Datasheet Summary
Transistors with built-in Resistor
UN8231/UN8231A
Silicon NPN epitaxial planer transistor
Unit: mm
For switching
6.9±0.1 0.7 4.0
1.05 2.5±0.1 ±0.05
(1.45) 0.8
0.65 max. q
0.45- 0.05
+0.1
Parameter Collector to base voltage UN8231 UN8231A
Symbol VCBO VCEO ICP IC PT- Tj Tstg
Ratings 20 60 20 50 1.5 0.7 1 150
- 55 to +150
Unit V
UN8231 Collector to emitter voltage UN8231A Peak collector current Collector current Total power dissipation Junction temperature Storage temperature
1 : Emitter 2 : Collector 3 : Base MT-2 Type Package
V A A W ˚C ˚C
R1(1kΩ)
Internal Connection
2.5±0.1 s...