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1.6 常见的PCB封装类型有哪些?
答:常见的PCB封装有如下几种。
• 电阻、电容、电感封装如图1-8所示。
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_22_59200_s.jpg?sign=1738888752-a63XQegZirE23xsVB6hEYSiQlrF73fiw-0-16e580423e536d5891c9a0a2dc5420f6)
图1-8 电阻、电容、电感封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_22_59439_s.jpg?sign=1738888752-L29EPXDP4VivYJqHf68kgner3XHdkcNe-0-d4389f079a0662208af2b1be8081b4d8)
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/image_22_5_m.jpg?sign=1738888752-uekPPO7cxRiJq6wLpIYgQlcOV5mXfeYG-0-344eea725456f53dee0948bf6004fca6)
• 二极管、三极管封装如图1-9所示。
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_22_16951_m.jpg?sign=1738888752-4yXE7SoSVzaYEwCWqDkHegbD4QBcsOXD-0-5f60bec3f4753790834be7e258f87d64)
图1-9 二极管、三极管封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_22_53152_s.jpg?sign=1738888752-S7oFN2pzXqQPeuTbOuCU12c9nj82iWKi-0-830ea29f445f000a27637e290a553fa7)
• 排阻类器件(8脚、16脚)封装如图1-10所示。
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/image_22_7_m.jpg?sign=1738888752-p8ReYrv26yL7ReYr5tXSwxzkrCQXSpLB-0-beb3f91ddcb08827ecd25c5f96527a23)
图1-10 排阻类器件封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/image_22_8_m.jpg?sign=1738888752-Th4972RSMbgxE4TqCI9Ao4X7gZqDULJK-0-8c82284da67acb6109c04761fe867196)
• SO类器件(间距有1.27、2.54mm等)封装如图1-11所示。
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_36330_m.jpg?sign=1738888752-Hrivz49lKriOXm8vVkJuz8maDlEBHXIT-0-52ffebd7a52d037511e2211120183d89)
图1-11 SO类器件封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_2265_m.jpg?sign=1738888752-we3G7KV6fl2JIErvLP2KNFuwUtfiwInJ-0-92ff07e59e9cc3b64b9f8243afb9b318)
• QFP类器件封装如图1-12所示。
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_23472_m.jpg?sign=1738888752-xBIj0aqcAZNdaRLfb6iriTZip4q3b8bo-0-5454fe70b53abb2ab05b8b67c93cdebe)
图1-12 QFP类器件封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_53636_m.jpg?sign=1738888752-xPdfsncoeBjPyWFbbs0Qe0OKnvXcyam3-0-398dd25d5a065c453955e15b39c84b36)
• QFN类器件封装如图1-13所示。
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_16102_m.jpg?sign=1738888752-GxwN0xBM9RCcpOvL5rdMXJhHYb0XxT7E-0-8954fa440061c865dfbd0817a546d4ef)
图1-13 QFN类器件封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_34223_m.jpg?sign=1738888752-RVaM5rRFrWpmMuDwgTJTOjH7wMdbpAyQ-0-bd5eacd8006350cf92e13cde5b155513)
• BGA类器件封装如图1-14所示。
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/image_24_1_l.jpg?sign=1738888752-zIHANVbipk1QwqDm0mYUemfxsVNRg4ci-0-9081a2d6d8004d015223128be62369a6)
图1-14 BGA类器件封装