IGBT:120N25
SCR:BT138
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/59/796531194859067.bmp');}" onmousewheel="return imgzoom(this);">
建议:接一电炉丝制15欧左右电阻串联于直流输入全桥之间!限制电流烧坏IGBT