Zetex => Diodes
SOT23 NPN SILICON PLANAR SMALL SIGNAL TRANSISTORS
Infineon Technologies
NPN Silicon AF Transistors
NXP Semiconductors.
NPN general purpose transistors
Siemens AG
NPN Silicon AF Transistors
Diotec Semiconductor Germany
Surface mount Si-Epitaxial PlanarTransistors
Semtech Electronics LTD.
NPN Silicon Epitaxial Planar Transistors
Diotec Semiconductor Germany
Surface Mount General Purpose Si-Epi-Planar Transistors