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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=1739262002-2CFtWCeQYSANIctfllE4OfxO5qgROArM-0-0b9d5975ebf42d27164d0dedb0919d63)
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=1739262002-NIvPx9f7emXGcJ6aVfLPMLrsDKNkX0OI-0-c21fcad6249f22ef8fa4d6f83ae52008)
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/image_22_5_m.jpg?sign=1739262002-VQS9qxPzbhr3ADmFi9b1xm2sqgmEUOOi-0-ea15670080b2d63f2bb62191bccff512)
• 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=1739262002-qU32xaQoeDF5GcAWbUrK4d6Jtv7Gc0He-0-e1f02138984748f55b8bdea04be01348)
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=1739262002-wD0O5vUAzJFm3fRe8JyuRo1vRXwMLutX-0-7f0a5f447c54607d56355eb8eb273bb2)
• 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=1739262002-D4bJZgHJ7aCyZwW2IDU3yOqYHn69LF58-0-5c0f10df91582dc2ab8e399201ff41f8)
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=1739262002-lVORepR6uMyVjBeEHhr2RXQjSo9BAGpl-0-527dc9fc9e6665249803222001431442)
• 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=1739262002-ppY6O8LFB2Y3X0bTwRlVH01WkHzE6hha-0-989a8394fc82d28d80f65268ca1f590b)
图1-11 SO类器件封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_2265_m.jpg?sign=1739262002-BTomGHevMMyu0BRhGNeCillzDEmk4v6G-0-4b7b1bc93ee7f34ce1662e754b678c3d)
• 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=1739262002-dJ1szPAOqp9njnEzjerQuQNqxKAWZ5L3-0-67aeeae9cdee084b69b878d1de5db1ef)
图1-12 QFP类器件封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_53636_m.jpg?sign=1739262002-rWPF9AvEhhco4AhTTZg41n4lL76ZsG1c-0-f318549244dd388c41802beddb34d169)
• 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=1739262002-2dufs7HfWANCJkOGdEoStMjDh1ZFNodv-0-3bc25603b5ea1935837ba25ff1058a21)
图1-13 QFN类器件封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_34223_m.jpg?sign=1739262002-H3J3czMOHoNYuFvNW81VG58teFRUQJX8-0-4406fca526d801a91a6c024c97f4b9a8)
• 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=1739262002-yVyexyOsGGcpqBJ0Ur0SIYoFUAjG2lxK-0-aadf0b5e10809b3cbd5a10422ae9e637)
图1-14 BGA类器件封装