Loranger has designed a new DoubleDuty Kelvin ClamShell sockets  (P/N 04714 171 6218A) for Burn-in, Test and/or product Development that provides a double connection (Kelvin) to narrow QFN package pad. Plunger-style contacts are available for center pads of the package. The socket accommodates 0.5mm pitch having 17 I/Os with stamped contacts.Operating temperature goes to 175°C with durability of 50.000 insertions.