片狀電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)有三層(ceng)(ceng)(ceng)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)結構，面電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)是(shi)(shi)(shi)(shi)銀(yin)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)，中間(jian)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)是(shi)(shi)(shi)(shi)鎳鍍(du)(du)層(ceng)(ceng)(ceng)，外(wai)部電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)是(shi)(shi)(shi)(shi)錫鍍(du)(du)層(ceng)(ceng)(ceng)、面電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)材(cai)料是(shi)(shi)(shi)(shi)金(jin)屬(shu)導(dao)電(dian)(dian)(dian)(dian)(dian)體(ti)，二(er)次(ci)保(bao)(bao)護包(bao)(bao)裹層(ceng)(ceng)(ceng)是(shi)(shi)(shi)(shi)非金(jin)屬(shu)不導(dao)電(dian)(dian)(dian)(dian)(dian)體(ti)，交界(jie)線區域電(dian)(dian)(dian)(dian)(dian)鍍(du)(du)層(ceng)(ceng)(ceng)很薄(bo)或(huo)未(wei)形(xing)成導(dao)電(dian)(dian)(dian)(dian)(dian)層(ceng)(ceng)(ceng)，從而產(chan)生(sheng)空隙或(huo)是(shi)(shi)(shi)(shi)縫隙，特別是(shi)(shi)(shi)(shi)當絲網印(yin)刷漏印(yin)二(er)次(ci)保(bao)(bao)護層(ceng)(ceng)(ceng)邊界(jie)不整齊(qi)，基(ji)體(ti)二(er)次(ci)保(bao)(bao)護與電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)鍍(du)(du)層(ceng)(ceng)(ceng)之(zhi)間(jian)交接處(chu)是(shi)(shi)(shi)(shi)弱點(dian)、侵入過(guo)程如圖1所示，外(wai)界(jie)含硫(liu)(liu)(liu)腐蝕氣(qi)體(ti)通過(guo)二(er)次(ci)保(bao)(bao)護層(ceng)(ceng)(ceng)與電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)之(zhi)間(jian)的(de)交界(jie)處(chu)滲透到(dao)面電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)，與其化(hua)合使(shi)面電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)的(de)銀(yin)產(chan)生(sheng)硫(liu)(liu)(liu)化(hua)生(sheng)成化(hua)合物Ag2S，FlqT-Ag2S(高阻(zu)(zu)率)導(dao)電(dian)(dian)(dian)(dian)(dian)率低使(shi)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)失(shi)去導(dao)電(dian)(dian)(dian)(dian)(dian)能力失(shi)效。為了避(bi)免電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)硫(liu)(liu)(liu)化(hua)，比較好的(de)方法是(shi)(shi)(shi)(shi)使(shi)用防硫(liu)(liu)(liu)化(hua)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)（或(huo)全薄(bo)膜(mo)工藝電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)，或(huo)插件電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)）。