QFN Socket - Direct mount, solderless Features Directly mounts to target PCB (needs tooling holes) with hardware. High speed, reliable SBT-Pin connection Minimum real estate required Compression plate distributes forces evenly Easily removable swivel socket lid Exploded View 1 Compression screw: Clear hard anodized Aluminum. Thickness = 5mm, Hex socket = 5mm. Recommended torque = 1 in-lb. 2 Socket Lid: Black hard anodized Aluminum. Thickness = 2.5mm. 3 Compression Plate: Black hard anodized Aluminum. Thickness = 2.5mm. 4 Socket base: Black hard anodized Aluminum. Thickness = 5mm. 5 Pin guides: Ceramic Filled Peek. 6 SBT-Pin Interconnect: BeCu, Au Plated contacts. 7 Socket lid screw: Shoulder Screw, 18-8 SS, 0-80 fine thread. 8 Socket base screw: Socket head cap, alloy steel with black oxide finish, 0-80 fine thread , 9.525mm long. 9 IC Guide: Ultem 10 Nylon washer: 1.73mm ID; 4.78mm OD 0.64mm thickness. 1 7 2 3 custom IC 4 9 5 6 target PCB 10 8 Scale: - SBT-QFN-4005 Drawing Status: Released © 2010 IRONWOOD ELECTRONICS, INC. 11351 Rupp Drive, Suite 400, Burnsville, MN 55337 Tele: (952) 229-8200 www.ironwoodelectronics.com Drawing: S. Faiz Date: 7/13/2012 File: SBT-QFN-4005 Dwg.mcd Modified: Rev: A All tolerances: ±0.125mm (unless stated otherwise). Materials and specifications are subject to change without notice. PAGE 1 OF 3 Recommended PCB Layout Top View Orientation Mark 4.5125mm* 1.60mm x 1.60mm thermal /GND pad 1.25mm±0.125mm (x4) 0.6mm typ. Ø 0.85mm±0.025mm (x2) Non plated alignment hole 1.25mm±0.125mm (x4) 3.5375mm 2mm 1.3mm Socket Body Size Pogo pin locations for the center pad 2.65mm 0.6x0.25mm pad (x8) 1.8mm 3mm 0.8mm 0.3x0.6mm pad (x6) Ø 1.71mm±0.1mm (X4) Non plated mounting hole 1.2mm 2.65mm 9.725mm (x4) 12.225mm±0.125mm (x4) Target PCB Recommendations Total thickness: 1.6mm min. Plating: Gold or Solder finish PCB Pad height: Same or higher than solder mask Recommended PCB Layout Tolerances: ±0.025mm [±0.001”] unless stated otherwise. Scale: 4:1 SBT-QFN-4005 Drawing Status: Released © 2010 IRONWOOD ELECTRONICS, INC. 11351 Rupp Drive, Suite 400, Burnsville, MN 55337 Tele: (952) 229-8200 www.ironwoodelectronics.com Drawing: S. Faiz Date: 7/13/2012 File: SBT-QFN-4005 Dwg.mcd Modified: Rev: A PAGE 2 OF 3 Top View 0.55mm±0.1mm Bottom View 3.2mm 0.35mm 1.6mm 0.25mm 8 11 3.2mm 2.65mm 1.6mm 0.6mm 4 14 1 0.35mm 0.3mm Pin 1 0.4mm typ. 2.65mm 0.1mm±0.05mm all around Scale: - SBT-QFN-4005 Drawing Status: Released © 2010 IRONWOOD ELECTRONICS, INC. 11351 Rupp Drive, Suite 400, Burnsville, MN 55337 Tele: (952) 229-8200 www.ironwoodelectronics.com Drawing: S. Faiz Date: 7/13/2012 File: SBT-QFN-4005 Dwg.mcd Modified: Rev: A PAGE 3 OF 3