CBT-QFN DIRECT MOUNT, SOLDERLESS SOCKET FOR BURN-IN AND TEST APPLICATIONS Features • Wide temperature range (-55C to +155C). • High current capability (up to 2.5A). • 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. 20.2208 24.06 4.3708 1.15 7.00 cutout 28.225 20.225 Description: CBT socket for 5mm x 5mm QFN40 Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams. Tolerances: Hole diameters ±0.0254mm [±0.001"], Pitches (from true position) ±0.0762mm [±0.003"], substrate thickness tolerance ±10%, all other tolerances ±0.127mm [±0.005"] unless stated otherwise. Materials and specifications are subject to change without notice. CBT-QFN-7017 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 14.92 STATUS: Released SHEET: 1 OF 5 REV. E ENG: E. Smolentseva DRAWN BY: E. Smolentseva SCALE: 3:2 FILE: CBT-QFN-7017 Dwg DATE: 7/21/2011 Press fit for 1/32" diameter dowel pins x2 places. 2.10 (x2) Lid Alignment Holes K K 5.075±0.025 4.65 3.60 9.7250 2.00 2.00 9.725 A 3.00 1.00 typ. center pin spacing 0.40 typ. perimeter pin spacing 0.40 typ. perimeter pin spacing Pockets to insert tweezers 2.5mm x 22.5 degree chamfer 0.75 DETAIL A SCALE 6 : 1 1.41 2.95 2.66 0.58 pin before compression 3.8250 Description: Cavity Detail Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams. Tolerances: Hole diameters ±0.0254mm [±0.001"], Pitches (from true position) ±0.0762mm [±0.003"], substrate thickness tolerance ±10%, all other tolerances ±0.127mm [±0.005"] unless stated otherwise. Materials and specifications are subject to change without notice. CBT-QFN-7017 Drawing ©2015 Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 14.92 STATUS: Released SECTION K-K SCALE 2 : 1 SHEET: 2 OF 5 REV. E ENG: E. Smolentseva DRAWN BY: E. Smolentseva SCALE: 2:1 FILE: CBT-QFN-7017 Dwg DATE: 7/21/2011 12.2250±0.1250 Socket Base Outline 7.00 1.679 (X2) 0.40 TYP 1.55 0.850±0.025 (x2) Non-Plated Hole 4.8625 2.325 2.8625 4.9498 14.5002 1.8625 4.8625 0.82 B 1.70±0.10 (x4) Non-Plated Hole 3.60 4.8625 0.25 4.8625 DETAIL B SCALE 12 : 1 13.4897 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 ±0.0254mm [±0.001"], Pitches (from true position) ±0.0762mm [±0.003"], substrate thickness tolerance ±10%, all other tolerances ±0.127mm [±0.005"] unless stated otherwise. Materials and specifications are subject to change without notice. CBT-QFN-7017 Drawing ©2015 Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 14.92 STATUS: Released SHEET: 3 OF 5 REV. E ENG: E. Smolentseva DRAWN BY: E. Smolentseva SCALE: 6:1 FILE: CBT-QFN-7017 Dwg DATE: 7/21/2011 5.00±0.10 0.85±0.05 0.400±0.050 0.20 0.40 5.00±0.10 0.20±0.05 +0.03 0.02 - 0.02 3.60±0.10 1. Dimensions are in millimeters. Description: QFN40 Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams. Tolerances: Hole diameters ±0.0254mm [±0.001"], Pitches (from true position) ±0.0762mm [±0.003"], substrate thickness tolerance ±10%, all other tolerances ±0.127mm [±0.005"] unless stated otherwise. Materials and specifications are subject to change without notice. CBT-QFN-7017 Drawing ©2015 Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 14.92 STATUS: Released SHEET: 4 OF 5 REV. E ENG: E. Smolentseva DRAWN BY: E. Smolentseva SCALE: 16:1 FILE: CBT-QFN-7017 Dwg DATE: 7/21/2011 ITEM NO. 1 3 20 4 2 DESCRIPTION 10x10mm clamshell latch CBT Compression Plate for 4.5x4.5mm IC 7075-T6 Aluminum Alloy 3 Torsion Spring, 180 0.109" OD, Ccw/Rh Steel Music Wire 4 11 5 2 1 18 5 16 10 17 13 14 15 7 12 6 6 Washer, #0 x .025", Nylon Nylon 6/6 7 #0-80 X .188" LG FL HD, Slotted, Polypropylene Dowel pin, 1/32" X 1/4", SS PP Homopolymer Stainless Steel (18-8) 9 M2 Dowel Pin 4mm SS Stainless Steel (18-8) 10 CBT double latch Socket Base for up to 7mm QFN CBT Snap double latch socket lid for up to 10mm IC 7075-T6 Aluminum Alloy 12 QFN40C Test PCB Material <not specified> 13 Kapton Polyimide 14 CBT Pin Orientation Guide for 5mm x 5mm, 0.4mm pitch QFN40 CBT Bottom Guide for 5mm x 5mm 0.4mm pitch QFN40 PEEK Ceramic filled 15 QFN40C SBT Top Guide PEEK Ceramic filled 16 SBT Pin, 0.4mm pitch N/A 17 IC Guide for 5mm x 5mm IC Torlon 4203 18 QFN40C 5x5mm IC Material <not specified> 19 Snap ring for 2mm Hinge pin 0.15" OD 20 2mm diameter Hinge Pin, 20 mm long #0-80 X .375 LG, SOC HD CAP SCREW, ALLOY STL, BLK OXIDE Nut, #0-80, SS 11 21 8 Dowel Pin, M1.5 X 20mm LG, 18-8 SS AISI 347 Annealed Stainless Steel (SS) Wave Spring 0.375"OD 0.15" ln Steel Music Wire 100lbs/in 8 19 9 22 21 22 PIN DETAIL 13:1 Description: Skt, Insulation Plate, Pin Det ©2015 Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 14.92 7075-T6 Aluminum Alloy Alloy Steel Alloy Steel Stainless Steel (18-8) Rev Date A 7/22/11 ELS Original B 1/15/14 GL M2 X 6mm Dowel Pin chg'd to M2 x 4mm C 05/13/14 DH Changed IC guide material to Torlon D 05/27/15 DH E ELS Updated PCB layout page 1) Changed description on page 4 from QFN32 to QFN40. 7/8/15 Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams. Tolerances: Hole diameters ±0.0254mm [±0.001"], Pitches (from true position) ±0.0762mm [±0.003"], substrate thickness tolerance ±10%, all other tolerances ±0.127mm [±0.005"] unless stated otherwise. Materials and specifications are subject to change without notice. CBT-QFN-7017 Drawing Material 7075-T6 Aluminum Alloy STATUS: Released Initials Description SHEET: 5 OF 5 REV. E ENG: E. Smolentseva DRAWN BY: E. Smolentseva SCALE: 1:1 FILE: CBT-QFN-7017 Dwg DATE: 7/21/2011