69.85mm [2.750"] 0.100" typ. 44.45mm [1.750"] Top View 13.2mm 19.58mm [0.771"] 4 8.30mm [0.327"] assembled 5.78mm [0.227"] 1 3 29.46mm [1.160"] 2 0.65mm typ. 12.22mm [0.481"] Side View 1 Substrate: 1.59mm ±0.18mm [0.0625" ±0.007"] FR4/G10 or equivalent high temp material. 17µm [1/2 oz.] Cu clad. SnPb plating. 3 Pins: shell material- Brass Alloy 360 1/2 hard; finish- 0.25µm [10µ"] Au over 1.27µm [50µ"] Ni (min.). Contact material- BeCu; finish 0.25µm [10µ"] Au over 2.54µm [100µ"] Ni (min. ). 2 Pins: material- Brass Alloy 360 1/2 hard; finish0.25µm [10µ"] Au over 1.27µm [50µ"] Ni (min.). 4 Test points: material- Phosphor Bronze; plating- Sn over 1.27µm [50µ"] Ni. Gold flash on contact end. Description: Carrier Adaptor (CA) 52 position(0.65mm pitch) QFP Zero Insertion Force socket with test points to leadless surface mount foot. 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. CA-QFE52SA-L-Z-T-01 Drawing © 1996 IRONWOOD ELECTRONICS, INC. PO BOX 21151 ST. PAUL, MN 55121 Tele: (651) 452-8100 www.ironwoodelectronics.com Status: Released Scale 2:1 Rev: C Drawing: V. Thao Date: 11/13/96 File: CA-QFE52SA-L-Z-T-01 Dwg Modified: 7/17/01