Composite Transistors XP4312 Silicon NPN epitaxia.
Panasonic Semiconductor
XP4312 - Silicon NPN(PNP) epitaxial planer transistor
Composite Transistors XP4312 Silicon NPN epitaxial planer transistor (Tr1) Silicon PNP epitaxial planer transistor (Tr2) Unit: mm 0.425 1.25±0.1 0.42.