# Footprints For all footprint names, append `_[part]` if the footprint is non-standard and to be used with a specific part. ## QFN `QFN[pitch]P[width]X[length]X[height]-[pins][pad]` - pitch: nominal pitch, mm/100 - width: nominal body width, mm/100 - length: nominal body length, mm/100 - height: maximum body height, mm/100 - pins: count - belly pad: P = pad, N = no pad QFN50P120X140X110-10P ## DFN `DFN[pitch]P[width]X[length]X[height]-[pins][pad]` - pitch: nominal pitch, mm/100 - width: nominal body width, mm/100 - length: nominal body length, mm/100 - height: maximum body height, mm/100 - pins: count - belly pad: P = pad, N = no pad ## SOP `SOP[pitch]P[width]X[height]-[pins][pad]` - pitch: nominal pitch, mm/100 - width: nominal span of leads, mm/100 - height: maximum body height, mm/100 - pins: count - belly pad: P = pad, N = no pad ## QFP ## BGA