久久ww精品w免费人成

QV0201~0603E系列ESD靜(jing)電(dian)防護(hu)貼片(pian)壓(ya)敏電(dian)阻介紹:

氧(yang)(yang)化(hua)鋅壓敏電阻是一(yi)種以氧(yang)(yang)化(hua)鋅為主(zhu)體(ti)、添加(jia)多(duo)種金屬氧(yang)(yang)化(hua)物為添加(jia)劑、經過空氣中高(gao)溫燒結而制(zhi)成的(de)多(duo)晶半導體(ti)陶瓷元件。壓敏

是一種(zhong)限(xian)壓(ya)型保護器件(jian)。壓(ya)敏電(dian)(dian)阻(zu)和被保護電(dian)(dian)路元(yuan)件(jian)并聯在(zai)電(dian)(dian)路中(zhong)(zhong),當電(dian)(dian)路中(zhong)(zhong)出現雷電(dian)(dian)過電(dian)(dian)壓(ya)、靜(jing)電(dian)(dian)過電(dian)(dian)壓(ya)或瞬(shun)態(tai)操(cao)作過電(dian)(dian)壓(ya)

時(shi),利(li)用(yong)壓敏(min)電(dian)(dian)阻(zu)的(de)(de)(de)非(fei)線性特(te)性,壓敏(min)電(dian)(dian)阻(zu)會以納秒級時間(jian)的(de)(de)(de)響(xiang)應速度將兩端電(dian)(dian)壓迅速下(xia)降鉗位到一個(ge)相(xiang)對固定(ding)的(de)(de)(de)安全(quan)電(dian)(dian)壓值,從

而避免保護電(dian)路元件遭(zao)受過(guo)電(dian)壓的沖擊而損(sun)壞(huai)。

當施(shi)加(jia)于壓(ya)(ya)(ya)敏(min)(min)電(dian)(dian)阻(zu)器(qi)(qi)兩端(duan)電(dian)(dian)壓(ya)(ya)(ya)小(xiao)于其壓(ya)(ya)(ya)敏(min)(min)電(dian)(dian)壓(ya)(ya)(ya),壓(ya)(ya)(ya)敏(min)(min)電(dian)(dian)阻(zu)器(qi)(qi)相(xiang)當于10MΩ以上絕緣電(dian)(dian)阻(zu);當在壓(ya)(ya)(ya)敏(min)(min)電(dian)(dian)阻(zu)器(qi)(qi)兩端(duan)施(shi)加(jia)大(da)于壓(ya)(ya)(ya)敏(min)(min)電(dian)(dian)壓(ya)(ya)(ya)的過

壓(ya)時(shi),壓(ya)敏(min)電(dian)阻器的電(dian)阻急劇下降呈現低阻態(tai),從而(er)把電(dian)荷(he)快速(su)導走,有效地(di)保護了電(dian)路中的其它元器件不致過壓(ya)而(er)損壞。

  

     限制電壓.jpg


       ESD防護圖片_副本.jpg


QV0201~0603E系列ESD靜電防護(hu)貼(tie)片壓敏(min)電阻特點(dian):            

1) SMD小(xiao)型(xing)貼(tie)片,節省空(kong)間,方便生產;

2) 響應時間為ns級(ji),響應速度滿足各種電路保護要(yao)求;

3) 雙向無極(ji)性(xing)保(bao)護,鉗(qian)位電壓低;

4) 優秀的(de)可(ke)焊性(Ni,Sn鍍(du)層)

5) 符(fu)合RoHS環(huan)保(bao)標準;


QV0201~0603E系列ESD靜電防護貼(tie)片(pian)壓敏電阻(zu)應用范(fan)圍(wei):

1) IC和晶體(ti)管的瞬態電(dian)壓保護(hu),用于移動通信、計算機/ EDP、LCD模(mo)塊、手(shou)持/便攜式(shi)設備、PDA

2) 視頻和音(yin)頻線I / O端(duan)口、高速數據線(如HDMI、USB 3.0、IEEE 1394接口、射頻天線、射頻模塊)的(de)ESD保護;

3) ESD保護符合IEC 61000-4-2(4級)


QV0201~0603E系列ESD靜電防(fang)護貼片壓敏(min)電阻產(chan)品參數:

類別

尺寸

L×W×Tmm

最大工作電壓

VDCV

電容(rong)量

CppF

最大浪涌電流

@8/20μsA

QV0201*E

0.60×0.30×0.30

5.59

0.180

110

QV0402*E

1.00×0.50×0.50

5.530

0.1230

120

QV0603*E

1.60×0.80×0.80

5.530

0.1820

130