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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=1738857445-abFHsHb54mYqtjkmKqK57FVtjx6cZhAS-0-0a4a74355a6f42795f1dbaf2d94480d9)
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=1738857445-Hxf1NS9kPHYzfnkgdSxdtVtPINUKVLLY-0-797ea4222727439d7ee5b8ab266e6b60)
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/image_22_5_m.jpg?sign=1738857445-Z4j94vkzAV44DtbdXH9bqQFkZB3IcihF-0-e93e205075909d66277bf6e83cffc8a1)
• 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=1738857445-ycmOYp3WbuE2sshEYJYdYwnpj8VnsPFj-0-bc159fb31a6c94c01ba9e39dfad80fa2)
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=1738857445-AYDJITLK2oRo3e5eODGvenh72JKgGEhm-0-4e23247d3b2ad6cb49358f421d39fb4e)
• 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=1738857445-MpCAloX4BHdhPGhcaC35h8QDSP1dAkuK-0-92e989d7418dcc7da0acbcd2fcff0844)
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=1738857445-mUM5k9W8nI5CMgzsrQ2p20bjE7BelVm8-0-b730185f7ebf45aa891c0e6566696039)
• 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=1738857445-yZI2e37MkrKKcrtDEjWv32b0TCYo3C3P-0-c8e747e05ba684241fc179a1fa2b005c)
图1-11 SO类器件封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_2265_m.jpg?sign=1738857445-ovWkGI6vRG08usc50FKmdqzu8nDTJRc2-0-2d05268abe69a26b1b5ff880b3577a46)
• 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=1738857445-ffTVv7AdSqL6ISIe4yDzkkiXv2pv85fe-0-7a2144019fbebfc6e155b94a8505d100)
图1-12 QFP类器件封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_53636_m.jpg?sign=1738857445-byZFLBnyhclp2phL3KoztIejuWA2Xo3J-0-74b980465fa043fdf4473899920a29c7)
• 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=1738857445-kw3ZDgELX5lN7j29vBjmP9BJH0ANLLWt-0-f62d7feeb77139c63a3e21190f576dbe)
图1-13 QFN类器件封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_34223_m.jpg?sign=1738857445-zMVoC0PUmXxJG3MWE61uMpW2TyGqI8Xl-0-2a3bbf8ba9610093154119c47e0b74e0)
• 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=1738857445-4R1vjsGefU32hbadQ4axgkJwnFrdQ9jb-0-d529b0041ca04feeb5274d1d0b0890cb)
图1-14 BGA类器件封装