Clamshell test sockets for QFN's Spring loaded hinged lid latches to retain ICs Easy, repeatable access for test purposes High reliability, durability and temperature range Body material Glass Filled PES; Glass Filled PEI Contact material Beryllium Copper Contact plating Gold over Nickel Insulation resistance 10,000 MΩ (At 100 Vdc) Withstand voltage 500Vac for 1 minute Contact resistance 30mΩ (at 10mA) Operating temperature -40°C to 150°C Contact force 11gf per pin approx. 0.5mm pitch