LD40044BD

LightKey Datasheet of 4.00 inch 4x4 Dot Matrix LED Display LM40044A/B Series – 4.00 inch 4x4 Dot Matrix LED Display ATTENTION OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC DISCHARGE SENSITIVE DEVICES Features ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Available options ¾ ¾ ¾ ¾ ¾ ¾ Alternative emitting luminosity: Standard or high brightness version Alternative emitted color Alternative dot color Alternative face Both CC and CA versions are available Cropped terminal pins 108.80 mm (4.00 inch) digit high Dot size: Diameter 20.00 mm Pitch: 27.20 mm Wide viewing angle Range of emitted colors I.C. compatible Low power consumption White dot, grey or black face RoHS compliant Package Dimensions Ø20.0(0.80 ) 2 7 . 2 × 3 = 8 1. 6 1 0 8 . 8( 4 . 3 5 ) PIN 1 27.2×3=81.6 108.8(4.35 ) 17.0 COL . 1 ROW 1 2 3 2 3 4 Ø0.80 5.08×3=15.24 Notes: 4 1. All dimensions are in millimeters (inches), Tolerance is + 0.25mm (0.01inch) unless other wise noted. 2. Specifications are subject to change without notice. 3. The gap between the reflector and PCB shall not exceed 0.25mm. SPEC NO: DS10121844 REV: A.4 CHECKED: Emily Zhou TEL: 0086-574-86322282 94 . 6 APPROVED: M.H. Lin PAGE: 1/3 HTTP://WWW.LTKEY.COM DATE: Jul/20/2011 http://www.Datasheet4U.com LightKey Internal Circuit Diagram LM40044A (Common Cathode Row) Datasheet of 4.00 inch 4x4 Dot Matrix LED Display LM40044B (Common Anode Row) C OL . 1 PI N 8 NO. PI N NO. 1 5 2 7 3 3 4 4 CO L . 1 PI N 8 NO. PI N NO. 1 5 2 7 3 3 4 4 2 6 2 6 ...