What is New in IPC-7351C.pdf - 第29页

PC B L ibr ar i es Pr e s ents : Wh at is N ew i n IPC- 7351C E IA C omponent D i mens i ons vs: JE DE C D i mens i onal Let ter s EIA & JED E C

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PCB Libraries Presents:
What is New in IPC-7351C
Zero Orientation with Pin 1 in Upper Left Corner Introduced
in 2007 in the IPC-7351A Publication – IPC-7351C “Level A”
Zero Orientation with Pin 1 in Lower Left Corner Introduced
in 2009 in the IEC 61188-7 publication – IPC-7351C “Level B”
Zero Component Orientation – Levels A & B
PCB Libraries Presents:
What is New in IPC-7351C
EIA Component Dimensions vs: JEDEC
Dimensional Letters
EIA & JEDEC
PCB Libraries Presents:
What is New in IPC-7351C
JEDEC Dimensional Characters