QMSS-032-06.75-L-D-DP-PC4 F-219 QMSS-052-06.75-L-D-A QMSS-026-06.75-L-D-A (0.635 mm) .025" QMSS SERIES SHIELDED GROUND PLANE HEADER Integral metal plane for power or ground Board Mates: QFSS SPECIFICATIONS For complete specifications and recommended PCB layouts see www.samtec.com?QMSS Increased insertion depth for rugged applications Optional Power Pins Standoffs: SO Insulator Material: Liquid Crystal Polymer Terminal, Ground Plane & Shield Material: Phosphor Bronze Plating: Au over 50 " (1.27 m) Ni (Tin on Ground Plane Tail) Voltage Rating: 300 VAC mated with QFSS Operating Temp: -55 C to +125 C RoHS Compliant: Yes * Increased insertion depth (1.30 mm) .051" NOMINAL WIPE * Integral guide post Grounds to shield PROCESSING HIGH-SPEED CHANNEL PERFORMANCE Lead-Free Solderable: Yes SMT Lead Coplanarity: (0.10 mm) .004" max (026-078) Board Stacking: For applications requiring more than two connectors per board, contact ipg@samtec.com QMSS-DP/QFSS-DP @ 11 mm Mated Stack Height Rating based on Samtec reference channel. For full SI performance data visit Samtec.com or contact SIG@samtec.com QMSS RECOGNITIONS PINS PER ROW NO. OF PAIRS 14 Signal Pairs Differential routing G b p s 06.75 PLATING OPTION A TYPE For complete scope of recognitions see www.samtec.com/quality -L -026, -052, -078 ALSO AVAILABLE -016, -032, -048 (MOQ Required) * Headers without Alignment Pins * 8 Power Pins/End * 4 or 8 Power Pins/End for (2.36 mm) .093" thick board * Guide Post * Edge Mount * 64 (-DP) and 104 pins per row (16 pairs per bank = -D-DP) (21.35) .840 -PC4 = 4 Power Pins/End (N/A with -A) (7.26) .286 (0.23) .009 02 OTHER SOLUTIONS (0.25) .010 (6.35) .250 (3.18) .125 (6.35) .250 -D (2.00) .07874 Some lengths, styles and options are non-standard, non-returnable. -D-DP = Differential Pair = (5.50 mm) .217" DIA Polyimide film Pick & Place Pad (N/A with -PC4) 01 (6.73) .265 -D-DP (7.52) .296 (11.00) .433 Notes: Patented = Single-Ended (Tin on Signal Pin tails, and Ground Plane tails) QFSS QMSS -K -D No. of Banks x (21.34) .840 - (0.51) .020 (2.29) .090 (0.635) .025 APPLICATION = 10 " (0.25 m) Gold on Signal Pins, Shield and Ground Plane (52 total pins per bank 40 signals + 12 grounds to shield = -D) FILE NO. E111594 OTHER OPTION (2.31) .091 01 02 No. of Banks x (21.34) .840 + (13.21) .520 -PC4 (2.54) .100 See SO Series for precision machined standoffs. (2.54) .100 Due to technical progress, all designs, specifications and components are subject to change without notice. WWW.SAMTEC.COM All parts within this catalog are built to Samtec's specifications. Customer specific requirements must be approved by Samtec and identified in a Samtec customer-specific drawing to apply.