Megtron from Panasonic

Panasonic offers two HSLL multilayer systems to meet today's requirements for high speed network equipment, IC Testers, and high frequency measuring instruments. Both of these materials offer enhanced PB-assembly performance and CAF resistance.

Megtron 4, Tg=180'C, Td=362'C, Dk=3.8, Df=.005
Megtron 6, Tg=210'C, Td=410'C, Dk=3.5, Df=.002