二(er)極(ji)管(guan)(guan)功(gong)(gong)率器(qi)件(jian)具(ju)(ju)(ju)有(you)(you)高的(de)輸入阻抗，這(zhe)意(yi)味著它(ta)們(men)(men)在(zai)(zai)正常工作條件(jian)下(xia)不容易(yi)產(chan)生漏電(dian)流。這(zhe)使(shi)得二(er)極(ji)管(guan)(guan)功(gong)(gong)率器(qi)件(jian)在(zai)(zai)電(dian)源管(guan)(guan)理系(xi)統(tong)中具(ju)(ju)(ju)有(you)(you)優(you)勢，因(yin)為它(ta)們(men)(men)可(ke)以更有(you)(you)效地(di)將(jiang)電(dian)能(neng)(neng)(neng)(neng)(neng)從(cong)電(dian)源傳輸到負載，從(cong)而(er)降低(di)能(neng)(neng)(neng)(neng)(neng)量損失(shi)。二(er)極(ji)管(guan)(guan)功(gong)(gong)率器(qi)件(jian)具(ju)(ju)(ju)有(you)(you)快速的(de)開(kai)關(guan)速度，這(zhe)意(yi)味著它(ta)們(men)(men)可(ke)以在(zai)(zai)很(hen)短的(de)時間內將(jiang)電(dian)流從(cong)一個(ge)狀態(tai)切換到另(ling)一個(ge)狀態(tai)。這(zhe)種快速開(kai)關(guan)特(te)性有(you)(you)助于減(jian)少能(neng)(neng)(neng)(neng)(neng)量損耗，因(yin)為設(she)(she)備不需要在(zai)(zai)開(kai)關(guan)過(guo)程中消耗過(guo)多的(de)能(neng)(neng)(neng)(neng)(neng)量。二(er)極(ji)管(guan)(guan)功(gong)(gong)率器(qi)件(jian)具(ju)(ju)(ju)有(you)(you)低(di)的(de)導(dao)通(tong)壓降，這(zhe)意(yi)味著它(ta)們(men)(men)在(zai)(zai)導(dao)通(tong)狀態(tai)下(xia)產(chan)生的(de)電(dian)壓降較低(di)。這(zhe)有(you)(you)助于減(jian)少從(cong)電(dian)源到負載的(de)能(neng)(neng)(neng)(neng)(neng)量傳輸過(guo)程中的(de)損失(shi)，從(cong)而(er)提高設(she)(she)備的(de)能(neng)(neng)(neng)(neng)(neng)效。晶閘管(guan)(guan)功(gong)(gong)率器(qi)件(jian)具(ju)(ju)(ju)有(you)(you)快速開(kai)關(guan)速度和高效能(neng)(neng)(neng)(neng)(neng)轉(zhuan)換特(te)性，能(neng)(neng)(neng)(neng)(neng)夠提供穩定的(de)電(dian)力(li)輸出。鄭州CypressIGBT功(gong)(gong)率器(qi)件(jian)

三(san)(san)極(ji)管功(gong)(gong)率(lv)(lv)器(qi)(qi)件(jian)(jian)的(de)(de)(de)(de)(de)(de)輸(shu)(shu)出(chu)(chu)阻(zu)抗主要(yao)(yao)受以下(xia)(xia)幾(ji)個因(yin)素影(ying)響：1.負(fu)載(zai)(zai)類(lei)型：不同(tong)(tong)類(lei)型的(de)(de)(de)(de)(de)(de)負(fu)載(zai)(zai)對(dui)輸(shu)(shu)出(chu)(chu)阻(zu)抗有(you)(you)(you)不同(tong)(tong)的(de)(de)(de)(de)(de)(de)要(yao)(yao)求(qiu)。例(li)如(ru)，對(dui)于(yu)直流負(fu)載(zai)(zai)（如(ru)電池），輸(shu)(shu)出(chu)(chu)阻(zu)抗應盡可(ke)能高(gao)(gao)；而對(dui)于(yu)交流負(fu)載(zai)(zai)（如(ru)電動(dong)機），輸(shu)(shu)出(chu)(chu)阻(zu)抗應盡可(ke)能低。因(yin)此，在選擇三(san)(san)極(ji)管功(gong)(gong)率(lv)(lv)器(qi)(qi)件(jian)(jian)時，需(xu)(xu)(xu)要(yao)(yao)根據(ju)負(fu)載(zai)(zai)類(lei)型選擇合適的(de)(de)(de)(de)(de)(de)型號。2.工(gong)(gong)(gong)作(zuo)模(mo)(mo)式：三(san)(san)極(ji)管功(gong)(gong)率(lv)(lv)器(qi)(qi)件(jian)(jian)的(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)作(zuo)模(mo)(mo)式包括放大、開關和線(xian)性(xing)等。不同(tong)(tong)模(mo)(mo)式下(xia)(xia)的(de)(de)(de)(de)(de)(de)輸(shu)(shu)出(chu)(chu)阻(zu)抗有(you)(you)(you)所(suo)不同(tong)(tong)。一(yi)(yi)般來(lai)說，放大模(mo)(mo)式下(xia)(xia)的(de)(de)(de)(de)(de)(de)輸(shu)(shu)出(chu)(chu)阻(zu)抗較低；而開關模(mo)(mo)式下(xia)(xia)的(de)(de)(de)(de)(de)(de)輸(shu)(shu)出(chu)(chu)阻(zu)抗較高(gao)(gao)。