150V 貼(tie)(tie)片(pian)**絲(si)(si)是一種專(zhuan)為表(biao)面貼(tie)(tie)裝(zhuang)(zhuang)技術設(she)計的(de)微型過流保(bao)護(hu)元件，具有體(ti)積小(xiao)巧、響(xiang)應迅速(su)、可(ke)(ke)靠性(xing)高(gao)等特點。陸特科(ke)技推出的(de)1210（3.2×2.5mm）和1812（4.5×3.2mm）封裝(zhuang)(zhuang)是目前(qian)市場(chang)上少數(shu)支(zhi)持(chi)150V額定(ding)電(dian)(dian)(dian)(dian)壓(ya)的(de)貼(tie)(tie)片(pian)自恢復**絲(si)(si)，其(qi)(qi)中1210封裝(zhuang)(zhuang)保(bao)持(chi)電(dian)(dian)(dian)(dian)流（Ihold）為0.02A，1812封裝(zhuang)(zhuang)提供0.05A與0.1A兩種規(gui)格(ge)，可(ke)(ke)適配不(bu)同低(di)功耗(hao)電(dian)(dian)(dian)(dian)路的(de)精細化保(bao)護(hu)需求。主要由導電(dian)(dian)(dian)(dian)顆(ke)粒(li)與結晶聚合物復合而成(cheng)，常(chang)溫(wen)下呈(cheng)低(di)阻態，當電(dian)(dian)(dian)(dian)流異(yi)常(chang)超過觸發值（Itrip，通常(chang)為Ihold的(de)2倍以上）時，材料迅速(su)發熱膨(peng)脹并阻斷導電(dian)(dian)(dian)(dian)通路，快速(su)動作響(xiang)應。該器件在(zai)-40℃至85℃環(huan)境(jing)溫(wen)度下均(jun)能(neng)穩(wen)定(ding)工作，具備抗沖擊、耐老(lao)化特性(xing)，符合RoHS標準，支(zhi)持(chi)回流焊(han)工藝。其(qi)(qi)高(gao)電(dian)(dian)(dian)(dian)壓(ya)設(she)計適用于(yu)DC/DC電(dian)(dian)(dian)(dian)源、LED驅動、電(dian)(dian)(dian)(dian)池管(guan)理(li)系統及工控(kong)設(she)備中敏感IC的(de)保(bao)護(hu)，尤(you)其(qi)(qi)適合空(kong)間受(shou)限(xian)且需長期免維護(hu)的(de)場(chang)景。選(xuan)型時需結合穩(wen)態工作電(dian)(dian)(dian)(dian)流、Max故(gu)障電(dian)(dian)(dian)(dian)流及環(huan)境(jing)溫(wen)度降額曲線，確(que)保(bao)在(zai)150V電(dian)(dian)(dian)(dian)壓(ya)下既能(neng)精確(que)觸發保(bao)護(hu)，又可(ke)(ke)避免誤動作，兼顧**性(xing)與成(cheng)本優化。選(xuan)擇合適的(de)貼(tie)(tie)片(pian)**絲(si)(si)規(gui)格(ge)對電(dian)(dian)(dian)(dian)路保(bao)護(hu)至關(guan)重要。深圳貼(tie)(tie)片(pian)**絲(si)(si)異(yi)常(chang)

車(che)(che)(che)規(gui)(gui)級貼片**絲(si)(si)(si)是(shi)(shi)符(fu)合汽車(che)(che)(che)電(dian)子可(ke)(ke)靠性(xing)(xing)標準（如(ru)(ru)AEC-Q200、ISO16949等(deng)）的(de)(de)過流保護(hu)(hu)器件，專為汽車(che)(che)(che)嚴(yan)苛環(huan)境(jing)設計，其主要作(zuo)用(yong)(yong)是(shi)(shi)在車(che)(che)(che)輛電(dian)路遭遇短路、過載(zai)或(huo)異常(chang)電(dian)流時快(kuai)速熔斷，防止線(xian)束燒(shao)毀、電(dian)子模塊損壞甚(shen)至火(huo)災風險。