GHz BGA Sockets-1.27mm; IC Size X (mm): 40; IC Size Y (mm): 40; IC Array X: 31; IC Array Y: 31; Max Pincount: 961; Top Pitch (mm): 1.27; IC Ball Coplanarity (mm): 0.2; IC Ball Diameter Max (mm): 0.9; IC Ball Height Max (mm): 0.5; IC Ball Height Min (mm): 0.3; IC Size Tolerance (mm): 0.2; IC Total Height Max (mm): 3.5; Max Package Code: Backing Plate: yes; Cavity Down: no; Heat Sink: no; IC Top Surface: flat; Socket Lid: Swivel; Part Description: GHz BGA Socket (ZIF)-HD