BGA Socket
Ironwood Electronics (Burnsville, MN) now offers a BGA socket for 0.5mm pitch 51 pin BGA. The SG-BGA-7154 socket is designed for 4mm × 4mm × 0.8 mm package size and operates at bandwidths up to 10 GHz with less than 1 dB of insertion loss. The contact resistance is typically 20 milliohms per I/O. The socket connects all pins with 10 GHz bandwidth on all connections. The socket is mounted using supplied hardware on the target PCB with no soldering, and its small footprint allows inductors, resistors, and decoupling capacitors to be placed very close to the device for impedance tuning.
The socket is designed to verify the function of an IC in a development system, specifically all currently used UMTS (Universal Mobile Telecommunications System) bands. It is constructed with low inductance gold-plated embedded wire on elastomer as interconnect material between device and PCB. The temperature range is -35 to 100°C. The pin self inductance is 0.15 nH and mutual inductance of 0.025 nH. Capacitance to ground is 0.01 pF. Current capacity is 2 amps per pin.
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