500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/84/3330781260149117.gif');}" onmousewheel="return imgzoom(this);">
看似乎是两个共模电感,不知是不是这样称呼?
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/84/3330781260149233.gif');}" onmousewheel="return imgzoom(this);">
两个是串联关系,市电-保险丝、NTC-压电陶瓷-X电容-小共模(线径粗圈数少)-大共模(相对大些,线径细圈数多)-桥堆