是(shi)(shi)(shi)(shi)通過(guo)延(yan)長二(er)次(ci)保(bao)(bao)護包(bao)(bao)覆(fu)(fu)層(ceng)(ceng)(ceng)設計尺寸，同時讓底層(ceng)(ceng)(ceng)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)覆(fu)(fu)蓋上二(er)次(ci)保(bao)(bao)護，并達到(dao)一(yi)定(ding)尺寸，在電(dian)(dian)(dian)(dian)(dian)鍍(du)(du)時，Ni層(ceng)(ceng)(ceng)和Sn層(ceng)(ceng)(ceng)均能容易地覆(fu)(fu)蓋上二(er)次(ci)保(bao)(bao)護層(ceng)(ceng)(ceng)。這(zhe)樣避(bi)免了相對薄(bo)弱的(de)二(er)次(ci)保(bao)(bao)護包(bao)(bao)覆(fu)(fu)層(ceng)(ceng)(ceng)邊緣直接暴(bao)露于空氣(qi)環境(jing)中，提(ti)高了產(chan)品(pin)的(de)防硫(liu)(liu)(liu)化(hua)能力。ROHM公(gong)司的(de)防硫(liu)(liu)(liu)化(hua)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)設計，保(bao)(bao)護層(ceng)(ceng)(ceng)采(cai)用碳系(xi)導(dao)電(dian)(dian)(dian)(dian)(dian)樹脂膠，覆(fu)(fu)蓋在面電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)上，并延(yan)伸到(dao)二(er)次(ci)保(bao)(bao)護層(ceng)(ceng)(ceng)上。另(ling)一(yi)種(zhong)(zhong)防硫(liu)(liu)(liu)化(hua)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)設計是(shi)(shi)(shi)(shi)從材(cai)料角度出(chu)發，。總的(de)來說，防硫(liu)(liu)(liu)化(hua)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)設計有兩種(zhong)(zhong)思路，一(yi)種(zhong)(zhong)思路是(shi)(shi)(shi)(shi)從包(bao)(bao)封覆(fu)(fu)蓋角度出(chu)發，另(ling)抗硫(liu)(liu)(liu)化(hua)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)有哪些品(pin)牌(pai)？浙江羅姆抗硫(liu)(liu)(liu)化(hua)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)推薦(jian)順(shun)海科技(ji)

為了(le)避免電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)硫(liu)(liu)化(hua)(hua)(hua)(hua)，比較好(hao)的(de)(de)方(fang)法是(shi)(shi)使(shi)用(yong)防(fang)(fang)(fang)硫(liu)(liu)化(hua)(hua)(hua)(hua)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)（或(huo)全薄(bo)膜工藝電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)，或(huo)插(cha)件電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)）。是(shi)(shi)通過(guo)延長(chang)二(er)(er)次(ci)(ci)保(bao)護包覆(fu)層(ceng)設(she)(she)計尺寸(cun)，同(tong)時(shi)讓底層(ceng)電(dian)(dian)極(ji)覆(fu)蓋(gai)(gai)上(shang)二(er)(er)次(ci)(ci)保(bao)護，并達到(dao)一(yi)定尺寸(cun)，在電(dian)(dian)鍍時(shi)，Ni層(ceng)和Sn層(ceng)均能(neng)容(rong)易地覆(fu)蓋(gai)(gai)上(shang)二(er)(er)次(ci)(ci)保(bao)護層(ceng)。這樣避免了(le)相對薄(bo)弱的(de)(de)二(er)(er)次(ci)(ci)保(bao)護包覆(fu)層(ceng)邊緣直(zhi)接暴露于空氣環境中，提(ti)高了(le)產品的(de)(de)防(fang)(fang)(fang)硫(liu)(liu)化(hua)(hua)(hua)(hua)能(neng)力(li)。設(she)(she)計思(si)路(lu)(lu)是(shi)(shi)從(cong)包封、覆(fu)蓋(gai)(gai)角(jiao)度(du)出(chu)(chu)發(fa)(fa)的(de)(de)。