因(yin)此，在實際應用(yong)中，需(xu)(xu)(xu)要(yao)(yao)根據(ju)工(gong)(gong)(gong)作(zuo)模(mo)(mo)式選擇合適的(de)(de)(de)(de)(de)(de)三(san)(san)極(ji)管功(gong)(gong)率(lv)(lv)器(qi)(qi)件(jian)(jian)。3.溫(wen)(wen)度(du)：溫(wen)(wen)度(du)對(dui)三(san)(san)極(ji)管功(gong)(gong)率(lv)(lv)器(qi)(qi)件(jian)(jian)的(de)(de)(de)(de)(de)(de)輸(shu)(shu)出(chu)(chu)阻(zu)抗也有(you)(you)(you)一(yi)(yi)定的(de)(de)(de)(de)(de)(de)影(ying)響。隨(sui)著溫(wen)(wen)度(du)的(de)(de)(de)(de)(de)(de)升(sheng)高(gao)(gao)，材料的(de)(de)(de)(de)(de)(de)導(dao)電性(xing)能會發(fa)生變化(hua)，從(cong)而導(dao)致輸(shu)(shu)出(chu)(chu)阻(zu)抗的(de)(de)(de)(de)(de)(de)變化(hua)。因(yin)此，在實際應用(yong)中，需(xu)(xu)(xu)要(yao)(yao)考慮溫(wen)(wen)度(du)對(dui)輸(shu)(shu)出(chu)(chu)阻(zu)抗的(de)(de)(de)(de)(de)(de)影(ying)響。福建(jian)STIGBT功(gong)(gong)率(lv)(lv)器(qi)(qi)件(jian)(jian)IGBT功(gong)(gong)率(lv)(lv)器(qi)(qi)件(jian)(jian)是一(yi)(yi)種高(gao)(gao)性(xing)能的(de)(de)(de)(de)(de)(de)半導(dao)體器(qi)(qi)件(jian)(jian)，具有(you)(you)(you)高(gao)(gao)電壓和高(gao)(gao)電流承受能力。

IGBT功率(lv)器(qi)(qi)件(jian)(jian)的(de)(de)(de)(de)(de)(de)額(e)定(ding)電(dian)(dian)(dian)(dian)壓(ya)(ya)是(shi)指(zhi)(zhi)器(qi)(qi)件(jian)(jian)能(neng)夠(gou)承(cheng)受的(de)(de)(de)(de)(de)(de)較(jiao)大(da)工(gong)(gong)(gong)作電(dian)(dian)(dian)(dian)壓(ya)(ya)。在選(xuan)擇額(e)定(ding)電(dian)(dian)(dian)(dian)壓(ya)(ya)時(shi)，需(xu)要(yao)(yao)考(kao)慮(lv)系(xi)統(tong)的(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)作電(dian)(dian)(dian)(dian)壓(ya)(ya)范圍以及電(dian)(dian)(dian)(dian)壓(ya)(ya)應(ying)(ying)力(li)(li)。一般來說，額(e)定(ding)電(dian)(dian)(dian)(dian)壓(ya)(ya)應(ying)(ying)大(da)于系(xi)統(tong)的(de)(de)(de)(de)(de)(de)較(jiao)高工(gong)(gong)(gong)作電(dian)(dian)(dian)(dian)壓(ya)(ya)，以確保器(qi)(qi)件(jian)(jian)在正常工(gong)(gong)(gong)作范圍內。此(ci)外，還需(xu)要(yao)(yao)考(kao)慮(lv)電(dian)(dian)(dian)(dian)壓(ya)(ya)應(ying)(ying)力(li)(li)，即在開關(guan)過(guo)程(cheng)中產生(sheng)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)峰值(zhi)。電(dian)(dian)(dian)(dian)壓(ya)(ya)應(ying)(ying)力(li)(li)過(guo)大(da)會(hui)(hui)導致器(qi)(qi)件(jian)(jian)擊穿(chuan)或(huo)損壞(huai)，因(yin)此(ci)需(xu)要(yao)(yao)根據(ju)系(xi)統(tong)的(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)作條(tiao)件(jian)(jian)和開關(guan)頻率(lv)來選(xuan)擇合(he)適(shi)的(de)(de)(de)(de)(de)(de)額(e)定(ding)電(dian)(dian)(dian)(dian)壓(ya)(ya)。IGBT功率(lv)器(qi)(qi)件(jian)(jian)的(de)(de)(de)(de)(de)(de)額(e)定(ding)電(dian)(dian)(dian)(dian)流(liu)是(shi)指(zhi)(zhi)器(qi)(qi)件(jian)(jian)能(neng)夠(gou)承(cheng)受的(de)(de)(de)(de)(de)(de)較(jiao)大(da)工(gong)(gong)(gong)作電(dian)(dian)(dian)(dian)流(liu)。在選(xuan)擇額(e)定(ding)電(dian)(dian)(dian)(dian)流(liu)時(shi)，需(xu)要(yao)(yao)考(kao)慮(lv)系(xi)統(tong)的(de)(de)(de)(de)(de)(de)負載電(dian)(dian)(dian)(dian)流(liu)以及電(dian)(dian)(dian)(dian)流(liu)應(ying)(ying)力(li)(li)。