BGA elastomer sockets operate up to 40 GHz with less than 1 dB insertion loss

A new high-performance elastomer socket for 0.4-mm pitch BGA packages is called the SG25-BGA-2042. Developed by Ironwood Electronics, the socket is designed for a 4.47×4.34-mm package size and operates at bandwidths up to 40 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 mounts using supplied hardware on the target PCB with no soldering and uses the smallest footprint in the industry. The small footprint allows inductors, resistors, and decoupling capacitors to sit close to the device for impedance tuning. The socket also incorporates a simple swivel hardware installation method so that ICs can be changed out quickly.

The SG25-BGA-2042 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 0.017pF. Current capacity is 2 A/pin.

Pricing for the SG25-BGA-2042 is $318 at qty 1; with reduced pricing available depending on quantity required.

Ironwood Electronics, 1335 Eagandale Court, Eagan, MN 55121, USA, 800-404-0204, 952-229-8200, www.ironwoodelectonics.com