Transistors with built-in Resistor UN5111/5112/51.
Panasonic Semiconductor
UN5110 - Silicon PNP epitaxial planer transistor
Transistors with built-in Resistor UN5111/5112/5113/5114/5115/5116/5117/5118/5119/5110/ 511D/511E/511F/511H/511L/511M/511N/511T/511V/511Z Silicon PNP.