PC/104 Connectors A range of bus connectors compatible with the PC/104 industry standard for embedded PC applications, designed for stacking boards with a common bus. 32+32 contacts supports an 8-bit system. 20+20 contacts combined with 32+32 contacts supports a 16-bit system. B 2.54 Solder Tail = Ø1.02 Press-Fit Tail = Ø1.00-1.09 Plated Through Hole Calculation PC/104, PC/104 Plus A B + 3.20 B 2.54 x (No. of contacts per row - 1) C 2.54 x No. of contacts per row 2.54 Recommended PC Board Pattern SOLDER TAIL PRESS-FIT TAIL A + 0.36 A 4.90 5.00 11.10 11.05 2.54 Tail 0.64 x 0.60 B Tail 2.54 Press-Fit connector M20-615 supplied with spacer moulding 5.00 C 2.54 0.64 square 2.54 B B 3.80 HOW TO ORDER M20 - 61 X xx XX Series code Finish connector Type 05 Gold (M20-615, 616) 45 Gold (M20-610, 611) 0 Stackthrough, 12.20mm Solder Tail 1 Non-Stackthrough, 2.30mm Solder Tail 5 Stackthrough, 12.10mm Press-Fit Tail No. OF CONTACTS PER ROW 6 Non-Stackthrough, 3.40mm Press-Fit Tail 20, 32 All dimensions in mm. www.harwin.com 154