Sockets for 0.65-mm-pitch LGAs

-- Test & Measurement World, 3/28/2008 8:57:00 AM

Ironwood Electronics has introduced LGA sockets for 0.65-mm-pitch LGA devices. The XG-LGA-7000 sockets are designed for a 12-mm package size and operate at bandwidths to 40 GHz with less than 1 dB of insertion loss. The sockets are designed to dissipate several watts without extra heat sinking and can handle up to 100 W with custom heat sink. The contact resistance is typically 50 milliohms per pin.

The XG-LGA-7000 is constructed with a low inductance elastomer with a gold-plated, barbed pad connecting to the IC pad. The temperature range is -40 degrees C to +155 degrees C. The pin self inductance is 0.11 nH, and mutual inductance is 0.028 nH. Capacitance to ground is 0.028 pF. The socket accommodates IC packages such as the 12X12 LGA with 0.65-mm pads in a 17x17 array. Current capacity is 5 A per pin. In addition the open lid option (XG-LGA-7001) allows probing of thedie or direct injection of heat or cooling air.

Base price: $1397 in quantities of one.

www.ironwoodelectronics.com

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