63.50mm [2.500"] 2.54mm typ. [0.100"] 50.80mm [2.000"] Top View 1 26.58mm [1.047"] 4 28.50mm [1.122"] assembled 3 6.35mm [0.250"] 2 See SF-QFE44SH-L-01 0.80mm typ. [0.031"] 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. 2 Pins: material- Brass Alloy 360 1/2 hard; finish0.25µm [10µ"] Au over 1.27µm [50µ"] Ni (min.). 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. ). 4 Test points: material- Phosphor Bronze; plating- Sn over 1.27µm [50µ"] Ni. Gold flash on contact end. Description: Carrier Adaptor (CA), QFP 44 position QFP ZIF socket with test points to 44 position QFP surface mount foot (leadless). Two-piece part utilizes pluggable mini-grid array (MGA) intermediate interface. Additional surface mount feet, SF-QFE44SH-L-01, are available separately. Interconnections are 1:1. 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-QFE44SH-L-Z-T-01 Drawing © 2001 IRONWOOD ELECTRONICS, INC. PO BOX 21151 ST. PAUL, MN 55121 Tele: (651) 452-8100 www.ironwoodelectronics.com Status: Released Scale: 2:1 Rev: A Drawing: E Smolentseva Date: 11/13/01 File: CA-QFE44SH-L-Z-T-01 Dwg.mcd Modified: