M20 Connectors PC Tail Bottom Entry Female Connectors Suitable for use with M20-997 bottom entry pin headers A shown on page 116. Double row version (M20-785) can also be used as a top entry connector. 2.54 5.0 3.0 5.08 B ? single row A A 5.20 2.54 2.54 2.54 2.54mm (.100") Pitch Direction of Pin Entry 5.0 o1.20 5.0 5.08 3.0 o1.02 3.0 7.62 B Recommended PC Board Pattern Direction of Pin Entry 5.08 B Direction of Pin Entry Calculation double row A 2.54 2.54 A (2.54 x No. of ways per row) + 0.5 B 2.54 x (No. of ways per row - 1) 5.20 o1.20 2.54 TYP 5.0 5.08 2.54 7.62 o1.02 3.0 2.54 TYP o1.00 o1.20 7.62 B Recommended PC Board Pattern Direction of Pin Entry HOW TO ORDER M20 - 78 X XX XX Finish Series code 2.54 TYP TYPE 4 Single Row 5 Double Row 2.54 42 Gold + Tin 46 Tin No. of ways per row 02 to 40 7.62 www.harwin.com All dimensions in mm. 2.54 TYP o1.00 o1.20 105