負載電(dian)(dian)(dian)(dian)流(liu)是(shi)指(zhi)(zhi)系(xi)統(tong)中通過(guo)器(qi)(qi)件(jian)(jian)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)流(liu)，需(xu)要(yao)(yao)根據(ju)系(xi)統(tong)的(de)(de)(de)(de)(de)(de)設計要(yao)(yao)求(qiu)和負載特性來確定(ding)。電(dian)(dian)(dian)(dian)流(liu)應(ying)(ying)力(li)(li)是(shi)指(zhi)(zhi)在開關(guan)過(guo)程(cheng)中產生(sheng)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)流(liu)峰值(zhi)。電(dian)(dian)(dian)(dian)流(liu)應(ying)(ying)力(li)(li)過(guo)大(da)會(hui)(hui)導致器(qi)(qi)件(jian)(jian)過(guo)熱或(huo)損壞(huai)，因(yin)此(ci)需(xu)要(yao)(yao)根據(ju)系(xi)統(tong)的(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)作條(tiao)件(jian)(jian)和開關(guan)頻率(lv)來選(xuan)擇合(he)適(shi)的(de)(de)(de)(de)(de)(de)額(e)定(ding)電(dian)(dian)(dian)(dian)流(liu)。

晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)功率器(qi)(qi)件(jian)主(zhu)要(yao)(yao)由三(san)(san)個(ge)(ge)部分(fen)組成：晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)主(zhu)體、門極(ji)(ji)驅動電(dian)(dian)(dian)路(lu)和(he)(he)散(san)(san)(san)熱(re)器(qi)(qi)。1.晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)主(zhu)體：晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)主(zhu)體主(zhu)要(yao)(yao)由三(san)(san)個(ge)(ge)PN結構組成，即發(fa)射極(ji)(ji)、基極(ji)(ji)和(he)(he)集電(dian)(dian)(dian)極(ji)(ji)。在正(zheng)常(chang)(chang)工作狀(zhuang)態下，晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)的(de)(de)陽(yang)極(ji)(ji)與陰極(ji)(ji)之(zhi)間的(de)(de)電(dian)(dian)(dian)壓(ya)為零，此時(shi)晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)處于關(guan)(guan)閉(bi)狀(zhuang)態；當施加(jia)正(zheng)向電(dian)(dian)(dian)壓(ya)時(shi)，晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)的(de)(de)陽(yang)極(ji)(ji)與陰極(ji)(ji)之(zhi)間的(de)(de)電(dian)(dian)(dian)壓(ya)逐漸(jian)增大(da)，當電(dian)(dian)(dian)壓(ya)達到一(yi)定(ding)值時(shi)，晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)突然導(dao)(dao)通(tong)(tong)，電(dian)(dian)(dian)流迅(xun)速增大(da)；當電(dian)(dian)(dian)壓(ya)減(jian)小到一(yi)定(ding)值時(shi)，晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)關(guan)(guan)閉(bi)，電(dian)(dian)(dian)流迅(xun)速減(jian)小。這種特(te)性(xing)使得晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)在電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)子系統中具有很好的(de)(de)導(dao)(dao)通(tong)(tong)和(he)(he)關(guan)(guan)斷性(xing)能。2.門極(ji)(ji)驅動電(dian)(dian)(dian)路(lu)：門極(ji)(ji)驅動電(dian)(dian)(dian)路(lu)主(zhu)要(yao)(yao)由一(yi)個(ge)(ge)脈(mo)沖發(fa)生(sheng)器(qi)(qi)和(he)(he)一(yi)個(ge)(ge)放(fang)大(da)電(dian)(dian)(dian)路(lu)組成。脈(mo)沖發(fa)生(sheng)器(qi)(qi)負(fu)責(ze)產生(sheng)一(yi)個(ge)(ge)周期(qi)性(xing)的(de)(de)脈(mo)沖信號(hao)，該信號(hao)的(de)(de)頻率與晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)的(de)(de)工作頻率相匹配(pei)；放(fang)大(da)電(dian)(dian)(dian)路(lu)則(ze)負(fu)責(ze)將(jiang)脈(mo)沖信號(hao)放(fang)大(da)到足夠(gou)高(gao)的(de)(de)幅度，以便(bian)能夠(gou)驅動晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)導(dao)(dao)通(tong)(tong)和(he)(he)關(guan)(guan)斷。