片式电感分为绕线型和叠层型两大类。绕线型电感器是将细的导线绕在软磁铁氧体磁芯上制成,外层一般用树脂封固。其工艺继承性强,但体积小型化有限。而片式叠层电感器则不用绕线,是用铁氧体浆料和导体浆料交替印刷、叠层、烧结,形成闭合磁路;它采用**的厚膜多层钝化技术和叠层生产工艺,实现了**小型表面安装。叠层型电感的主要特点是有磁屏蔽和直流电阻小。与绕线型相比,电感量和可允许通过的电流相对较小,但是较适合在高频下使用。
绕线电感的特点是电感量范围广(mH~H),电感量精度高,损耗小(即Q大),容许电流大、制作工艺继承性强、简单、成本低等,但不足之处是在进一步小型化方面受到限制。陶瓷为芯的绕线型片电感器在这样高的频率能够保持稳定的电感量和相当高的Q值,因而在高频回路中占据一席之地。TDK的NL系列电感为绕线型,0.01~100uH,精度5%,高Q值,可以满足一般需求。NLC型 适用于电源电路,额定电流可达300mA;NLV型为 高Q值,环保(再造塑料),可与NL互换;NLFC 有磁屏,适用于电源线。
(来源:易传播)
东莞盈康电子厂(湖南洞口鑫源电子厂)成立于2004年,是一家以生产、销售为一体的**企业,公司已经通过ISO9001质量体系认证。公司以高质量、低成本之产品来满足客户的需求! 我司坚持“科技**、持续改进、符合要求、质量满意”的质量方针向国内外顾客提供高质量的产品,并以*的服务来增强顾客的信心。互惠互利,合作共赢! 我司主要生产销售:贴片电感,共模电感,工字电感,棒型电感,功率电感,电感线圈,屏蔽电感,滤波电感,磁环电感,色环电感 ,叠层电感,磁珠电感,抗干扰磁环等产品。 Factory Profile Xin Yuan Electronic Factory was prepared to construt in 2004,It integrated production and distribution。Now it has become an enterprise with advanced technologies。It has passed authentication of ISO9001 Quality Management Systems! Xin Yuan Electronic Factory always hold the quality course“technological innovation,continual improvement,up to the mustard,client satisfaction”,and supplies the products with qualities for the clients from home and abroad。Besides, it will build up their trusts by first-class service! Xin Yuan Electronic Factory will grasp at any opportunities of international industrial diversion to promote cooperation with overseas corresponding enterprises, to continue interational marking and realize reciprocal benefits,that is so say,to reach the double-wins!