ROHM公(gong)司的(de)(de)防(fang)(fang)(fang)硫(liu)(liu)化(hua)(hua)(hua)(hua)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)設(she)(she)計，保(bao)護層(ceng)采用(yong)碳系導電(dian)(dian)樹脂膠，覆(fu)蓋(gai)(gai)在面電(dian)(dian)極(ji)上(shang)，并延伸到(dao)二(er)(er)次(ci)(ci)保(bao)護層(ceng)上(shang)。另一(yi)種(zhong)(zhong)防(fang)(fang)(fang)硫(liu)(liu)化(hua)(hua)(hua)(hua)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)設(she)(she)計是(shi)(shi)從(cong)材料(liao)角(jiao)度(du)出(chu)(chu)發(fa)(fa)，如(ru)：提(ti)高面電(dian)(dian)極(ji)Ag/Pd漿料(liao)中鈀(ba)(ba)的(de)(de)含量，把鈀(ba)(ba)的(de)(de)含量(質量分數)從(cong)通常的(de)(de)0.5%提(ti)高到(dao)10%以上(shang)，由于漿料(liao)中鈀(ba)(ba)含量的(de)(de)提(ti)高，鈀(ba)(ba)的(de)(de)穩定性(xing)提(ti)高了(le)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)抗(kang)(kang)(kang)硫(liu)(liu)化(hua)(hua)(hua)(hua)能(neng)力(li)。實驗證實，這種(zhong)(zhong)方(fang)法有(you)效。總(zong)的(de)(de)來說，防(fang)(fang)(fang)硫(liu)(liu)化(hua)(hua)(hua)(hua)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)設(she)(she)計有(you)兩種(zhong)(zhong)思(si)路(lu)(lu)，一(yi)種(zhong)(zhong)思(si)路(lu)(lu)是(shi)(shi)從(cong)包封覆(fu)蓋(gai)(gai)角(jiao)度(du)出(chu)(chu)發(fa)(fa)，另一(yi)種(zhong)(zhong)思(si)路(lu)(lu)是(shi)(shi)從(cong)材料(liao)角(jiao)度(du)出(chu)(chu)發(fa)(fa)。相對而言從(cong)材料(liao)角(jiao)度(du)出(chu)(chu)發(fa)(fa)，能(neng)更好(hao)保(bao)證電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)不被硫(liu)(liu)化(hua)(hua)(hua)(hua)。涂敷三防(fang)(fang)(fang)漆PCB單板組件涂敷三防(fang)(fang)(fang)漆，這樣增加了(le)一(yi)層(ceng)保(bao)護膜，起到(dao)隔絕空氣防(fang)(fang)(fang)止(zhi)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)硫(liu)(liu)化(hua)(hua)(hua)(hua)的(de)(de)作用(yong)。深(shen)圳抗(kang)(kang)(kang)硫(liu)(liu)化(hua)(hua)(hua)(hua)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)什么作用(yong)抗(kang)(kang)(kang)硫(liu)(liu)化(hua)(hua)(hua)(hua)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)報價找順海科技。

全封(feng)(feng)閉(bi)充膠(jiao)模(mo)(mo)塊(kuai)(kuai)(kuai)電(dian)源(yuan)(yuan)(yuan)采用(yong)(yong)全六面封(feng)(feng)裝(zhuang)結(jie)(jie)構(gou)。這種(zhong)方(fang)法需(xu)要在(zai)實(shi)踐中進行檢驗，因為模(mo)(mo)塊(kuai)(kuai)(kuai)電(dian)源(yuan)(yuan)(yuan)在(zai)其導腳處，即:在(zai)銷子周(zhou)圍，很難真(zhen)正做(zuo)到完全密閉(bi)。另一種(zhong)解決方(fang)案(an)是采用(yong)(yong)真(zhen)正的(de)(de)(de)密封(feng)(feng)設計，模(mo)(mo)塊(kuai)(kuai)(kuai)化(hua)電(dian)源(yuan)(yuan)(yuan)充滿(man)氮氣或氬氣，主(zhu)要用(yong)(yong)于或航空航天產品(pin)。