无铅组装DFM设计指南(PDF8)PCB设计

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1DFM2PCBzPCB*FR4FR5PTFEPIBT......23FR-4BTPICE3.93.53.42.93.62.8Tg110~140130~160165~190175~200220~280180~26020BTPICEBTPICEFR-4PICENSWEFR-4εrεrTg4XXXPXXXPCG-10G-11FR-2FR-3FR-5FR-435PCBPCBzPCBTg¾PCBTgTgPCB¾PCBCTETgTgFR-4FR-46PCBz10Tg¾PCBCTETgTgFR-4FR-447PCB;PCBICTIMCIMC/89.5107/ENIGOSPHASL8OSPOSPENIG*SMTOSPOSPENIGOSPSMTOSPENIG59zz¾BLLBLB1.27/50SOPPitch1.27mm1.27/50WSTC301673431.02/40SOT231.52/6012061.27/5008051.27/5006031.02/400603B/Lmm/mil10z¾BB0.6/240.3/120.6/240.6/240.6/240.6/240.6/240.3/120.6/240.6/240.6/240.6/240.6/240.3/121.27/501.27/501.27/501.27/502.54/1002.54/1002.54/1002.54/100SOP2.54/1002.54/1002.54/100STC321673431.02/401.52/60SOT1.52/6006031810SOPSTC32167343SOT06031810(mm/mil)611z¾¾pitch2.0mm1.0mm1.0mmMin1.0mm12¾¾THD¾THD1.0mm¾THDpitch2.54mm0.5~1.0mm713zPCBA“”z14点•点••••815点••点••••10016

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