LP Wizard
Reduce the time required to build CAD libraries by up to 91%. With LP Wizard, you'll build complex parts and the numerous features of CAD libraries in minutes, not hours. All parts are IPC-7351B compliant and built with unbelievable precision.
LP Wizard Appnotes
The following application notes support the LP Wizard default guidelines and represent important excerpts from the IPC-7351B standard that pertain to the LP Calculator.
Appnote 10836: Proportional Through-hole Padstacks
Tech Note: (PDF, 63kb) This through-hole padstack chart has a proportional annular ring. As the hole size increases the annular increases. View Tech Note
AppNote 10835: IPC-7251 Padstack Charts
Tech Note: (PDF, 100kb) IPC Standard Fabrication Levels A, B & C padstacks for through-hole technology. View Tech Note
AppNote 10834: Class Designation Letters For Reference Designations
Tech Note: (PDF, 34kb) IPC-2612-1 standard Reference Designator descriptions and component associations. View Tech Note
AppNote 10833: IPC-7251 & 7351 Padstack Naming Convention
Tech Note: (PDF, 109kb) ] For CAD tools that require padstacks, this is the IPC 7x51 standard for padstack names. View Tech Note
Appnote 10831: Electronic Component Zero Orientation For CAD Library Construction
Tech Note: (PDF, 544kb) Default Pin 1 locations for SMD component families from the IPC-7351 standard. View Tech Note
Appnote 10830: Inch to Metric Transition Tables for PCB Layout
Tech Note: (PDF, 98kb) Inch to Metric equivalents for the most common elements used in PCB design layout and CAD library construction. View Tech Note
AppNote 10832: IPC-7351B Naming Convention for Standard SMT Land Patterns
Tech Note: (PDF, 91kb) Standard IPC Land Pattern Naming Convention for both Surface Mount, Through-hole and Connector CAD library parts. View Tech Note