Groomed for the company’s GHz BGA socket family, the HS-SG-6002 heat sink screw supports 31 mm x 31 mm to 42.5 mm x 42.5 mm package sizes and dissipates up to 16W with a fan mounted on top. In addition to heat dissipation, the heat sink screw also serves as a compression mechanism for the socket. It threads into the socket lid, which can swivel open from the socket base. The HS-SG-6002 heat sink screws are constructed with 7075 aluminum and exhibit a thermal resistance of 0.530 C/W. Single-unit pricing is $99. IRONWOOD ELECTRONICS, Burnsville, MN. (800) 404-0204.