1)Supply all series of MAR SMD low power low noise high frequency transistors. 2)Replace the transistor of Philips, NEC, Toshiba, Hitachi, Infineon 3)Replacement of BFG520W,BFG540W etc 4)Frequency range:6GHZ-10GHZ 5)Package:JEDEC:SOT343 EIAJ:SC-61