Archer Connectors – M50 Female Vertical Surface Mount, Low Profile Suitable for use with male connectors on pages 108 to 109. Locating pegs (posts) available to ensure correct positioning on the board. Dual entry connector can be used as either top or bottom entry. Calculation 3.6mm high without Posts A 1.27mm (.050") Pitch B A B + 1.73 B 1.27 x (No. of contacts per row - 1) B A 0.90 3.40 2.10 5.70 2.20 3.10 1.27 C 3.60 0.15 0.65 1.27 0.42 4.65 1.27 Recommended PC Board Pattern 4.50 2.2mm high with Posts, dual entry A Ø0.55 0.45 B Calculation 1.27 3.40 0.90 Ø0.55 B + 1.67 B 1.27 x (No. of contacts per row - 1) C B – 1.27 B 2.20 C A 4.65 0.71 2.20 1.27 Ø0.71 1.27 1.27 5.50 Ø0.70 0.45 B C 1.27 Recommended PC Board Pattern HOW TO ORDER M50 - 31 X XX XX B 0.71 2.20 1.27 Series code Ø0.71 FINISH 1.27 5.50 TYPE 2 3.6mm high without posts 5 2.2mm high with Cposts, dual entry Ø0.70 No. OF CONTACTS PER ROW 03 to 50 All dimensions in mm. www.harwin.com 106 42 Gold + Tin (M50-315) 45 Gold (M50-312)