Схемы, платы, компоненты

Задайте вопрос технологу того производства, где заказываете ПП... Вот и в доках, что привёл Snaky чёрным по русскому написано... The solder mask can be designed around each individual lead finger for lead pitches 0,65 mm and above. Check with your board fabrication site for solder-mask openings, but typically the NSMD openings are 0,1 mm to 0,14 mm larger than the lead finger pad size. For a lead pitch of 0,5 mm, it is recommended to design the solder mask around all pads on each side with a clearance of 0,05 mm or smaller, so consult your board fabrication site for tolerance requirements. Основная мысль so consult your board fabrication...