao)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)性(xing)判斷(duan)正(zheng)(zheng)確。 檢(jian)(jian)測(ce)(ce)(ce)(ce)較大(da)功率可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui)時(shi)，需要(yao)在(zai)萬(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)黑(hei)(hei)(hei)筆(bi)(bi)中(zhong)(zhong)串接(jie)(jie)一(yi)(yi)(yi)節 1.5V 干電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)，以提高觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)。 晶閘管(guan)(可(ke)(ke)(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)硅(gui)(gui)(gui)(gui)(gui)(gui)(gui)(gui))的(de)(de)(de)(de)(de)管(guan)腳(jiao)(jiao)判別(bie) 晶閘管(guan)管(guan)腳(jiao)(jiao)的(de)(de)(de)(de)(de)判別(bie)可(ke)(ke)(ke)(ke)(ke)用(yong)(yong)(yong)(yong)(yong)下(xia)述方法：先用(yong)(yong)(yong)(yong)(yong)萬(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao) R*1K 擋(dang)測(ce)(ce)(ce)(ce)量三腳(jiao)(jiao)之(zhi)間(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)阻(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)，阻(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)小的(de)(de)(de)(de)(de)兩(liang)腳(jiao)(jiao)分(fen)別(bie)為(wei)(wei)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)，所剩(sheng)的(de)(de)(de)(de)(de)一(yi)(yi)(yi)腳(jiao)(jiao)為(wei)(wei)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)。再(zai)(zai)將(jiang)萬(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)置于(yu) R*10K 擋(dang)，用(yong)(yong)(yong)(yong)(yong)手指(zhi)捏住陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)另(ling)一(yi)(yi)(yi)腳(jiao)(jiao)，且不(bu)(bu)讓兩(liang)腳(jiao)(jiao)接(jie)(jie)觸(chu)(chu)(chu)(chu)(chu)(chu)(chu)，黑(hei)(hei)(hei)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)接(jie)(jie)陽(yang)(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)，紅(hong)(hong)(hong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)接(jie)(jie)剩(sheng)下(xia)的(de)(de)(de)(de)(de)一(yi)(yi)(yi)腳(jiao)(jiao)，如表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)針(zhen)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)右(you)擺(bai)動，說(shuo)明(ming)(ming)紅(hong)(hong)(hong)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)筆(bi)(bi)所接(jie)(jie)為(wei)(wei)陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)，不(bu)(bu)擺(bai)動則為(wei)(wei)控(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) 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