Transistors with built-in Resistor UN4221/4222/42.
Panasonic Semiconductor
UN4223 - Silicon NPN epitaxial planer transistor
Transistors with built-in Resistor UN4221/4222/4223/4224 Silicon NPN epitaxial planer transistor For digital circuits 4.0±0.2 3.0±0.2 Unit: mm q q.