開(kai)放式(shi)結(jie)(jie)構(gou)由(you)于硅膠(jiao)對硫(liu)化(hua)物具(ju)有(you)吸(xi)附作用(yong)(yong)，也有(you)一種(zhong)方(fang)法是廢棄填封(feng)(feng)硅膠(jiao)采用(yong)(yong)開(kai)放式(shi)結(jie)(jie)構(gou)。應從(cong)提高電(dian)源(yuan)(yuan)(yuan)轉換(huan)效率、器件散(san)熱均勻、強制散(san)熱等(deng)方(fang)面綜(zong)合(he)考慮開(kai)放式(shi)結(jie)(jie)構(gou)。目前，電(dian)源(yuan)(yuan)(yuan)硫(liu)化(hua)模(mo)(mo)塊(kuai)(kuai)(kuai)雖然采用(yong)(yong)開(kai)放式(shi)結(jie)(jie)構(gou)，但(dan)與使用(yong)(yong)有(you)機(ji)硅封(feng)(feng)裝(zhuang)模(mo)(mo)塊(kuai)(kuai)(kuai)相比，電(dian)源(yuan)(yuan)(yuan)硫(liu)化(hua)風險降低(di)。陶(tao)(tao)瓷(ci)(ci)基(ji)(ji)板(ban)(ban)功率模(mo)(mo)塊(kuai)(kuai)(kuai)電(dian)源(yuan)(yuan)(yuan)采樣陶(tao)(tao)瓷(ci)(ci)基(ji)(ji)板(ban)(ban)，直接在(zai)陶(tao)(tao)瓷(ci)(ci)基(ji)(ji)板(ban)(ban)上印刷電(dian)阻，陶(tao)(tao)瓷(ci)(ci)基(ji)(ji)板(ban)(ban)具(ju)有(you)良好的(de)(de)(de)熱導率。但(dan)是陶(tao)(tao)瓷(ci)(ci)基(ji)(ji)板(ban)(ban)必須涂(tu)上三(san)層防護漆(qi)，以(yi)防止(zhi)高溫(wen)高濕、電(dian)場遷移(yi)銀的(de)(de)(de)影響，從(cong)而避免線路(lu)(lu)之(zhi)間的(de)(de)(de)短路(lu)(lu)。集成(cheng)(cheng)電(dian)路(lu)(lu)封(feng)(feng)裝(zhuang)電(dian)源(yuan)(yuan)(yuan)采用(yong)(yong)集成(cheng)(cheng)電(dian)路(lu)(lu)封(feng)(feng)裝(zhuang)電(dian)源(yuan)(yuan)(yuan)。由(you)于集成(cheng)(cheng)電(dian)路(lu)(lu)封(feng)(feng)裝(zhuang)電(dian)源(yuan)(yuan)(yuan)和集成(cheng)(cheng)電(dian)路(lu)(lu)芯(xin)片，具(ju)有(you)良好的(de)(de)(de)密封(feng)(feng)性(xing)，可(ke)以(yi)完全切斷外部硫(liu)化(hua)氣體和電(dian)源(yuan)(yuan)(yuan)內部厚膜芯(xin)片電(dian)阻接觸。抗硫(liu)化(hua)產品(pin)適用(yong)(yong)的(de)(de)(de)需(xu)求(qiu)環境(jing)的(de)(de)(de)場合(he)更嚴重或長(chang)期穩(wen)定性(xing)。

3、電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)封裝與尺(chi)寸(cun)差(cha)異(yi) 片(pian)狀電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)本身封裝存在(zai)差(cha)異(yi)，外電(dian)(dian)(dian)(dian)(dian)極鍍層與二(er)次(ci)保(bao)護層搭(da)接長(chang)度(du)不(bu)可(ke)(ke)控，搭(da)接長(chang)度(du)的(de)(de)(de)(de)(de)(de)長(chang)短(duan)與電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)抗(kang)(kang)(kang)(kang)硫(liu)(liu)(liu)(liu)化能(neng)力的(de)(de)(de)(de)(de)(de)優(you)劣有(you)(you)一(yi)定影(ying)響。另一(yi)方(fang)面，電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)本身尺(chi)寸(cun)對(dui)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)(de)(de)(de)抗(kang)(kang)(kang)(kang)硫(liu)(liu)(liu)(liu)化能(neng)力也(ye)有(you)(you)影(ying)響，電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)(de)(de)(de)尺(chi)寸(cun)越大，抗(kang)(kang)(kang)(kang)硫(liu)(liu)(liu)(liu)化失效(xiao)的(de)(de)(de)(de)(de)(de)時(shi)間也(ye)越長(chang)。