GHz BGA Sockets-1.0mm; IC Size X (mm): 40; IC Size Y (mm): 40; IC Array X: 39; IC Array Y: 39; Max Pincount: 1521; Top Pitch (mm): 1; IC Ball Coplanarity (mm): 0.2; IC Ball Diameter Max (mm): 0.6; IC Ball Height Max (mm): 0.5; IC Ball Height Min (mm): 0.3; IC Size Tolerance (mm): 0.1; IC Total Height Max (mm): 3.5; Max Package Code: BGA1521; Backing Plate: yes; Cavity Down: no; Heat Sink: yes; IC Top Surface: Flat; Socket Lid: Screws; Part Description: GHz BGA Socket (ZIF)