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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=1739294364-erOumOdJnWcIezD5mtvsPDTiomqKavqV-0-ba783112694ad266e255aed2815945e0)
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=1739294364-PHErgM6ORRQ6KJBnzdRtZ3zN6x7s1Mhz-0-d27676e7a85145ad317dc6be9f49e867)
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/image_22_5_m.jpg?sign=1739294364-grgt9hzSVB8cQsgSFsjE3ohmGxJ2juY1-0-31829b4eadd18ef2c64e501bc9802c57)
• 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=1739294364-VryPAIU3hAYqKSOwDCTvZQBWY1DPf9Kn-0-ad70ecdc1c857bf7ba43f6e1240b192d)
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=1739294364-aqnROOqNTDxoMpVbk9AFXZPQbNZ8EvsR-0-6811ea50d970b3b4ab2cb9332b07d0dc)
• 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=1739294364-fWcSovSmMjKlBmc5GE4O9jj04SsR4jGz-0-137fbbc60c2c743490a8f1a410c9d19e)
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=1739294364-uKaCSqwpzU7846E2ydDU9Kn7L83957u3-0-3aa5bd6b2566cd0ec871c02acfe6f79e)
• 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=1739294364-fxG0RtixMq1H1WPYaSU2W59J6iZFwFIH-0-0d4de599a1c6beb1f71028f9c224cf4d)
图1-11 SO类器件封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_2265_m.jpg?sign=1739294364-x0LKDlMzqvFdpwMHgmHWDEQTcD3ZKC7J-0-db93a31c223d7c0e3732861a5a94ac82)
• 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=1739294364-vwxlhrCEVZJvfdwCd6h755qT3WAxhbRx-0-466be71e7d825ad4483aa492b7e5a7c0)
图1-12 QFP类器件封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_53636_m.jpg?sign=1739294364-jl47fIHSvH8LUSpBEMhe6a82qizaLQ4H-0-5eae143b17624ee439ee4f9d6dd4bb7a)
• 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=1739294364-gLjqoidJtt2rHDy2tCoNvDQUAu32fCR0-0-ed2886078ac0e97d3e83d1564065aded)
图1-13 QFN类器件封装
![](https://epubservercos.yuewen.com/D256BD/16679180904811906/epubprivate/OEBPS/Images/cutq_23_34223_m.jpg?sign=1739294364-LBn8chKZEC6w23Cm8lVGTXmf58RUmDSi-0-5871690730020a237403dc9d8493eebd)
• 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=1739294364-Adg47zQI04hVv6oD1DgCcTgWWCgg4nW6-0-19348b58f2efd1165ab4041a315d8a7e)
图1-14 BGA类器件封装