- 1、本文档共31页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
MLCC_贴片电容
3.Walsin MLCC Introduction WTC Part No. 0805 B 104 K 500 N T (1) (2) (3) (4) (5) (6) (7) (1) Size Code (2) Dielectric (3) Capacitance (4) Tolerance (5) Voltage (6) Termination (7) Packaging Walsin MLCC Introduction(1) Size Code L * W ( in inches ): 0805 = 0.08 inch * 0.05 inch = ( 0.08 * 25.4 mm ) * ( 0.05 * 25.4 mm ) = 2.0 mm * 1.2 mm = 2012 inches mm 0201 0603 0402 1005 0603 1608 0805 2012 1206 3216 1210 3225 1808 4520 1812 4532 Walsin MLCC Introduction(2) Dielectric Walsin MLCC Introduction(3) Capacitance-1 Two significant digits followed by no. of zeros: 473 = 47 *103 pF = 47nF = 0.047uF For values below 10 pf, use “R” in place of decimal point : 4R7 = 4.7 pF C = Q / V = Coulomb/Voltage = FARAD Q(electric charge) = C(capacitance value)*V(applied voltage) I = dQ/dt = C*dV/dt (The value of Capacitance is defined as one FARAD when the Voltage across the capacitor is one Volt.,and a charging current of one Ampere flows for one second.) pico-farad (pf) = 10-12 farad nano-farad (nf) = 10-9 farad micro-farad(uf) = 10-6 farad Walsin MLCC Introduction(3) Capacitance-2 Walsin MLCC Introduction(4) Tolerance Walsin MLCC Introduction(5) Voltage Two significant digits followed by no. of zeros. 500 = 50 * 100 V Low voltage : 6.3V,10V,16 V, 25 V, 50 V High voltage: 100V,200/250V,500V,1KV,2KV,3KV Walsin MLCC Introduction(6) Termination N : Ag/Ni/SnPb (Noble metal) B : Cu/Ni/SnPb (Base metal) L : Ag/Ni/Sn (Noble metal) C : Cu/Ni/Sn (Base metal) Walsin MLCC Introduction(7) Packaging NO CODE : Bulk T : Ta
文档评论(0)