Top View 30.48mm [1.200"] 1.27mm [0.050"] 1.27mm [0.050"] 1.27mm typ. A t b F w A a 25.40mm [1.000"] Side View 1.68mm [0.066"] 1 3.76mm [0.148"] Ø 0.20mm [0.008"] ±0.0005" 2 27.94mm [1.100"] 1 Substrate: 1.59mm ±0.18mm [0.0625" ±0.007"] FR4/G10 or equivalent high temp material. 2 Pins: material- Brass Alloy 360 1/2 hard; finish0.25µm [10µ"] Au over 1.27µm [50µ"] Ni (min.). Description: Giga-snaP BGA SMT Land Socket 437 position BGA surface mount land pattern to terminal pins (1.27mm [0.050"] centers, 23x19 array) Tolerances: diameters ±0.03mm [±0.001”], PCB perimeters ±0.13mm [±0.005”], PCB thicknesses ±0.18mm [±0.007"], pitches (from true position) ±0.08mm [±0.003"], all other tolerances ±0.13mm [±0.005”] unless stated otherwise. Materials and specifications are subject to change without notice. LS-BGA437A-31 Drawing © 2005 IRONWOOD ELECTRONICS, INC. PO BOX 21151 ST. PAUL, MN 55121 Tele: (651) 452-8100 www.ironwoodelectronics.com Status: Released Scale: 3:1 Rev: A Drawing: S.Natarajan Date: 6/3/05 File: LS-BGA437A-31 Dwg Modified: