Datasheet Summary
Transistors with built-in Resistor
UN4121/4122/4123/4124/412X/412Y
Silicon PNP epitaxial planer transistor
For digital circuits q q s Resistance by Part Number q q q q q q
UN4121 UN4122 UN4123 UN4124 UN412X UN412Y
(R1) 2.2kΩ 4.7kΩ 10kΩ 2.2kΩ 0.27kΩ 3.1kΩ
(R2) 2.2kΩ 4.7kΩ 10kΩ 10kΩ 5.0kΩ 4.6kΩ
0.7±0.1
1.27 1.27 2.54±0.15
1 : Emitter 2 : Collector 3 : Base New S Type Package s...