Probing Adapters: QFP w/ZIF Sockets; Top Package Code: QFE52SF; Bottom Package Code: QFE52SF; Top Pitch (mm): 1; Bottom Pitch (mm): 1; Top Pin Count: 52; Bottom Pin Count: 52; Top Interface: Clam-Shell ZIF; Bottom Interface: Leadless Foot; Header Spacing (mm): 2.54; IC Package Lead Tip to Tip (mm): 17.6 x 17.6; Compatible Part 1: SF-QFE52SF-L-01; Part Description: QFP Probing Adaptor;