很多電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)廠家(jia)通(tong)過(guo)各(ge)自(zi)不(bu)同(tong)的(de)(de)(de)(de)(de)(de)工藝(yi)手段，針(zhen)對(dui)這(zhe)些影(ying)響因(yin)素(su)(su)，設計出專門的(de)(de)(de)(de)(de)(de)抗(kang)(kang)(kang)(kang)硫(liu)(liu)(liu)(liu)化電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)，來提(ti)高電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)(de)(de)(de)抗(kang)(kang)(kang)(kang)硫(liu)(liu)(liu)(liu)化能(neng)力。使用方(fang)在(zai)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)(de)(de)(de)選型上，可(ke)(ke)以直接選用各(ge)廠家(jia)設計的(de)(de)(de)(de)(de)(de)抗(kang)(kang)(kang)(kang)硫(liu)(liu)(liu)(liu)化電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)來避(bi)免電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)硫(liu)(liu)(liu)(liu)化所(suo)帶來的(de)(de)(de)(de)(de)(de)影(ying)響。 4、含硫(liu)(liu)(liu)(liu)物(wu)(wu)(wu)料(liao)對(dui)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)(de)(de)(de)影(ying)響 PCB綠油、導(dao)線封膠、電(dian)(dian)(dian)(dian)(dian)子油漆等(deng)物(wu)(wu)(wu)料(liao)都含有(you)(you)硫(liu)(liu)(liu)(liu)元素(su)(su)，這(zhe)些物(wu)(wu)(wu)料(liao)有(you)(you)可(ke)(ke)能(neng)在(zai)工作(zuo)的(de)(de)(de)(de)(de)(de)過(guo)程中會釋放(fang)含硫(liu)(liu)(liu)(liu)物(wu)(wu)(wu)質，導(dao)致(zhi)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)發生(sheng)硫(liu)(liu)(liu)(liu)化失效(xiao)。在(zai)物(wu)(wu)(wu)料(liao)的(de)(de)(de)(de)(de)(de)選取(qu)上需考慮(lv)物(wu)(wu)(wu)料(liao)是否會對(dui)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)產生(sheng)的(de)(de)(de)(de)(de)(de)影(ying)響，再進一(yi)步確定是否使用該物(wu)(wu)(wu)料(liao)。 選用抗(kang)(kang)(kang)(kang)硫(liu)(liu)(liu)(liu)化電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu) 羅姆(mu)(mu)(mu)的(de)(de)(de)(de)(de)(de)抗(kang)(kang)(kang)(kang)硫(liu)(liu)(liu)(liu)化貼片(pian)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)器適用于要求(qiu)高可(ke)(ke)靠(kao)性(xing)的(de)(de)(de)(de)(de)(de)設備(bei)，采(cai)用羅姆(mu)(mu)(mu)的(de)(de)(de)(de)(de)(de)結構，大幅提(ti)升(sheng)抗(kang)(kang)(kang)(kang)硫(liu)(liu)(liu)(liu)化性(xing)。 2012、3216尺(chi)寸(cun)也(ye)即(ji)將上市。 