Designed for a 5.5 x 7 x 0.8-mm 50-pin Quad Flat No Lead (QFN) package with 0.4-mm-pitch connections, the SG-MLF-7078 high-performance elastomer socket operates at bandwidths to 10 GHz with an insertion loss of less than 1 dB, contact resistance typically 20 mΩ per pin, and current capacity of 2 A per pin. The socket is said to have the smallest footprint in the industry.
Priced at $351 in single quantities, the socket connects all pins with 10-GHz bandwidth on all connections and is mounted on the target PCB using supplied hardware with no soldering. The small footprint allows inductors, resistors, and decoupling capacitors to be placed very close to the device for impedance tuning, and a simple installation method lets ICs be changed out quickly. Pin self-inductance is 0.15 nH, mutual inductance is 0.025 nH, capacitance to ground is 0.01 pF, and temperature range is −35° to 100°C.
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