Power Transistors
1
Publication date: December 2002 SJD00294AED
2SA2075
Silicon PNP epitaxial planar type
Power supply for Audio & Visual equipments
such as TVs and VCRs
Industrial equipments such as DC-DC converters
■ Features
• High-speed switching (t
stg
: storage time/t
f
: fall time is short)
• Low collector-emitter saturation voltage V
CE(sat)
• Superior forward current transfer ratio h
FE
linearity
• Allowing supply with the radial taping (MT-4)
■ Absolute Maximum Ratings T
C
= 25°C
■ Electrical Characteristics T
C
= 25°C ± 3°C
10.0±0.2
0.65±0.1
0.35±0.1
2.5±0.2
123
0.65±0.1
1.2±0.1
1.48±0.2
2.25±0.2
C 1.0
0.55±0.1
0.55±0.1
2.5±0.2
1.05±0.1
13.0
±
0.2
4.2
±
0.2
18.0
±
0.5
Solder Dip
5.0±0.1
2.5
±
0.1
90˚
1.0±0.2
Unit: mm
Parameter Symbol Conditions Min Typ Max Unit
Collector-emitter voltage (Base open) V
CEO
I
C
= −10 mA, I
B
= 0 −80 V
Collector-base cutoff current (Emitter open) I
CBO
V
CB
= −80 V, I
E
= 0 −100 µA
Collector-emitter cutoff current (Base open) I
CEO
V
CE
= −80 V, I
B
= 0 −100 µA
Forward current transfer ratio h
FE1
V
CE
= −4 V, I
C
= −1 A 80 250 
h
FE2
V
CE
= −4 V, I
C
= −3 A 30
Collector-emitter saturation voltage V
CE(sat)
I
C
= −3 A, I
B
= −375 mA −1.0 V
Transition frequency f
T
V
CE
= 10 V, I
C
= − 0.1 A, f = 10 MHz 100 MHz
Turn-on time t
on
I
C
= −1 A, Resistance loaded 0.2 µs
Storage time t
stg
I
B1
= − 0.1 A, I
B2
= 0.1 A 0.7 µs
Fall time t
f
V
CC
= −50 V 0.1 µs
Internal Connection
B
C
E
Marking Symbol: A2075
1: Base
2: Collector
3: Emitter
MT-4-A1 Package
Parameter Symbol Rating Unit
Collector-base voltage (Emitter open) V
CBO
−80 V
Collector-emitter voltage (Base open) V
CEO
−80 V
Emitter-base voltage (Collector open) V
EBO
−6V
Collector current I
C
−3A
Peak collector current I
CP
−5A
Collector power
T
C
= 25°CP
C
15 W
dissipation
T
a
= 25°C 2.0
Junction temperature T
j
150 °C
Storage temperature T
stg
−55 to +150 °C
Note) Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7030 measuring methods for transistors.