Toshiba
TOSHIBA Transistor Silicon PNP Triple Diffused Type
NEC => Renesas Technology
SILICON POWER TRANSISTOR
EPCOS AG
SAW RF low loss filter Digital radio
Panasonic Corporation
Silicon NPN epitaxial planar type darlington
ROHM Semiconductor
Low Freq. Power Amp. Epitaxial Planar NPN Silicon Darlington Transistor
SavantIC Semiconductor
Silicon NPN Power Transistors
ROHM Semiconductor
2SB1644Power Transistor ( -80V, -4A), 2SB1551 Power Transistor ( -80V, -10A)