Transistors with built-in Resistor
UN1231/1231A
Silicon NPN epitaxial planer transistor
Unit: mm
6.9±0.1 2.5±0.1 1.0
F...
Transistors with built-in Resistor
UN1231/1231A
Silicon NPN epitaxial planer transistor
Unit: mm
6.9±0.1 2.5±0.1 1.0
For amplification of the low frequency
0.4
1.5 1.5 R0.9 R0.9
1.0±0.1
q
0.85
0.55±0.1
0.45±0.05
s Absolute Maximum Ratings
Parameter Collector to base
voltage UN1231 UN1231A Symbol VCBO VCEO IC ICP PT* Tj Tstg
(Ta=25˚C)
Ratings 20 60 20 50 0.7 1.5 1.0 150 –55 to +150 Unit
3
2
1
2.5
2.5
V
UN1231 Collector to emitter
voltage UN1231A Collector current Peak collector current Total power dissipation Junction temperature Storage temperature
1:Base 2:Collector 3:Emitter M Type Mold Package
V A A W ˚C ˚C
R1(1kΩ)
Internal Connection
1.25±0.05
C
B
R2 (47kΩ)
* Printed circuit board: Copper foil area of 1cm2 or more and thickness of 1.7mm for the collector portion.
E
s Electrical Characteristics
Parameter Collector cutoff current Emitter cutoff current Collector to base
voltage UN1231 UN1231A UN1231 UN1231A
(Ta=25˚C)
Symbol ICBO ICEO IEBO VCBO VCEO hFE VCE(sat) R1 R1/R2 Conditions VCB = 15V, IE = 0 VCE = 15V, IB = 0 VEB = 14V, IC = 0 IC = 10µA, IE = 0 IC = 1mA, IB = 0 VCE = 10V, IC = 150mA* IC = 100mA, IB = 5mA* 0.7 1 0.021 *Pulse measurement 20 60 20 50 800 2100 0.4 1.3 V kΩ min typ max 1 10 0.5 Unit µA µA mA V
Collector to emitter
voltage
4.1±0.2
q
2.4±0.2 2.0±0.2
q
High forward current transfer ratio hFE. M type mold package. Costs can be reduced through downsizing of the equipment and reduction of the number of parts.
R 0. 7
4.5±0.1
s...