© 1999-2048 dssz.net 粤ICP备11031372号
[嵌入式] 三极管 MARK丝印
说明: SMD devices are, by their very nature, too small to carry conventional semiconductor type numbers. Instead, a somewhat arbitrary coding system has grown up, where the device package carries a simple two- or three-character ID code.<hjf527> 上传 | 大小:3mb