相較(jiao)于(yu)普(pu)通(tong)(tong)貼片**絲(si)(si)(si)，車(che)(che)(che)規(gui)(gui)級型(xing)號需(xu)(xu)(xu)滿足更(geng)嚴(yan)格的(de)(de)性(xing)(xing)能(neng)要求：工作(zuo)溫度范(fan)圍通(tong)(tong)常(chang)擴展至-55℃~150℃以應對發(fa)動(dong)機艙高溫或(huo)極寒氣(qi)候；機械(xie)強度需(xu)(xu)(xu)通(tong)(tong)過高振動(dong)及沖擊測(ce)試，確(que)保在崎嶇路面或(huo)碰撞中保持(chi)穩定；耐久性(xing)(xing)需(xu)(xu)(xu)滿足超(chao)長壽命及低老化(hua)特性(xing)(xing)，適(shi)(shi)應汽車(che)(che)(che)10年(nian)以上使用(yong)(yong)周期；電(dian)氣(qi)性(xing)(xing)能(neng)需(xu)(xu)(xu)兼具(ju)高耐壓（如(ru)(ru)32V至450V，覆蓋12V/24V/48V車(che)(che)(che)載(zai)系統）與(yu)高分斷能(neng)力（100A至1500A），以應對電(dian)機啟動(dong)、電(dian)池短路等(deng)大電(dian)流沖擊。傳統型(xing)熔斷型(xing)**絲(si)(si)(si)可(ke)(ke)徹(che)底隔(ge)離故(gu)障，適(shi)(shi)用(yong)(yong)于(yu)**關鍵(jian)系統（如(ru)(ru)剎(cha)車(che)(che)(che)控(kong)制(zhi)ECU），而自恢復**絲(si)(si)(si)可(ke)(ke)重(zhong)復保護(hu)(hu)且免(mian)維護(hu)(hu)，適(shi)(shi)用(yong)(yong)于(yu)車(che)(che)(che)窗(chuang)升降、座椅調節等(deng)易發(fa)瞬時異常(chang)的(de)(de)電(dian)路，兩者互(hu)補覆蓋車(che)(che)(che)載(zai)12V/48V/高壓平臺，兼顧(gu)整(zheng)車(che)(che)(che)電(dian)氣(qi)系統的(de)(de)動(dong)態防護(hu)(hu)需(xu)(xu)(xu)求與(yu)成本效率平衡。深圳貼片**絲(si)(si)(si)異常(chang)貼片**絲(si)(si)(si)在通(tong)(tong)信、**設備等(deng)領域的(de)(de)應用(yong)(yong)也十分重(zhong)要。

高(gao)(gao)壓(ya)(ya)(ya)貼片(pian)(pian)**絲(si)的耐(nai)(nai)(nai)壓(ya)(ya)(ya)能(neng)力（即額(e)定(ding)(ding)電(dian)(dian)壓(ya)(ya)(ya)）是指其(qi)在規定(ding)(ding)條(tiao)件下能(neng)長期(qi)承(cheng)受而(er)不發生擊穿或(huo)失效的**高(gao)(gao)工作電(dian)(dian)壓(ya)(ya)(ya)，該參數直(zhi)接決(jue)定(ding)(ding)其(qi)在高(gao)(gao)電(dian)(dian)壓(ya)(ya)(ya)電(dian)(dian)路中的適用性(xing)。常(chang)(chang)規貼片(pian)(pian)**絲(si)的額(e)定(ding)(ding)電(dian)(dian)壓(ya)(ya)(ya)范圍通(tong)常(chang)(chang)為32V至(zhi)250V，具體數值(zhi)取(qu)決(jue)于(yu)材(cai)料、結(jie)構設(she)計及封(feng)(feng)裝工藝。例如(ru)(ru)，消費(fei)電(dian)(dian)子(zi)領域（如(ru)(ru)手機(ji)、筆記本(ben)電(dian)(dian)腦(nao)）常(chang)(chang)用低壓(ya)(ya)(ya)型(xing)號，耐(nai)(nai)(nai)壓(ya)(ya)(ya)值(zhi)多為32V或(huo)63V，適配(pei)USB PD快充（20V）或(huo)常(chang)(chang)規DC電(dian)(dian)源；工業設(she)備(bei)(bei)或(huo)車載電(dian)(dian)子(zi)則需更高(gao)(gao)耐(nai)(nai)(nai)壓(ya)(ya)(ya)等級，如(ru)(ru)125V或(huo)250V，以(yi)應(ying)對(dui)電(dian)(dian)機(ji)控(kong)制(zhi)、電(dian)(dian)源模塊(kuai)等場(chang)(chang)景中的瞬態(tai)高(gao)(gao)壓(ya)(ya)(ya)沖擊。