產品陣(zhen)容 抗(kang)(kang)(kang)(kang)硫(liu)(liu)(liu)(liu)化特(te)性(xing)選區羅姆(mu)(mu)(mu)的(de)(de)(de)(de)(de)(de)抗(kang)(kang)(kang)(kang)硫(liu)(liu)(liu)(liu)化電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)，可(ke)(ke)以有(you)(you)效(xiao)提(ti)升(sheng)系統的(de)(de)(de)(de)(de)(de)抗(kang)(kang)(kang)(kang)硫(liu)(liu)(liu)(liu)化特(te)性(xing)，防止(zhi)因(yin)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)硫(liu)(liu)(liu)(liu)化而導(dao)致(zhi)的(de)(de)(de)(de)(de)(de)產品報廢問題，壽命可(ke)(ke)達1500小時(shi)。抗(kang)(kang)(kang)(kang)硫(liu)(liu)(liu)(liu)化貼片(pian)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)器有(you)(you)哪些型號。

抗硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)化(hua)芯(xin)片(pian)電(dian)(dian)阻(zu)(zu)(zu)(zu)ASSeriesAnti-Surfur電(dian)(dian)阻(zu)(zu)(zu)(zu)器(qi)(qi)，尺(chi)寸(cun)從0201-2512，電(dian)(dian)阻(zu)(zu)(zu)(zu)范圍(wei)1ohm-10Mohm。0.5%~5%的(de)(de)(de)(de)公差(cha)。高(gao)(gao)功率(lv)可(ke)(ke)用。AS系列采(cai)用高(gao)(gao)抗硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)化(hua)內電(dian)(dian)極(ji)材(cai)料(liao)和(he)特殊的(de)(de)(de)(de)端(duan)接結構，以(yi)增加抗硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)化(hua)強度。硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)化(hua)發(fa)生在(zai)(zai)電(dian)(dian)阻(zu)(zu)(zu)(zu)器(qi)(qi)中(zhong)，內部(bu)電(dian)(dian)極(ji)為(wei)(wei)銀。含(han)(han)(han)(han)(han)硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)環(huan)境(jing)包(bao)括溫泉或(huo)火山附近的(de)(de)(de)(de)含(han)(han)(han)(han)(han)硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)氣(qi)體(ti)，或(huo)通(tong)過(guo)燃燒原(yuan)料(liao)產生的(de)(de)(de)(de)含(han)(han)(han)(han)(han)硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)氣(qi)體(ti)，即(ji)使是空(kong)氣(qi)污(wu)染(ran)的(de)(de)(de)(de)室外設(she)(she)(she)備也可(ke)(ke)能(neng)受(shou)到影響。通(tong)過(guo)該(gai)反應(ying)產生的(de)(de)(de)(de)硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)化(hua)銀會影響電(dian)(dian)導率(lv)，因(yin)此電(dian)(dian)阻(zu)(zu)(zu)(zu)器(qi)(qi)斷開連(lian)接。Viking的(de)(de)(de)(de)抗硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)化(hua)電(dian)(dian)阻(zu)(zu)(zu)(zu)器(qi)(qi)是防(fang)止您的(de)(de)(de)(de)電(dian)(dian)子(zi)設(she)(she)(she)備在(zai)(zai)高(gao)(gao)硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)環(huan)境(jing)中(zhong)受(shou)損的(de)(de)(de)(de)理想(xiang)(xiang)選(xuan)擇。尺(chi)寸(cun)從0201-2512，電(dian)(dian)阻(zu)(zu)(zu)(zu)范圍(wei)1ohm-10Mohm。0.5%~5%的(de)(de)(de)(de)公差(cha)。高(gao)(gao)功率(lv)可(ke)(ke)用。