A new high-performance elastomer socket is designed for 0.65-mm-pitch BGA packages. The SG25-BGA-2051 socket is designed for a 8×8-mm package size and operates at bandwidths up to 52 GHz with less than 1 dB of insertion loss (GSSG configuration). The contact resistance is typically 20 mΩ/pin. Network analyzer reflection measurements for the G-S-S-G case were taken with all except the pins under consideration terminated into 50 Ω. The socket is mounted using supplied hardware on the target PCB with no soldering, and uses smallest footprint in the industry (only two mounting holes). The smallest footprint allows inductors, resistors and decoupling capacitors to be placed close to the device for impedance tuning. The socket also incorporates a simple swivel hardware installation method so ICs can be changed out quickly.
The SG25-BGA-2051 sockets are constructed with a high-performance and low-inductance elastomer contactor. The temperature range is -35 to +100°C. The pin self-inductance is 0.06 nH and mutual inductance of 0.019 nH. Capacitance to ground is 0.129 pF and mutual capacitance is 0.017 pF. Current capacity is 2 A/pin.
Pricing for the SG25-BGA-2051 is $434 at qty 1; with reduced pricing available depending on quantity required.
Ironwood Electronics, 1335 Eagandale Ct., Eagan, MN 55121, 952-229-8200 or (800) 404-0204, www.ironwoodelectronics.com