部分(fen)高(gao)(gao)壓(ya)(ya)(ya)貼片(pian)(pian)**絲(si)（如(ru)(ru)1032封(feng)(feng)裝）可支持600V以(yi)上(shang)耐(nai)(nai)(nai)壓(ya)(ya)(ya)，用于(yu)通(tong)信基站、**設(she)備(bei)(bei)或(huo)新(xin)能(neng)源逆變器等對(dui)絕緣強度要求(qiu)苛刻(ke)的場(chang)(chang)合(he)。耐(nai)(nai)(nai)壓(ya)(ya)(ya)性(xing)能(neng)受多重因素(su)影(ying)響：**絲(si)內(nei)部導電(dian)(dian)體的材(cai)料（如(ru)(ru)銀合(he)金或(huo)銅(tong)）與絕緣基材(cai)（陶瓷(ci)或(huo)高(gao)(gao)分(fen)子(zi)）的介(jie)電(dian)(dian)強度決(jue)定(ding)(ding)基礎耐(nai)(nai)(nai)壓(ya)(ya)(ya)水平(ping)；封(feng)(feng)裝結(jie)構通(tong)過優化電(dian)(dian)極間(jian)距與絕緣層(ceng)厚(hou)度進一步(bu)提升耐(nai)(nai)(nai)壓(ya)(ya)(ya)能(neng)力，如(ru)(ru)1206封(feng)(feng)裝因體積較大，通(tong)常(chang)(chang)比0402封(feng)(feng)裝具備(bei)(bei)更高(gao)(gao)電(dian)(dian)壓(ya)(ya)(ya)承(cheng)載上(shang)限。簡(jian)言(yan)之，貼片(pian)(pian)**絲(si)的耐(nai)(nai)(nai)壓(ya)(ya)(ya)設(she)計需綜合(he)電(dian)(dian)路環境、封(feng)(feng)裝限制(zhi)及**冗余，以(yi)實現過流保護(hu)與電(dian)(dian)壓(ya)(ya)(ya)耐(nai)(nai)(nai)受的精確平(ping)衡。

近年來(lai)(lai)，國(guo)產(chan)(chan)貼(tie)片(pian)**絲(si)在(zai)技術研(yan)發(fa)(fa)(fa)、制造工藝(yi)以及市場應(ying)(ying)用方面取(qu)得(de)了(le)卓著(zhu)進(jin)展(zhan)。國(guo)內**絲(si)廠商不斷投入研(yan)發(fa)(fa)(fa)資源，推出(chu)了(le)一系列高性能(neng)、高性價比的(de)(de)(de)(de)貼(tie)片(pian)**絲(si)產(chan)(chan)品，滿(man)足了(le)不同領(ling)域對電路保護的(de)(de)(de)(de)需求。在(zai)技術方面，國(guo)產(chan)(chan)貼(tie)片(pian)**絲(si)已經具備了(le)與國(guo)際先進(jin)水平相媲美(mei)的(de)(de)(de)(de)能(neng)力(li)，部分產(chan)(chan)品甚至在(zai)某些性能(neng)指標上超越了(le)進(jin)口產(chan)(chan)品。在(zai)市場方面，隨著(zhu)國(guo)內電子產(chan)(chan)業的(de)(de)(de)(de)快(kuai)速發(fa)(fa)(fa)展(zhan)和智(zhi)能(neng)制造的(de)(de)(de)(de)推進(jin)，國(guo)產(chan)(chan)貼(tie)片(pian)**絲(si)的(de)(de)(de)(de)需求量(liang)呈現出(chu)爆發(fa)(fa)(fa)式增長。未(wei)來(lai)(lai)，國(guo)產(chan)(chan)貼(tie)片(pian)**絲(si)將在(zai)國(guo)內外市場上占(zhan)據更加重(zhong)要的(de)(de)(de)(de)位置(zhi)，成為推動(dong)電子產(chan)(chan)業發(fa)(fa)(fa)展(zhan)的(de)(de)(de)(de)重(zhong)要力(li)量(liang)。貼(tie)片(pian)**絲(si)的(de)(de)(de)(de)應(ying)(ying)用推動(dong)了(le)電子設備的(de)(de)(de)(de)小型化、集成化和智(zhi)能(neng)化發(fa)(fa)(fa)展(zhan)。