AS系列采(cai)用高(gao)(gao)抗硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)化(hua)內電(dian)(dian)極(ji)材(cai)料(liao)和(he)特殊的(de)(de)(de)(de)端(duan)接結構，以(yi)增加抗硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)化(hua)強度。硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)化(hua)發(fa)生在(zai)(zai)電(dian)(dian)阻(zu)(zu)(zu)(zu)器(qi)(qi)中(zhong)，內部(bu)電(dian)(dian)極(ji)為(wei)(wei)銀。含(han)(han)(han)(han)(han)硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)環(huan)境(jing)包(bao)括溫泉或(huo)火山附近的(de)(de)(de)(de)含(han)(han)(han)(han)(han)硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)氣(qi)體(ti)，或(huo)通(tong)過(guo)燃燒原(yuan)料(liao)產生的(de)(de)(de)(de)含(han)(han)(han)(han)(han)硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)氣(qi)體(ti)，即(ji)使是空(kong)氣(qi)污(wu)染(ran)的(de)(de)(de)(de)室外設(she)(she)(she)備也可(ke)(ke)能(neng)受(shou)到影響。通(tong)過(guo)該(gai)反應(ying)產生的(de)(de)(de)(de)硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)化(hua)銀會影響電(dian)(dian)導率(lv)，因(yin)此電(dian)(dian)阻(zu)(zu)(zu)(zu)器(qi)(qi)會斷開連(lian)接。Viking的(de)(de)(de)(de)抗硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)化(hua)電(dian)(dian)阻(zu)(zu)(zu)(zu)器(qi)(qi)是防(fang)止您的(de)(de)(de)(de)電(dian)(dian)子(zi)設(she)(she)(she)備在(zai)(zai)高(gao)(gao)硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)環(huan)境(jing)中(zhong)受(shou)損的(de)(de)(de)(de)理想(xiang)(xiang)選(xuan)擇。范圍(wei)?本規范適用于各(ge)種尺(chi)寸(cun)的(de)(de)(de)(de)以(yi)釕(liao)基(ji)為(wei)(wei)材(cai)料(liao)的(de)(de)(de)(de)矩(ju)形(xing)固定(ding)片(pian)式(shi)電(dian)(dian)阻(zu)(zu)(zu)(zu)器(qi)(qi)。抗硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)化(hua)電(dian)(dian)阻(zu)(zu)(zu)(zu)怎么測量(liang)好(hao)壞(huai)？深圳抗硫(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)化(hua)電(dian)(dian)阻(zu)(zu)(zu)(zu)什么作(zuo)用

抗硫(liu)化(hua)電阻與抗浪涌電阻的區別是什么？浙江羅姆(mu)抗硫(liu)化(hua)電阻推薦順(shun)海科技

貼(tie)片電(dian)(dian)(dian)阻硫(liu)化(hua)(hua)(hua)時(shi)間：2021-01-07瀏(liu)覽次數：99客(ke)戶反饋所生產(chan)的(de)(de)LED顯(xian)(xian)示頻在(zai)歐洲那邊(bian)紛紛出了(le)(le)問(wen)題(ti)，我(wo)們前往客(ke)戶端進(jin)行(xing)溝通的(de)(de)，客(ke)戶是做成(cheng)(cheng)(cheng)成(cheng)(cheng)(cheng)品后在(zai)消費(fei)者使(shi)用(yong)大約是半年左右就出現(xian)(xian)(xian)LED顯(xian)(xian)示頻上的(de)(de)個別LED燈不亮，客(ke)戶有一道工(gong)序是電(dian)(dian)(dian)阻貼(tie)在(zai)PCB板(ban)上在(zai)進(jin)行(xing)灌硅膠。經分(fen)析發(fa)現(xian)(xian)(xian)LED顯(xian)(xian)示頻使(shi)用(yong)的(de)(de)厚膜貼(tie)片電(dian)(dian)(dian)阻阻值變(bian)大了(le)(le)，甚至變(bian)成(cheng)(cheng)(cheng)開路(lu)了(le)(le)。