CBT-QFN DIRECT MOUNT, SOLDERLESS SOCKET FOR BURN-IN AND TEST APPLICATIONS Features • Wide temperature range (-55C to +155C). • High current capability (up to 2.2A). • 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. 24.0598 20.3108 4.4608 28.225 20.225 Description: CBT socket for 4.5mm x 4.5mm QFN 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-7008 Drawing Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 15.91 STATUS: Released SHEET: 1 OF 5 REV. B ENG: S. Faiz DRAWN BY: M. Raske SCALE: 3:1 FILE: CBT-QFN-7008 Dwg DATE: 3/21/2011 4.575±0.025 4.10 K 2.80 K 2.40 Press fit for 1/32" diameter dowel pins x2 places. 2.10±0.03 (x2) Lid Alignment Holes 7.50 4.10 2.0 0.80 typ. center pin spacing 11.00 0.40 typ. perimeter pin spacing 9.725 J 2.0 28.225 11.00 DETAIL J SCALE 6 : 1 0.75 1.52 7.50 2.95 7.4108 9.725 2.64 11.00 TOP VIEW 20.225 0.62 Pin height before compression Pin maximum compression: 1.725 Pin minimum compression: 1.515 Pin nominal compression: 1.62 Description: Cavity Detail 3.31 SECTION K-K SCALE 2 : 1 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-7008 Drawing ©2015 Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 15.91 STATUS: Released SHEET: 2 OF 5 REV. B ENG: S. Faiz DRAWN BY: M. Raske SCALE: 2:1 FILE: CBT-QFN-7008 Dwg DATE: 3/21/2011 14.5002 12.2250±0.1250 SOCKET BASE OUTLINE 4.8625 1.40 4.8625 4X 1.70±0.10 THRU NON-PLATED HOLE 2X 0.850±0.025 THRU NON-PLATED HOLE 12.225±0.125 0.40 4.8625 2.07 3.00 14.5002 2.8625 (x2) 4.8625 2.05 G 0.25 1.40 0.56 4.9498 DETAIL G SCALE 12 : 1 13.4897 14.5002 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-7008 Drawing ©2015 Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 15.91 STATUS: Released SHEET: 3 OF 5 REV. B ENG: S. Faiz DRAWN BY: M. Raske SCALE: 6:1 FILE: CBT-QFN-7008 Dwg DATE: 3/21/2011 4.50 A 3.00±0.10 +0.03 0.02 - 0.02 B 1.5000 0.1 C 0.08 C 1.50 4.50 3.00±0.10 0.40±0.10 0.1 C 0.90±0.10 0.1 C 0.40 typ. 1. 0.20±0.05 TYP Dimensions are in millimeters. Description: QFN32 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-7008 Drawing ©2015 Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 15.91 STATUS: Released SHEET: 4 OF 5 REV. B ENG: S. Faiz DRAWN BY: M. Raske SCALE: 16:1 FILE: CBT-QFN-7008 Dwg DATE: 3/21/2011 ITEM NO. 1 2 12 13 14 2 3 3 4 5 6 7 4 20 5 15 1 10 19 7 11 9 18 8 16 6 17 8 9 10 11 12 13 14 15 DESCRIPTION Material CBT double latch Socket Base for up to 7075-T6 Aluminum Alloy 7mm QFN 10x10mm clamshell latch 7075-T6 Aluminum Alloy CBT Snap double latch socket lid for up 7075-T6 Aluminum Alloy to 10mm IC CBT Compression Plate for 4.5x4.5mm 7075-T6 Aluminum Alloy IC Customer's chip QFN32 4.5mm x4.5mm High Temp FR4 0.4mm pitch Customer's target PCB for 4.5mm x High Temp FR4 4.5mm, 0.4mm pitch QFN32 CBT Pin Orientation Guide for 4.5mm x Kapton Polyimide 4.5mm, 0.4mm pitch QFN32 CBT Bottom Guide for 4.5mm x 4.5mm PEEK Ceramic filled 0.4mm pitch QFN32 CBT Top Guide for 4.5mm x 4.5mm, PEEK Ceramic filled 0.4mm pitch QFN32 IC Guide for 4.5mm x 4.5mm IC Ultem 1000 SBT Pin, 0.4mm pitch N/A Torsion Spring, 180 0.109" OD, Ccw/Rh Steel Music Wire Dowel Pin, M2 X 20mm LG, 18-8 SS AISI 347 Annealed Stainless Steel (SS) Dowel Pin, M1.5 X 20mm LG, 18-8 SS AISI 347 Annealed Stainless Steel (SS) Wave Spring 0.375" OD, 0.15" ID, 62 Stainless Steel (303) lbs/in 16 Washer, #0 x .025", Nylon Nylon 6/6 17 Alloy Steel 19 #0-80 X .313 LG, SOC HD CAP SCREW, ALLOY STL, BLK OXIDE #0-80X0.25", 90 deg., head pin guide screw, Peek material Dowel pin, 1/32" X 1/4", SS Stainless Steel (18-8) 20 Dowel Pin M2x6mm Stainless Steel (18-8) 18 PEEK unfilled 2.50 hole for thermocouple Description: Skt, Insulation Plate, Pin Det Rev A B PIN DETAIL 16:1 Scale 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-7008 Drawing ©2015 Ironwood Electronics, Inc. Tele: (800) 404-0204 www.ironwoodelectronics.com Material: N/A Finish: N/A Weight: 15.91 STATUS: Released Date 03/21/11 05/27/15 Initials MR DH Description Original Updated PCB layout page SHEET: 5 OF 5 REV. B ENG: S. Faiz DRAWN BY: M. Raske SCALE: 2:1 FILE: CBT-QFN-7008 Dwg DATE: 3/21/2011