CBT-QFN DIRECT MOUNT, SOLDERLESS SOCKET FOR BURN-IN AND TEST APPLICATIONS Features • Wide temperature range (-55C to +180C). • High current capability (up to 4A). • Excellent signal integrity at high frequencies. • Low and stable contact resistance for reliable production yield. • Highly compliant to accommodate wide co-planarity variations. 38.82 3.62 2.32 25.48 32.23 Description: CBT socket for 3mm x 3mm, 4x4 array, 0.5mm pitch QFN chip 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-7006 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 35.55 STATUS: Released SHEET: 1 OF 5 REV. B ENG: S. Faiz DRAWN BY: M. Raske SCALE: 3:2 FILE: CBT-QFN-7006 Dwg DATE: 1/25/2011 *Note: QFN pattern is not symmetrical with respect to the mounting holes. It is offset 0.25mm to the right of center. 0.50 typ. 0.28 1.58 12.225±0.125 socket base outline 0.25 0.50 4.3625 0.69 0.25 0.850±0.025 (x2) non plated alignment holes 3.6612 4.0525 DETAIL A SCALE 12 : 1 3.5275 4.8625 2.8625 2.4582 3.5147 4.5467 A 4.8625 2.4582 1.8625 R0.40 (x4) Orientation mark 4.8625 4.8625 Target PCB Recommendations Total thickness: 1.6mm min. 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-7006 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 35.55 1.70±0.10 (x4) non plated mounting holes STATUS: Released SHEET: 2 OF 5 REV. B ENG: S. Faiz DRAWN BY: M. Raske SCALE: 1:1 FILE: CBT-QFN-7006 Dwg DATE: 1/25/2011 3.00±0.15 0.50 typ. 0.8500 DETAIL A SCALE 32 : 1 0.40±0.10 0.24±0.06 A 1.5800 1. Dimensions are in millimeters. Description: 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-7006 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 35.55 STATUS: Released SHEET: 3 OF 5 REV. B ENG: S. Faiz DRAWN BY: M. Raske SCALE: 16:1 FILE: CBT-QFN-7006 Dwg DATE: 1/25/2011 ITEM NO. 1 9 6 1 2 DESCRIPTION Nickel plated version of M1976 Lid double latch for 10mm IC Dowel pin, 1/32" X 1/4", SS 8 3 Screw, #0-80 X .375", Flat, SS 4 Washer, #0 x .025", Nylon Nylon 6/6 5 5 Screw, M3 x 12mm, Low Head Cap, SS 18-8 Stainless Steel 7 6 7075-T6 Aluminum Alloy 9 Latch 6- 10mm Ni plated 7075-T6 Aluminum Alloy 10 Hinge Pin and Snap Ring, 2mm OD, 19mm long, SS CBT double latch Socket Base for 3mm QFN CBT Top Guide for 3x3mm QFN16 0.5mm pitch CBT Compression Plate for 3mm QFN16 Customer's target PCB Stainless Steel (ferritic) N/a 18 Customer's IC Pin Orientation Guide for 3x3mm QFN16 0.5mm pitch CBT Bottom Guide for 3x3mm QFN16 0.5mm pitch SBT-LGA/QFN Pogo Pin, 0.5mm-0.8mm Contact Mtrl: BeCu, Au Plated over Ni 19 Screw, #0-80 X .188", Flat, SS Stainless Steel (18-8) 20 Nut, #0-80, SS Stainless Steel (18-8) 11 13 14 15 15 11 2 3 18 16 19 12 4 17 20 14 Stainless Steel (18-8) 8 12 13 7075-T6 Aluminum Alloy Precision Compression Spring, ZincPlated Music Wire, 1/2" Length, .12" OD, .016" Wire Spring Clamshell lid assembly M6x1 fluted knob compression screw, Ni plated 7 10 Material 16 17 Zinc Plated Music Wire Steel Music Wire PEEK Ceramic filled PEEK Ceramic filled Ultem 1000 FR4 Kapton Polyimide PEEK Ceramic filled P-P150A Scale 16:1 Description: Skt, Insulation Plate, Pin Det 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-7006 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 35.55 STATUS: Released SHEET: 4 OF 5 REV. B ENG: S. Faiz DRAWN BY: M. Raske SCALE: 1:1 FILE: CBT-QFN-7006 Dwg DATE: 1/25/2011 Rev Date A 01/25/11 B 10/10/2013 Initials Description MR Original BMF Removed Obsolete Components Description: Revision History 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-7006 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: Finish: Weight: STATUS: Released SHEET: 5 OF 5 REV. B ENG: S. Faiz DRAWN BY: M. Raske SCALE: 3:2 FILE: CBT-QFN-7006 Dwg DATE: 1/25/2011