PCB 设计常识

Powermyworkroom12004-7-9PCB1.PCBPCBPCBEMCEMI2.PCBPCBPCB3.viaBlindviaBuriedviaThroughviaComponentholeStandoff4./TS—S0902010001PCBTS—SOE0199001TS—SOE0199002IEC60194PrintedCircuitBoarddesignmanufactureandassembly-termsanddefinitionsIPC—A—600FAcceptablyofprintedboardIEC609505.5.1PCB5.1.1PCBTGPCBFR—4TG5.1.2PCBPCBOSP””””—20mil40mil5mil40mil45mil50mil55mil……40mil4mil36mil32mil28mil24mil20mil16mil12mil8mil.PCB1DPCB/D1.0mmD+0.3mm/+0.15mm1.0mmD2.0mmD+0.4mm/0.2mmD2.0mmD+0.5mm/0.2mm1mil5.3.2PCBPCB5.3.3SMT5.3.45.3.5PIN5.3.65.3.75.3.8PCB5.3.95.3.10PCB5.45.4.1PCBAPCBPCBA625.4.2=/A0.075g/mm2A0.300g/mm2JA0.200g/mm2A0.100g/mm2BOTTOM5.4.4SMT1)21——PCBTHD2——PCBSMD3———THD—PCBSMDTHD4————THD———PCBSMDTHD5———————PCBSMDTHD6————————THD———PCBSMDTHDLBBLLB)3340603080512061206SOTSOIC06.31.271.271.271.521.522.542.541.2708051.271.271.271.521.522.542.541.2712061.271.271.271.521.522.542.541.2712061.271.271.271.521.522.542.541.27SOT1.521.521.521.521.522.542.541.27321635281.521.521.521.521.522.542.541.27BBBBB中国连接资讯Powermyworkroom72004-7-9Min1.0mm60.6mm--1.0mm7d1Xd2D1D2Y75.4.10BGA3mmBGA3mm5mmBGABGABGA5mm5.4.1180.3mm0.13*h+0.3mmh1.5mmXY85.4.125mm9XpitchX=0.6*pitchY=+16~20milXYXYD1=D2d1=d2PCBXYh—CUT1mm5.4.13PCBA5.4.145.4.155.4.165.4.175.4.18a.300mmPCBPCBPCBb.c.PCB10d.pitch0.65mmQFPSOPBGA10mmSMT2mme.10mm10mm5mm://—CUT0.75mm0.3mm5.5.25.5.35.5.45()mmmmM22.40.1φ7.1M2.52.90.1φ7.6M33.40.1φ8.6M44.50.1φ10.6GB9074.4—8M55.50.1φ12Chobert44.10-0.2φ7.61189-28122.80-0.2φ6Avtronuic1189-25122.50-0.2φ6ST2.2*2.40.1φ7.6ST2.93.10.1φ7.6GB9074.18—88ST3.53.70.1φ9.6*2.80.1φ7.655.5.56DmmLmmmmL*DM22.40.1LDφ7.6(L+4.7)M2.52.90.1φ7.6(L+4.7)M33.40.1φ8.6(L+5.2)M44.50.1φ10.6(L+6.1)GB9074.4—8M55.50.1φ12(L+6.5)65.65.6.15.6.2BGA12mil5.6.3SMT10mil6mil5.6.4SMTDPAK5.6.5167milmil1225163020352440325075.6.65.75.7.1PCB13=110milD=80milD1=90mild=40mil14110mil90mil10mil30Z1580mil40mil……Hn5.8.25.8.3PCB5mil5.8.45.8.55.8.6PCBPCBPCB42*65.8.7PCBPCB5.8.8PCB5.8.9PCB“CAUTIONForContinuedProtectionAgainstRiskofFireReplaceOnlyWithSameTypeandRatingofFuse”PCB5.9.2PCBPCB40mil“DANGER!HIGHVOTAGE”16165.9.3PCB5.9.4PCBPCBULUL5.9.5PCBPCB10N5.9.6DANGER!!!HIGHVOLTAGE—34—56—78—910—115.9.132mm8mm1-22-33-44-55-66-77-88-99-1010-1111-121.6mm0.360.710.362.0mm0.361.130.362.5mm0.401.530.403.0mm0.401.930.401.6mm0.240.330.210.330.242.0mm0.240.460.360.460.242.5mm0.240.710.360.710.243.0mm0.240.930.400.930.241.6mm0.140.240.140.240.140.240.142.0mm0.240.240.240.240.240.240.242.5mm0.400.240.360.240.360.240.403.0mm0.400.410.360.410.360.410.401.6mm0.140.140.140.140.140.140.140.140.142.0mm0.240.140.240.140.140.140.240.140.242.5mm0.240.240.240.240.210.240.240.240.243.0mm0.240.330.240.330.360.330.240.330.242.0mm120.140.140.140.140.140.140.140.140.140.140.142.5mm120.240.140.240.140.240.140.240.140.240.140.243.0mm120.240.240.240.240.240.240.240.240.240.240.2485.10PCB://~5.12.155.12.2PCB()2dd/21.27mm1.27