3.散(san)(san)(san)熱(re)器(qi)(qi)：散(san)(san)(san)熱(re)器(qi)(qi)的(de)(de)主(zhu)要(yao)(yao)作用是將(jiang)晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)產生(sheng)的(de)(de)熱(re)量散(san)(san)(san)發(fa)出(chu)去(qu)，保(bao)(bao)證器(qi)(qi)件(jian)的(de)(de)正(zheng)常(chang)(chang)工作。散(san)(san)(san)熱(re)器(qi)(qi)通(tong)(tong)常(chang)(chang)采用金(jin)屬材質制成，具有良好的(de)(de)導(dao)(dao)熱(re)性(xing)能。此外，散(san)(san)(san)熱(re)器(qi)(qi)的(de)(de)形狀(zhuang)和(he)(he)尺(chi)寸也需(xu)要(yao)(yao)根據晶(jing)(jing)閘(zha)(zha)(zha)管(guan)(guan)的(de)(de)工作狀(zhuang)態進行(xing)優化設計，以保(bao)(bao)證散(san)(san)(san)熱(re)效果的(de)(de)較大(da)化。三(san)(san)極(ji)(ji)管(guan)(guan)功率器(qi)(qi)件(jian)的(de)(de)功耗較低，能夠(gou)節約能源和(he)(he)減(jian)少電(dian)(dian)(dian)子設備的(de)(de)發(fa)熱(re)問題。

晶(jing)閘(zha)管功(gong)率(lv)(lv)器(qi)件(jian)(jian)(jian)的(de)(de)(de)(de)快(kuai)(kuai)速(su)開(kai)關速(su)度(du)是指(zhi)它能(neng)(neng)(neng)(neng)(neng)(neng)夠(gou)在(zai)(zai)很短的(de)(de)(de)(de)時間內從關斷狀態(tai)(tai)(tai)切(qie)(qie)換(huan)到(dao)導通(tong)狀態(tai)(tai)(tai)，或者從導通(tong)狀態(tai)(tai)(tai)切(qie)(qie)換(huan)到(dao)關斷狀態(tai)(tai)(tai)。這(zhe)種快(kuai)(kuai)速(su)開(kai)關速(su)度(du)使得晶(jing)閘(zha)管能(neng)(neng)(neng)(neng)(neng)(neng)夠(gou)在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)中快(kuai)(kuai)速(su)地控(kong)制電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)(de)流(liu)動，從而(er)實現(xian)對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)的(de)(de)(de)(de)精確控(kong)制。與(yu)傳統的(de)(de)(de)(de)開(kai)關器(qi)件(jian)(jian)(jian)相比(bi)，晶(jing)閘(zha)管的(de)(de)(de)(de)開(kai)關速(su)度(du)更(geng)快(kuai)(kuai)，能(neng)(neng)(neng)(neng)(neng)(neng)夠(gou)更(geng)快(kuai)(kuai)地響應電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)(de)(de)變(bian)化，提(ti)高(gao)了電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)(de)(de)響應速(su)度(du)和穩(wen)(wen)定性(xing)。晶(jing)閘(zha)管功(gong)率(lv)(lv)器(qi)件(jian)(jian)(jian)的(de)(de)(de)(de)高(gao)效(xiao)(xiao)(xiao)能(neng)(neng)(neng)(neng)(neng)(neng)轉換(huan)特性(xing)是指(zhi)它能(neng)(neng)(neng)(neng)(neng)(neng)夠(gou)將(jiang)輸(shu)(shu)(shu)入電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)有(you)(you)效(xiao)(xiao)(xiao)地轉換(huan)為輸(shu)(shu)(shu)出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)，減少能(neng)(neng)(neng)(neng)(neng)(neng)量的(de)(de)(de)(de)損耗(hao)。晶(jing)閘(zha)管具有(you)(you)較(jiao)低(di)(di)的(de)(de)(de)(de)導通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)阻和較(jiao)高(gao)的(de)(de)(de)(de)關斷電(dian)(dian)(dian)(dian)(dian)(dian)阻，使得它能(neng)(neng)(neng)(neng)(neng)(neng)夠(gou)在(zai)(zai)導通(tong)狀態(tai)(tai)(tai)下(xia)提(ti)供(gong)(gong)較(jiao)低(di)(di)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓降，從而(er)減少能(neng)(neng)(neng)(neng)(neng)(neng)量的(de)(de)(de)(de)損耗(hao)。