系列封装PACKAGE INFORMATION Package Diagrams and Parameters Plastic Dual In-Line (PDIP) Family Symbol List for Ceramic Side Brazed Dual In-Line Package Parameters Symbol θ° A A1 L1 B B1 C D F E1 e eB L Description of Parameters Angular spacing between min. and max. lead positions measured at the gauge plane Base body thickness Distance between junction and base plane Distance between seating plane and base plane Width of terminal leads Width of terminal lead shoulder which locate seating plane (standoff geometry optional) Thickness of terminal leads Largest overall package parameter of length Largest overall package width parameter outside of lead Body width parameters not including leads Linear spacing of true minimum lead position center line to center line Linear spacing between true lead posit……