CBT-QFN DIRECT MOUNT, SOLDERLESS SOCKET FOR BURN-IN AND TEST APPLICATIONS 21.00 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 A1 M M 28.225 0.60 Compression DETAIL A SCALE 12 : 1 35.025 A 12.9 14.3 6.800 3.7 4.00 1.90 4.0 SECTION M-M 20.23 4.00 6.100 Description: CBT-QFN5 3x3mm w/ snap lid 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-7040 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: Material <not specified> Finish: Weight: 13.82 STATUS: Released SHEET: 1 OF 4 REV. A ENG: J. Vavra DRAWN BY: M. Raske SCALE: 2:1 FILE: CBT-QFN-7040 Dwg DATE: 04/24/2015 Hinge Side A1 location 1.05 thru all (x2) 0.025 A B 1.050 4X 2.200±0.100 THRU ALL 0.035 A B 3.00 1.50 8.00 (x2) 0.90 0.60 1.105 AD 8.00 (x2) 0.80 8.00 (x2) DETAIL AD SCALE 10 : 1 Latch Side Target PCB Requirements Total thickness: 1.6mm min. - 2.8mm max.. Plating: Gold or Solder finish. PCB Pad height: Same or higher than solder mask. Description: Recommended PCB Layout 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-7040 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: Material <not specified> Finish: Weight: 13.82 STATUS: Released SHEET: 2 OF 4 REV. A ENG: J. Vavra DRAWN BY: M. Raske SCALE: 5:1 FILE: CBT-QFN-7040 Dwg DATE: 04/24/2015 0.90±0.05 0.50±0.05 0.70±0.05 3.00±0.10 1.1050 TOP VIEW BOTTOM VIEW 0.85±0.05 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-7040 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: Material <not specified> Finish: Weight: 13.82 STATUS: Released SHEET: 3 OF 4 REV. A ENG: J. Vavra DRAWN BY: M. Raske SCALE: 20:1 FILE: CBT-QFN-7040 Dwg DATE: 04/24/2015 2 6 16 4 5 1 3 11 ITEM NO. 1 2 3 4 5 6 7 8 9 10 11 DESCRIPTION 12mm Plastic Snap Clamshell Socket Lid Clamshell Latch Snap Lid Socket Torsion Spring, 180 0.109" OD, Ccw/Rh Compression Plate 3x3 Dowel Pin, M1.5 X 20mm LG, 18-8 SS 2mm diameter Hinge Pin, 20 mm long Socket Head Cap Screw M2 8mm long Backing Plate 5 post Floating Guide Spring Stamped Pin, 0.4mm SBT-LGA/QFN Snap ring for 2mm Hinge pin 0.15" OD 12 CBT socket base 5.325x5.325mm snap type PPS 13 14 15 16 17 PCB QFN5 3x3mm Bottom Pogo Guide QFN5 3x3mm TChip QFN5 3x3mm Wave spring 4 lbs 0.375" OD 0.15" ln Top guide QFN5 3x3mm #0-80, 90 deg., head pin guide screw, Peek material Dowel Pin, M1 x 6mm, STL Material <not specified> Semitron MDS 100 FR4 High temp Plain Carbon Steel Semitron MDS 100 18 19 7 Material PPS/Ultem PPS/Ultem Steel Music Wire 7075-T6 Alumium Alloy AISI 347 Annealed Stainless Steel (SS) Alloy Steel Stainless Steel (316) 7075-T6 Alumium Alloy Alloy Steel (SS) N/A PEEK unfilled Alloy Steel (SS) 12 15 17 4.00 (x4) 19 4.00 16.00 (x4) 10 9 13 14 18 2.00 4.00 90° 8 M2x0.4 threads Description: Socket Specification 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-7040 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: Material <not specified> Finish: Weight: 13.82 STATUS: Released BACKING PLATE ISO View SHEET: 4 OF 4 REV. A ENG: J. Vavra DRAWN BY: M. Raske SCALE: 2:1 FILE: CBT-QFN-7040 Dwg DATE: 04/24/2015