此(ci)外(wai)，晶(jing)閘(zha)管還具有(you)(you)較(jiao)高(gao)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)承(cheng)受(shou)能(neng)(neng)(neng)(neng)(neng)(neng)力(li)(li)和較(jiao)低(di)(di)的(de)(de)(de)(de)開(kai)關損耗(hao)，能(neng)(neng)(neng)(neng)(neng)(neng)夠(gou)更(geng)有(you)(you)效(xiao)(xiao)(xiao)地轉換(huan)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)，提(ti)高(gao)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)(de)(de)能(neng)(neng)(neng)(neng)(neng)(neng)效(xiao)(xiao)(xiao)。晶(jing)閘(zha)管功(gong)率(lv)(lv)器(qi)件(jian)(jian)(jian)能(neng)(neng)(neng)(neng)(neng)(neng)夠(gou)提(ti)供(gong)(gong)穩(wen)(wen)定的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)輸(shu)(shu)(shu)出(chu)(chu)，主要是因為它具有(you)(you)較(jiao)高(gao)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓和電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)承(cheng)受(shou)能(neng)(neng)(neng)(neng)(neng)(neng)力(li)(li)。晶(jing)閘(zha)管能(neng)(neng)(neng)(neng)(neng)(neng)夠(gou)承(cheng)受(shou)較(jiao)高(gao)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓和電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)，不易受(shou)到(dao)外(wai)界(jie)干擾的(de)(de)(de)(de)影響，能(neng)(neng)(neng)(neng)(neng)(neng)夠(gou)在(zai)(zai)惡劣(lie)的(de)(de)(de)(de)工作(zuo)環境下(xia)穩(wen)(wen)定地工作(zuo)。此(ci)外(wai)，晶(jing)閘(zha)管還具有(you)(you)較(jiao)低(di)(di)的(de)(de)(de)(de)溫(wen)度(du)系數和較(jiao)高(gao)的(de)(de)(de)(de)溫(wen)度(du)穩(wen)(wen)定性(xing)，能(neng)(neng)(neng)(neng)(neng)(neng)夠(gou)在(zai)(zai)不同溫(wen)度(du)下(xia)提(ti)供(gong)(gong)穩(wen)(wen)定的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)輸(shu)(shu)(shu)出(chu)(chu)。IGBT功(gong)率(lv)(lv)器(qi)件(jian)(jian)(jian)的(de)(de)(de)(de)封(feng)裝(zhuang)形式多樣，包括模塊封(feng)裝(zhuang)和芯片封(feng)裝(zhuang)。杭州半導體功(gong)率(lv)(lv)器(qi)件(jian)(jian)(jian)有(you)(you)哪些(xie)

二極管功(gong)率器件的電流承(cheng)載能力大，能夠滿足高功(gong)率應用的需求。鄭州CypressIGBT功(gong)率器件

三極管功率器(qi)(qi)件(jian)是一(yi)種常用的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)元(yuan)件(jian)，用于放(fang)大和(he)控制(zhi)電(dian)(dian)(dian)(dian)(dian)流。它由三個(ge)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)域組(zu)成(cheng)(cheng)，分別是發(fa)射(she)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)、基(ji)(ji)(ji)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)和(he)集電(dian)(dian)(dian)(dian)(dian)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)。發(fa)射(she)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)和(he)集電(dian)(dian)(dian)(dian)(dian)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)之間有一(yi)個(ge)絕緣的(de)(de)(de)基(ji)(ji)(ji)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)，通過控制(zhi)基(ji)(ji)(ji)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流，可(ke)以控制(zhi)集電(dian)(dian)(dian)(dian)(dian)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流。