我(wo)們將不良電(dian)(dian)(dian)阻樣品帶回分(fen)析，在(zai)顯(xian)(xian)微鏡觀察下(xia)發(fa)現(xian)(xian)(xian)電(dian)(dian)(dian)阻電(dian)(dian)(dian)極(ji)邊(bian)緣出現(xian)(xian)(xian)了(le)(le)黑(hei)色結(jie)晶物質，進(jin)一步分(fen)析成(cheng)(cheng)(cheng)分(fen)發(fa)現(xian)(xian)(xian)，黑(hei)色物質是硫(liu)化(hua)(hua)(hua)銀(yin)(yin)(yin)晶體。通過送往第(di)三方試(shi)驗(yan)室(shi)EDX分(fen)析發(fa)現(xian)(xian)(xian)電(dian)(dian)(dian)阻上都含有危害物質硫(liu)的(de)(de)成(cheng)(cheng)(cheng)分(fen)，尤其在(zai)銀(yin)(yin)(yin)層(ceng)消失位置(zhi)含有高含量的(de)(de)硫(liu)，終判定是客(ke)戶所灌的(de)(de)硅膠含有硫(liu)元(yuan)素(su)而造成(cheng)(cheng)(cheng)硫(liu)化(hua)(hua)(hua)銀(yin)(yin)(yin)反應，導致銀(yin)(yin)(yin)層(ceng)消失電(dian)(dian)(dian)阻阻值偏大或開路(lu)浙江羅姆抗硫(liu)化(hua)(hua)(hua)電(dian)(dian)(dian)阻推薦順海(hai)科技

深圳市順(shun)海科技(ji)有(you)限公(gong)(gong)司(si)坐落于(yu)深圳市龍華新區清祥路(lu)寶能(neng)科技(ji)園9棟B座7樓7單元(yuan)，是集設(she)計、開發、生產(chan)、銷售(shou)(shou)(shou)、售(shou)(shou)(shou)后服(fu)務(wu)于(yu)一(yi)體，電(dian)(dian)子元(yuan)器(qi)(qi)(qi)件(jian)(jian)(jian)的(de)貿易型企業。公(gong)(gong)司(si)在行業內發展多年，持(chi)續為(wei)(wei)用(yong)(yong)戶提供整套電(dian)(dian)阻(zu)，電(dian)(dian)感(gan)(gan)，保(bao)險絲(si)，保(bao)護器(qi)(qi)(qi)件(jian)(jian)(jian)的(de)解決方案(an)。公(gong)(gong)司(si)主要經營電(dian)(dian)阻(zu)，電(dian)(dian)感(gan)(gan)，保(bao)險絲(si)，保(bao)護器(qi)(qi)(qi)件(jian)(jian)(jian)等，我們始(shi)終堅持(chi)以(yi)可靠的(de)產(chan)品(pin)質量，良好(hao)(hao)的(de)服(fu)務(wu)理(li)(li)念，優惠的(de)服(fu)務(wu)價(jia)格誠信和(he)讓利于(yu)客戶，堅持(chi)用(yong)(yong)自己的(de)服(fu)務(wu)去(qu)打動(dong)客戶。華德,麗(li)智,陸海,碩凱,ELLON,大毅,旺詮(quan),三星,村(cun)田,國(guo)巨(ju),光頡,天二(er)集中了一(yi)批經驗豐富(fu)的(de)技(ji)術及(ji)(ji)管理(li)(li)專業人才，能(neng)為(wei)(wei)客戶提供良好(hao)(hao)的(de)售(shou)(shou)(shou)前、售(shou)(shou)(shou)中及(ji)(ji)售(shou)(shou)(shou)后服(fu)務(wu)，并(bing)(bing)能(neng)根據用(yong)(yong)戶需(xu)求，定制(zhi)產(chan)品(pin)和(he)配套整體解決方案(an)。深圳市順(shun)海科技(ji)有(you)限公(gong)(gong)司(si)以(yi)先進工藝為(wei)(wei)基礎、以(yi)產(chan)品(pin)質量為(wei)(wei)根本、以(yi)技(ji)術創新為(wei)(wei)動(dong)力，開發并(bing)(bing)推出多項具(ju)有(you)競爭力的(de)電(dian)(dian)阻(zu)，電(dian)(dian)感(gan)(gan)，保(bao)險絲(si)，保(bao)護器(qi)(qi)(qi)件(jian)(jian)(jian)產(chan)品(pin)，確(que)保(bao)了在電(dian)(dian)阻(zu)，電(dian)(dian)感(gan)(gan)，保(bao)險絲(si)，保(bao)護器(qi)(qi)(qi)件(jian)(jian)(jian)市場的(de)優勢。

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