common 7-segment display size

  • 0.36" - 0.56" - 0.8" - 1" - 1.2" - 1.5" - 2" - 2.3" - 3" - 4"

common driving methods

  • common-anode
  • common-cathode

models

5161AS == 0.56" 1-digi common-cathode / 5161BS == 0.56" 1-digi common-anode

ref