三極管功率器(qi)(qi)件(jian)的(de)(de)(de)工作(zuo)原理是基(ji)(ji)(ji)于PN結(jie)的(de)(de)(de)特性。PN結(jie)是由P型(xing)(xing)半(ban)(ban)導(dao)(dao)(dao)體(ti)(ti)和(he)N型(xing)(xing)半(ban)(ban)導(dao)(dao)(dao)體(ti)(ti)組(zu)成(cheng)(cheng)的(de)(de)(de)結(jie)構，具(ju)有正向(xiang)偏置和(he)反向(xiang)偏置兩種工作(zuo)狀態(tai)。在正向(xiang)偏置下，P型(xing)(xing)半(ban)(ban)導(dao)(dao)(dao)體(ti)(ti)的(de)(de)(de)空穴(xue)和(he)N型(xing)(xing)半(ban)(ban)導(dao)(dao)(dao)體(ti)(ti)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)會向(xiang)PN結(jie)的(de)(de)(de)中心區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)域擴散，形(xing)成(cheng)(cheng)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)云(yun)。而在反向(xiang)偏置下，P型(xing)(xing)半(ban)(ban)導(dao)(dao)(dao)體(ti)(ti)的(de)(de)(de)空穴(xue)和(he)N型(xing)(xing)半(ban)(ban)導(dao)(dao)(dao)體(ti)(ti)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)會被(bei)(bei)電(dian)(dian)(dian)(dian)(dian)場(chang)推向(xiang)PN結(jie)的(de)(de)(de)兩側，形(xing)成(cheng)(cheng)耗盡區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)。三極管功率器(qi)(qi)件(jian)的(de)(de)(de)發(fa)射(she)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)是由N型(xing)(xing)半(ban)(ban)導(dao)(dao)(dao)體(ti)(ti)構成(cheng)(cheng)的(de)(de)(de)，集電(dian)(dian)(dian)(dian)(dian)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)是由P型(xing)(xing)半(ban)(ban)導(dao)(dao)(dao)體(ti)(ti)構成(cheng)(cheng)的(de)(de)(de)。當發(fa)射(she)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)的(de)(de)(de)N型(xing)(xing)半(ban)(ban)導(dao)(dao)(dao)體(ti)(ti)與(yu)基(ji)(ji)(ji)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)的(de)(de)(de)P型(xing)(xing)半(ban)(ban)導(dao)(dao)(dao)體(ti)(ti)之間施加正向(xiang)偏置時，發(fa)射(she)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)會向(xiang)基(ji)(ji)(ji)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)擴散，形(xing)成(cheng)(cheng)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)云(yun)。這些(xie)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)云(yun)會被(bei)(bei)基(ji)(ji)(ji)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)場(chang)推向(xiang)集電(dian)(dian)(dian)(dian)(dian)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)，從(cong)而形(xing)成(cheng)(cheng)集電(dian)(dian)(dian)(dian)(dian)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流。通過控制(zhi)基(ji)(ji)(ji)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流，可(ke)以控制(zhi)集電(dian)(dian)(dian)(dian)(dian)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)(qu)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流大小。鄭州CypressIGBT功率器(qi)(qi)件(jian)

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