磁(ci)吸線(xian)貼(tie)(tie)片(pian)**絲是用于磁(ci)吸充(chong)電線(xian)、可穿戴設備(bei)等(deng)小型(xing)(xing)化(hua)電路(lu)的(de)微型(xing)(xing)過(guo)(guo)流(liu)保護元件(jian)，通過(guo)(guo)表(biao)面貼(tie)(tie)裝(zhuang)工藝集成(cheng)于線(xian)路(lu)板，當電流(liu)超過(guo)(guo)閾值(zhi)時快速熔斷(duan)(duan)或自(zi)恢復(fu)，防止(zhi)短(duan)路(lu)或過(guo)(guo)載(zai)損壞(huai)設備(bei)。適(shi)用于磁(ci)吸線(xian)的(de)貼(tie)(tie)片(pian)**絲需滿足小體(ti)積（如 0402/0603 封裝(zhuang)）、低內阻、快速響(xiang)應及寬溫(wen)域（-40℃~+85℃）特(te)性。推薦類型(xing)(xing)包括(kuo)：快斷(duan)(duan)貼(tie)(tie)片(pian)**絲：適(shi)合保護 USB-C、Lightning 接口的(de) 5V/3A 快充(chong)電路(lu)；自(zi)恢復(fu)貼(tie)(tie)片(pian)**絲：故(gu)障排除后自(zi)動復(fu)位，適(shi)合頻(pin)繁插拔(ba)、重復(fu)保護的(de) TWS 耳機充(chong)電盒(he)等(deng)場景。貼(tie)(tie)片(pian)**絲的(de)生產(chan)廠(chang)家(jia)應不斷(duan)(duan)提高產(chan)品質(zhi)量和技(ji)術水平，滿足市場需求。深圳(zhen)貼(tie)(tie)片(pian)**絲測試方法(fa)

貼片**絲(si)的應用范圍不(bu)斷擴大，市場需求(qiu)持續(xu)增長。深圳貼片**絲(si)異常

低(di)(di)內(nei)(nei)阻(zu)(zu)(zu)貼片**絲，低(di)(di)內(nei)(nei)阻(zu)(zu)(zu)自(zi)恢(hui)復**絲是一種基(ji)于正溫(wen)度(du)系(xi)數(shu)（PTC）材(cai)(cai)料的智能過流(liu)保(bao)護(hu)器件，其主(zhu)要(yao)特點是在(zai)常(chang)態下具(ju)有極(ji)低(di)(di)的內(nei)(nei)阻(zu)(zu)(zu)（可(ke)低(di)(di)至零點幾(ji)毫(hao)歐(ou)），同(tong)(tong)時兼具(ju)自(zi)恢(hui)復功能。其工(gong)作原(yuan)理依賴于PTC材(cai)(cai)料的電(dian)(dian)阻(zu)(zu)(zu)隨(sui)溫(wen)度(du)變(bian)化的特性：正常(chang)工(gong)作時，導(dao)電(dian)(dian)網絡暢通(tong)，電(dian)(dian)流(liu)通(tong)過時產生的焦(jiao)耳熱較(jiao)低(di)(di)，電(dian)(dian)阻(zu)(zu)(zu)保(bao)持(chi)(chi)極(ji)小(xiao)；當電(dian)(dian)路(lu)發生過流(liu)或短路(lu)時，電(dian)(dian)流(liu)激增導(dao)致溫(wen)度(du)快速升高，PTC材(cai)(cai)料晶態結構(gou)轉(zhuan)變(bian)，電(dian)(dian)阻(zu)(zu)(zu)值呈指(zhi)數(shu)級躍升，從而切(qie)斷故障電(dian)(dian)流(liu)。故障排除后，溫(wen)度(du)下降(jiang)，材(cai)(cai)料恢(hui)復導(dao)電(dian)(dian)性，無(wu)需人工(gong)干預。低(di)(di)內(nei)(nei)阻(zu)(zu)(zu)設計(ji)的關鍵(jian)在(zai)于通(tong)過材(cai)(cai)料改性和(he)結構(gou)創新，在(zai)維持(chi)(chi)靈敏(min)保(bao)護(hu)特性的前(qian)提(ti)下，明顯降(jiang)低(di)(di)常(chang)態電(dian)(dian)阻(zu)(zu)(zu)值。這一特性使其在(zai)低(di)(di)功耗設備(bei)（如IoT傳感器、可(ke)穿戴(dai)設備(bei)）、高密度(du)電(dian)(dian)路(lu)（如5G基(ji)站電(dian)(dian)源(yuan)）及電(dian)(dian)池管理系(xi)統（如手機(ji)、新能源(yuan)汽車）中具(ju)有關鍵(jian)優(you)勢：減少電(dian)(dian)流(liu)傳輸(shu)損耗、降(jiang)低(di)(di)溫(wen)升對周邊元件的影(ying)響，同(tong)(tong)時提(ti)升系(xi)統能效。深圳貼片**絲異常(chang)