BGA Spring Pin Sockets; IC Size X (mm): 15; IC Size Y (mm): 15; IC Size Tolerance (mm): 0.2; Top Pitch (mm): 0.8; IC Array X: 18; IC Array Y: 18; Max Pincount: 318; Max Package Code: BGA318A; Full Array: no; IC Ball Height Min (mm): 0.3; IC Ball Height Max (mm): 0.5; IC Ball Coplanarity (mm): 0.12; IC Ball Diameter Max (mm): 0.55; Part Description: Spring Pin (Pogo) Sockets;