CBT-QFN DIRECT MOUNT, SOLDERLESS SOCKET FOR BURN-IN AND TEST APPLICATIONS FEATURES: • Wide temperature range (-55C to +180C) • High current capability (up to 1.8A) • Excellent signal integrity at high frequencies • Low and stable contact resistance for reliable production yield • Highly compliant to accommodate wide co-planarity variations • Automated probe manufacturing enables low cost and short lead time 30.48 0.1080 DETAIL N SCALE 8 : 1 25.30 Recommended torque = 0.3 in-lbs 40.05 40.05 N 15.05 5.05 3.55 4.50 2.75 6.87 4.95 13.1250 25.90 14.11 40.95 Description: CBT-QFN32 4x3.5mm 0.4mm pitch Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams. Tolerances: Hole diameters ±0.03mm [±0.001"], Pitches (from true position) ±0.025mm [±0.001"], substrate thickness tolerance ±10%, all other tolerances ±0.13mm [±0.005"] unless stated otherwise. Materials and specifications are subject to change without notice. CBT-QFN-7032 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 40.86 STATUS: Released SHEET: 1 OF 5 REV. C ENG: S. Huang DRAWN BY: M. Raske SCALE: 3:2 FILE: CBT-QFN-7032 Dwg DATE: 10-1-13 20.225±0.125 Socket base size 1.60 1.71±0.10 (x4) NPT mounting hole Orientation Mark 0.85±0.05 (x2) NPT alignment hole 30.2250±0.1250 Socket lid size 28.2250±0.1250 Socket base size 12.2250±0.1250 Non component area 2 1.645 2.40 P 1.80 3 0.45 x 0.30 pad (x32) 0.65 2.40 3.20 9.725±0.050 (x4) 25.300±0.125 Socket lid size Target PCB Recommendations Total thickness: 1.6mm min. Plating: Gold or Solder finish SBT spring pin contact locations (DO NOT place vias in these locations) Description: Recommended PCB Layout DETAIL P SCALE 8 : 1 Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams. Tolerances: Hole diameters ±0.03mm [±0.001"], Pitches (from true position) ±0.025mm [±0.001"], substrate thickness tolerance ±10%, all other tolerances ±0.13mm [±0.005"] unless stated otherwise. Materials and specifications are subject to change without notice. CBT-QFN-7032 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 40.86 STATUS: Released SHEET: 2 OF 5 REV. C ENG: S. Huang DRAWN BY: M. Raske SCALE: 4:1 FILE: CBT-QFN-7032 Dwg DATE: 10-1-13 4 1.27±0.09 0.40 3.50 1.80 0.33 Pin 1 2.40 0.30 Bottom view Side view Description: Compatible QFN Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams. Tolerances: Hole diameters ±0.03mm [±0.001"], Pitches (from true position) ±0.025mm [±0.001"], substrate thickness tolerance ±10%, all other tolerances ±0.13mm [±0.005"] unless stated otherwise. Materials and specifications are subject to change without notice. CBT-QFN-7032 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 40.86 STATUS: Released SHEET: 3 OF 5 REV. C ENG: S. Huang DRAWN BY: M. Raske SCALE: 20:1 FILE: CBT-QFN-7032 Dwg DATE: 10-1-13 5 7 2 6 ITEM NO. DESCRIPTION Material 1 Clam Shell Socket Lid 10mm IC 7075-T6 Aluminum Alloy 2 M6x1 fluted knob compression screw, Ni plated 7075-T6 Aluminum Alloy 3 Latch 6- 10mm Ni plated 7075-T6 Aluminum Alloy 4 Hinge Pin and Snap Ring, 2mm OD, 19mm long, SS Stainless Steel (ferritic) 5 Screw, M3 x 12mm, Low Head Cap, SS 18-8 Stainless Steel 6 Precision Compression Spring, ZincPlated Music Wire, 1/2" Length, .12" OD, .016" Wire Zinc Plated Music Wire 7 Spring Clamshell lid assembly Steel Music Wire 8 Dowel pin, 1/32" X 1/4", SS Stainless Steel (18-8) 9 10 Insulation Plate 7mm CBT Compression Plate 4x3.5mm IC Ultem 1000 7075-T6 Aluminum Alloy 11 #0-80 x 0.5, SH Cap Screw Alloy Steel 12 CBT Socket base 7mm 7075-T6 Aluminum Alloy 13 Clamshell Backing Plate, 7mm IC 4.5 Thick 7075-T6 Aluminum Alloy 14 Pin orientation guide 4x3.5mm IC 0.4mm QFN32 Kapton Polyimide/Cirlex 15 IC guide 4x3.5mm QFN32 0.5mm Torlon 4203 16 QFN32 0.4mm SBT Top spring pin guide Semitron MDS 100 17 QFN32 0.4mm SBT Bottom spring pin guide Semitron MDS 100 18 QFN32 IC, 4x3.5mm 0.4mm pitch High Temp FR4 19 PCB 0.4mm pitch 4x3.5mm IC QFN32 High Temp FR4 20 Stamped Pin, 0.4mm SBT-LGA/QFN N/A 21 #0-80, 90 deg., head pin guide screw, Peek material PEEK unfilled 1 3 10 4 12 18 15 8 16 14 20 17 21 9 19 13 11 Description: Socket Assy, detail Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams. Tolerances: Hole diameters ±0.03mm [±0.001"], Pitches (from true position) ±0.025mm [±0.001"], substrate thickness tolerance ±10%, all other tolerances ±0.13mm [±0.005"] unless stated otherwise. Materials and specifications are subject to change without notice. CBT-QFN-7032 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 40.86 STATUS: Released SHEET: 4 OF 5 REV. C ENG: S. Huang DRAWN BY: M. Raske SCALE: 1.75:1 FILE: CBT-QFN-7032 Dwg DATE: 10-1-13 7.25 14.725 2 9.725±0.050 (x4) 3 (x5) INS PLT and BK PLT Top View 0.75 4.50 INS PLT and BK PLT Side View SBT PIN scale 16:1 Rev Date Initials Description A 10/01/13 MR Original B 08/14/14 DH Changed IC Guide material to Torlon C 3/25/16 MR Replaced plastic screws with peek screws Description: Revisions Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams. Tolerances: Hole diameters ±0.03mm [±0.001"], Pitches (from true position) ±0.025mm [±0.001"], substrate thickness tolerance ±10%, all other tolerances ±0.13mm [±0.005"] unless stated otherwise. Materials and specifications are subject to change without notice. CBT-QFN-7032 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 40.86 STATUS: Released SHEET: 5 OF 5 REV. C ENG: S. Huang DRAWN BY: M. Raske SCALE: 3:1 FILE: CBT-QFN-7032 Dwg DATE: 10-1-13